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RomanTTTT&o˜à P[’'C&P+˜à `*Times New RomanTTTTôÓe˜à P[’'CôP'ô\  `*Times New RomanTTTT Ôaô\  PŽÂC P.˜ÔX 2Times New RomanBoldTT&w˜ÔX pâTóC&-z Ü @Times New RomanBold ItalicTT&vz Ü xâ®C&˜.˜ÔX 2Times New RomanBoldTTicTTŠ_˜ÔX pâTóCŠ0ä2¼A`ArialTTomanBoldTTicTT|Mä2¼P±³kCP2ä2AArialBoldTTBoldTTicTTX:xä2p±}wCX2ä2AArialBoldTTBoldTTicTT ø ä2p±}wC 0ä2¼A`ArialTTTTBoldTTicTTôÛ`ä2¼P±³kCôP*Ͼ¦ `CG TimesTTBoldTTicTTXXwϾ¦ PìE37ûXPô\  `*Times New RomanTTTTicTTôôCô\  PŽ6QôPô\  `*Times New RomanTTTTicTT››Wô\  PŽ6Q›P,xÐðA`UniversmanTTTTicTT  ¨xÐðP£7û P d($¡¡flexibilities [ D\ ] D^ _ ` Da b c Dd HWì&%ô\  `$Times NewRoman313Ý ƒ¹!ÝÝ  ÝÔ_ÔÓo[°X°` ¸ hÀpÈ xÐ (#€%Ø'0*ˆ,à.813è5@8˜:ð<H? A°œXoÓÔ€–Xd¬XXXÔÑаÑÑ  ÑÑ€¥ùÑà  àÔ‡¡XEXX–Xd¬ÔÔ‡¡ô*‹õX¡XEÔà ` àà ¸ àDISCLAIMERÔ#†¡XEXõ¡ô*‹#Ô:€Ô#†–Xd¬XX¡XEð#ÔÔ‡¡XEXX–Xd¬ÔÔ‡¡"X¡XEÔThe€following€Question€and€Answer€(Q&A)€document€was€developed€from€sessions€thatÐ ° Ðwere€conducted€during€two€workshops€on€the€national€emission€standards€for€hazardous€air€pollutants€(Ô_ÔNESHAPÔ_Ô),€for€petroleum€refineries,€heldÏby€the€American€Petroleum€Institute€(API)€on€October€23€and€24,€1995€in€Orlando,€Florida,€July€11€and€12,€1996€in€Houston,€Texas.Ô#†–ÃÔ¡"˜#ÔÔ‡¡"–ÃÔÔ€Ô#†–ÃÔ¡"#ÔÔ‡¡"–ÃÔÔ€€AnswersÐ :Š Ðwere€provided€by€industry€and€Environmental€Protection€Agency€(EPA)€representatives.Ô#†–ÃÔ¡"Ð#ÔÔ‡¡"–ÃÔÔ€€Ô#†–ÃÔ¡"„#ÔÔ‡¡"–ÃÔÔNote:€Ô#†–ÃÔ¡"È#ÔÔ‡¡"–ÃÔÔAdditional€questions€and€answers€Ô#†–ÃÔ¡"#ÔÔ‡¡"–ÃÔÔmay€be€addedÐ Ø( Ðto€this€document€as€more€questions€regarding€the€refinery€Ô_ÔNESHAPÔ_Ô€are€answered.Ô#†–ÃÔ¡"s#ÔÔ‡¡"–ÃÔÔÐ vÆ ÐÌà  à€Although,€EPA€staff€have€reviewed€this€Q&€A€document€these€views€have€not€undergone€any€formal€EPA€review.€€The€EPAÏrecommends€that€you€consult€your€State€or€local€air€pollution€control€agency€for€any€final€determinations.€€State€and€local€agencies€mayÏimplement€provisions€that€are€more€stringent€than€those€contained€in€the€Ô_ÔNESHAPÔ_Ô.Ô#†–ÃÔ¡"D#ÔÔ‡¿üG–ÃÔÔ€Ô#†–ÃÔ¿üG#ÔÔ‡¡"–ÃÔÔÐ î > ÐÌà  àThis€document€is€not€intended,€nor€can€it€be€relied€on,€to€create€any€rights€enforceable€by€any€party€in€litigation€with€the€UnitedÏStates.€€EPA€and€State€officials€may€decide€to€follow€the€information€provided€in€this€document,€or€to€act€at€variance€with€the€information,€basedÏon€an€analysis€of€specific€site€circumstances.€€These€questions€and€answers€may€be€revised€without€public€notice.€€€Ô#†¡XEX¡"·#ÔÔ#†–Xd¬XX¡XEY#ÔÐ t Ä  ÐÌÓ  ÓÔ€°XEXX–Xd¬Ôò òÔ‡° û!X°XEÔQuestions€and€Answers€For€TheÐ R  Ðà@@» » /ìàRefinery€Ô_ÔMACTÔ_Ô€I€Rule€Ô#†°XEX!° û¯ #Ôó ó(11/20/98)Ð >Ž  ÐÌÔ‡°°ª+ °X°XEÔÓ  ÓÓ  ÓContentsÔ#†°XEX °°°ª+ #ÔÐ f¶  ÐÓ¸ ÓÌòòà  àà ` àSectionà€RR^(#àBegins€on€PageóóˆÐ $t ÐÌÓo[°X°Š` ¸ hÀpÈ xÐ (#€%Ø'0*ˆ,à.813è5@8˜:ð<H? A°œXoÓà Š àà ` àApplicability€and€Compliance€Datesà‚Ä"Ä"k(#.¼¼>à2ˆÐ üL ÐÌà Š àà ` àStorage€Tanksà‚`"`"j(#.Ú Ú )à11ˆÐ Ô$ ÐÌà Š àà ` àProcess€Vent€Controlsà‚`"`"j(#.\\1à17ˆÐ ¬ü ÐÌà Š àà ` àLeak€Detection€and€Repairà‚`"`"j(#.¼¼5à24ˆÐ „Ô ÐÌÌà Š àà ` àWastewater€Provisionsà‚`"`"j(#.ŽŽ1à36ˆÐ H˜ ÐÌà Š àà ` àEmissions€Averagingà‚`"`"j(#./à38ˆÐ  p  ÐÌà Š àà ` àInteraction€With€Other€Rulesà‚`"`"j(#.rr8à43ˆÐ ø!H" ÐÌà Š àà ` àGeneral€Provisionsà‚`"`"j(#.VV.à47ˆÐ Ð# $ ÐÌà Š àà ` àMonitoring€and€Inspectionsà‚`"`"j(#.üü6à51ˆÐ ¨%ø & ÐÌà Š àà ` àProcess€Samplingà‚`"`"j(#.òò,àñ[ ñ65ñ[ ññ\ ñ55ñ\ ñˆÐ €'Ð"( ÐÌ€€€€à ` àÔ_ÔRecordkeepingÔ_Ôà‚`"`"j(#.)àñ] ñ66ñ] ññ^ ñ56ñ^ ñˆÐ X)¨$* ÐÌ€€€€à ` àReporting€and€Notificationsà‚`"`"j(#.7àñ_ ñ59ñ_ ññ_ ñ7ñ_ ññ` ñ0ñ` ñˆÐ 0+€&, ÐÌ€€€€à ` àMiscellaneousà‚`"`"j(#.â â )àñb ñ65ñb ñña ñ77ña ñˆÐ -X(. ÐÌà Š àà ` àList€of€Acronyms€and€Regulations€Referred€to€in€this€Document..................€.......€ñc ñ83ñc ññd ñ70ñd ñÌà Š àà ` àà ¸ àÐ Ì/+1 ÐÑ¥ùÑâ ¥âÑ8€`XXdÈXXdÈ8Ñâ ¥âÑ  Ñà@$ $ ,ìàAPPLICABILITY€AND€COMPLIANCE€DATESˆÐ ° ÐÌ1.€€òòQuestionóó:€€Does€ðð63.640(d)(4)€in€the€final€Refinery€Ô_ÔMACTÔ_Ô€Rule€exempt€all€of€the€vents€in€theÐ ˆØ Ðcatalytic€cracking€unit,€the€catalytic€reformer€unit,€and€the€sulfur€plant?€€Ìà Š àòòÌAnsweróó:€€Although€one€could€conclude€that€this€exemption€applies€to€all€of€the€vents€in€the€sulfurÐ L œ Ðrecovery€plant,€the€intent€of€the€rule€was€to€exempt€only€the€òòtail€gas€ventóó€on€the€sulfur€recovery€plant,Ð 8 ˆ Ðand€the€regeneration€vents€in€the€catalytic€reformer€and€Ô_ÔcatcrackerÔ_Ô€units.Ìà Š àÌ2.€€òòQuestionóó:€€What€date€is€used€to€determine€if€a€unit€is€an€existing€source€or€a€new€source?€€€€Ð ü L  Ðà Š àòòÌAnsweróó:€€The€deciding€date€is€the€proposal€date€of€the€Refinery€Ô_ÔMACTÔ_Ô€Rule€(July€14,€1994).€Ð Ô$  ÐConstruction€that€began€after€that€date€is€considered€a€new€source€and€those€sources€would€be€subjectÏto€the€new€source€provisions,€provided€the€new€source€potentially€emits€more€than€10€tons€per€yearÏof€a€specific€HAP€or€25€tons€per€year€of€total€HAP.ÌÌFor€the€Refinery€Ô_ÔMACTÔ_Ô,€it€is€going€to€be€difficult€for€anybody€to€meet€the€definition€of€reconstructedÏsource.€€In€the€Ô_ÔMACTÔ_Ô€Rule,€the€affected€source€is€the€whole€refinery.€€ÌÔ‡¿Xo… XX°XEÔThe€EPA€did€not€envision€that€a€reconstructed€source€would€ever€occur€under€the€Refinery€Ô_ÔMACTÔ_ÔÐ H˜ Ðrule,€given€the€breadth€of€the€definition€for€affected€"source."€€Ô#†°XEX X¿Xo…3#ÔIn€order€to€meet€a€reconstructedÐ 8ˆ Ðdefinition,€the€reconstruction€cost€would€have€to€exceed€50percent€of€the€cost€of€a€new€refinery.€€IfÏyou€are€building€a€new€process€unit€and€that€process€unit€in€and€of€itself€has€annual€potentialÏemissions€of€10€tons€of€any€one€HAP€or€25€tons€of€a€combination€of€HAP.€€Such€an€unit€is€a€newÏsource.€€Simply€installing€a€new€tank€at€a€refinery€would€not€trigger€the€new€source€Ô_ÔMACTÔ_ÔÏdefinition.€€ÌÌ3.€€òòQuestionóó:€€Does€a€brand€new€process€unit€have€to€be€measured€by€itself?€Ð À Ѐà Š àòòÐ ¬ü ÐAnsweróó:€€Yes,€if€the€process€unit€emits€only€15€tons€of€a€combination€of€HAP's€per€year,€and€noÐ ˜è Ðsingle€HAP€emissions€are€10Ô_ÔtpyÔ_Ô€or€more,€the€unit€is€not€a€new€source€and€therefore,€is€subject€toÏexisting€source€Ô_ÔMACTÔ_Ô,€not€new€source€Ô_ÔMACTÔ_Ô€requirements.Ìà Š àà ` àà ¸ àÌ4.€€òòQuestionóó:€€What€if€an€existing€unit€is€modified€in€a€way€that€causes€the€unit€to€have€HAPÐ H"˜  Ðemissions€greater€than€25€tons€per€year?Ìà Š àòòÌAnsweróó:€€It€does€not€make€any€difference€because€it€is€the€refinery€as€a€whole€that€is€the€affectedÐ  %\ # Ðsource„„and€that€unit€would€have€been€subject€to€existing€source€Ô_ÔMACTÔ_Ô€requirements€already.€€ItÏdepends€on€what€you€mean€when€you€say€youððve€"modified"€the€process€unit.€€If€what€you€mean€isÏyou€are€doing€something€that€is€within€the€original€design,€it€probably€does€not€trip€anything.€€If€youÏgo€in€and€retool€it€in€some€manner„„you€change€a€catalyst„„then€it€is€still€subject€to€the€requirementsÏfor€existing€sources.€€You€in€essence€look€at€how€you€have€changed€what€has€to€be€controlled,€butÏit€never€causes€it€to€become€a€new€source.€€And€if€what€you€did€instead€was€add€a€bunch€ofÏequipment,€it€would€probably€be€something€you€would€have€to€consult€about€with€your€attorneys.ÌWhen€we€drafted€these€sections€and€a€lot€of€the€provisions€under€refinery€applicability,€we€wereÏdeliberately€trying€to€avoid€getting€a€lot€of€stuff€under€the€new€source€Ô_ÔMACTÔ_Ô€requirements.€€We€triedÏto€consider€the€normal€types€of€changes€that€go€on€at€facilities.€€We€did€not€want€that€to€creepÐ D.”)- Ðsomebody€into€new€source€because€the€definition€of€source€is€so€broad.€€If€that€happened,€the€wholeÏsite€would€have€to€meet€the€new€source€standard€and€that€would€have€a€very€severe€impact.Ìà Š àÌ5.€€òòQuestionóó:€€This€is€a€question€about€an€addition€after€July€14,€1994€of€a€carbon€adsorption€unit€atÐ tÄ Ða€truck€loading€rack€(part€of€SIC€code€2911)€in€addition€to€another€(refrigeration)€control€unit.€€DoÏwe€have€until€August€18,€1998€(compliance€date€for€existing€sources)€to€comply€or€upon€initialÏstartup€(compliance€date€for€new€sources)?€€€€Ìà Š àòòÌAnsweróó:€€I€believe€that€the€compliance€date€would€be€August€18,€1998.€€First,€adding€a€carbonÐ  ` Ðadsorption€unit€would€be€considered€an€add„on€control€device€and€not€a€new€process€unit.€€As€aÏresult,€the€equipment€that€serves€the€tank€truck€loading€operation€is€ð ðexistingðð€and€has€until€AugustÏ18,€1998€to€comply.€€Ìà Š àà ` àÌ6.€€òòQuestionóó:€€This€question€has€to€do€with€tanks€and€gathering€lines€in€a€crude€oil€field€with€the€lineÐ ¬ü  Ðgoing€to€a€refinery.€€Do€the€tanks€and€gathering€lines€come€under€Refinery€Ô_ÔMACTÔ_Ô?€€€€Ìà Š àòòÌAnsweróó:€€I€do€not€believe€they€do€because€they€are€not€facilities€classified€under€SIC2911.€Ð pÀ Ðà Š àÌ7.€€òòQuestionóó:€€Was€there€a€new€definition€for€"equipment"€in€the€òòFederal€Registeróó€correction€noticeÐ H˜ Ðdated€June€12,€1996?€€€€Ìà Š àòòÌAnsweróó:€€Yes,€under€ðð63.640(d)(3),€the€word€"equipment"€was€changed€to€"pump,€compressor,Ð  \ Ðpressure€relief€device,€sampling€connection€system,€open„ended€valve€or€line,€valve,€orÏinstrumentation€system."Ìà Š àÌ8.€€òòQuestionóó:€€Does€potential€to€emit€(Ô_ÔPTEÔ_Ô)€include€controls?€€€€Ð ¼  ÐÌòòAnsweróó:€€EPA's€general€provisions€for€Ô_ÔMACTÔ_Ô€rules€(40Ô_ÔCFRÔ_Ôpart€63,€subpartA)€require€that€onlyÐ ”ä Ðfederally„enforceable€controls€be€included€in€calculations€for€determining€major€source€status.€€InÏlitigation,€the€court€ruled€that€EPA€did€not€adequately€support€the€decision€not€to€credit€State€or€localÏcontrols€that€are€not€federally€enforceable€from€Ô_ÔPTEÔ_Ô.€€EPA€is€in€the€process€of€deciding€whether€toÏchange€the€rule,€but€it€remains€in€effect.€€However,€on€January€25,€1995,€the€EPA€issued€a€transitionÏpolicy€memo€stating€that€for€the€period€through€January€1997€effective€State„permitted€controls€areÏconsidered€as€effective€limitations€on€your€Ô_ÔPTEÔ_Ô.€€(Note:€€On€August27,€1996,€the€EPA€extended€theÏtransition€period€to€July€31,€1998.)ÌÌThere€are€also€some€additional€provisions€within€the€transition€policy€memo€that€distinguish€betweenÏsources€above€or€below€50€percent€of€major€source€status€(i.e.,€above€or€below€5€Ô_ÔtpyÔ_Ô€of€any€one€HAPÏor€12„1/2€Ô_ÔtpyÔ_Ô€of€a€combination€of€HAP.€€Now,€of€course,€for€Refinery€Ô_ÔMACTÔ_Ô€this€is€almost€a€non„¼issue,€because€we€probably€are€considering€that€most€refineries€are€major€sources€of€HAP€emissions.€ÏSo€it€is€really€an€issue€for€other€Ô_ÔMACTÔ_Ô€rules,€although€there€may€be€a€few€refineries€below€the€cutoffÏfor€potential€to€emit.Ìà Š àÌ9.€€òòQuestionóó:€€If€at€some€point€in€time€a€unit€is€shut€down,€and€then€brought€back€on„line€severalÐ T,¤'+ Ðyears€later,€would€the€unit€be€considered€a€new€Ô_ÔMACTÔ_Ô€source€when€it€was€brought€back€on„line,€orÏwould€it€still€be€an€existing€Ô_ÔMACTÔ_Ô€source?€€Ð ,.|)- Ðñ/ ñà Š àñ/ ñòòñ/ ñÌñ/ ñAnsweróó:€€Given€the€definition€of€new€source€in€the€Ô_ÔMACTÔ_Ô€Rule,€as€well€as€the€definitions€in€theÐ ° ÐGeneral€Provisions,€if€you€have€not€performed€any€construction€in€bringing€it€back€on„line,€I€do€notÏthink€it€would€be€a€new€source.€€This€situation€would€need€to€be€researched€by€legal€counsel€beforeÏyou€rely€on€this,€but€the€definitions€generally€require€some€construction€activity€in€order€to€beÏconsidered€subject€to€the€new€source€definition.Ì€€€€€€€€€€€€€€€€€€€€€ÌOf€€course,€those€"reconstruction"€definitions€go€back€to€the€Ô_ÔNSPSÔ_Ô€definitions.€The€reconstructionÏmust€exceed€50€percent€of€the€cost€required€to€build€a€new€affected€facility,€which€under€the€Ô_ÔMACTÔ_ÔÏRule€implies€a€whole€new€refinery€unless€you€are€building€a€new€process€unit€that€by€itself€has€HAPÏemissions€of€greater€than€10€or€25€tons€per€year.Ìà Š àÌ10.€€òòQuestionóó:€€Regarding€unit€shutdown,€if€that€unit€has€been€used€for€netting€or€anything,€does€itÐ Ô$  Ðmake€any€difference?€€When€I€shut€down€that€source,€I€used€the€emission€credit€to€net€out€of€aÏprevention€of€significant€deterioration€(Ô_ÔPSDÔ_Ô)€or€new€source€review,€and€now€I€am€not€going€toÏconstruct€a€new€unit,€but€I€am€going€to€restart€that€unit.€€Under€the€Ô_ÔMACTÔ_Ô€Rule,€how€you€are€goingÏto€view€that€activity?€€Ìà Š àòòÌAnsweróó:€€The€question€is€that€if€he€has€used€the€process€unit€shutdown€to€net€out€of€a€Ô_ÔPSDÔ_Ô€review,Ð \¬ Ðhow€does€that€affect€the€determination?€€Is€it€a€new€source?€€As€far€as€the€way€the€rules€are€writtenÏin€Part€63„„the€General€Provisions€definitions€and€the€Subpart€CC€language„„the€unit€is€not€a€newÏsource.€€However,€you€may€have€a€problem€under€Ô_ÔPSDÔ_Ô€review.€€But€that€is€separate€and€distinct€fromÏthe€Refinery€Ô_ÔMACTÔ_Ô.€€Ìà Š àÌ11.€€òòQuestionóó:€€If€a€unit€is€modified€or€new€and€is€subject€to€a€Ô_ÔNESHAPÔ_Ô€or€the€Ô_ÔSOCMIÔ_Ô€HON€Rule,Ð ä4 Ðdoes€the€Refinery€Ô_ÔMACTÔ_Ô€Rule€apply€to€the€unit?€ÌÌòòAnsweróó:€€If€you€have€a€unit€that€is€subject€to€the€HON,€it€is€explicitly€stated€in€the€Refinery€Rule€thatÐ ¨ø Ðyou€are€not€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€standard€[ðð63.640(g)(7)].€€What€we€were€trying€to€do€inÏthe€applicability€sections€of€both€of€those€rules€is€make€it€very€clear€that€you€would€fall€under€eitherÏof€those€rules,€but€not€both.ÌÌWhat€we€have€done€with€a€lot€of€the€source€categories€that€are€being€addressed€under€the€currentÏÔ_ÔMACTÔ_Ô€program€is€we€have€tried€to€delineate€them€distinctly.€€In€other€words,€you€cannot€be€bothÏa€refinery€and€a€Ô_ÔSOCMIÔ_Ô€unit.€€I€do€not€mean€the€plant€site,€but€the€same€distillation€column,€forÏexample,€cannot€be€called€both.€€We€explicitly€exclude€HON€units€from€applicability€in€the€RefineryÏÔ_ÔMACTÔ_Ô€Rule,€and€exclude€refinery€units€from€applicability€in€the€HON.€€ÌÌIt€is€possible€that€something€could€be€subject€to€an€old€Ô_ÔNESHAPÔ_Ô,€such€as€benzene€storage€(40€Ô_ÔCFRÔ_ÔÏ61,€Subpart€Y),€and€still€be€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€standard.€€That€is€what€we€dealt€with€inÏthose€overlap€provisions.€€Because€of€differences€in€applicability€criteria€and€requirements,€you€needÏto€be€careful.€€But€you€can€have€an€old€Part€61€Ô_ÔNESHAPÔ_Ô€applying€and€we€have€tried€to€accommodateÏthat€in€some€way€so€that€you€do€not€have€the€overlapping€or€conflicting€requirements.€€ÌThe€modification€concept€does€not€really€change€among€the€different€rule€types.€€You€are€still€anÏexisting€source€under€Part€63.€€Now,€this€unit€could€be€a€new€source€modified€unit€and€have€someÏapplicability,€but€again€the€overlap€sections€of€the€Rule€try€to€address€that.€€We€will€not€claimÏperfection€if€there€is€a€problem.€€What€you€need€to€do€is€contact€the€Agency€and€we€will€see€whetherÐ ,.|)- Ðor€not€the€Rule€needs€some€clarification.€€As€many€of€you€may€be€aware,€we€have€being€doing€aÏseries€of€notices€on€the€HON€to€clarify€things.€€And€if€we€have€similar€problems€here,€we€can€makeÏcorrections€to€the€Rule€text€if€it€is€appropriate.ÌÌWe€need€to€differentiate€between€what€happens€to€the€unit€when€you€have€had€a€modification€or€aÏprocess€change€versus€what€happens€to€an€emission€point€within€that€unit.€€So€an€individual€storageÏtank€may€be€an€emission€point€within€a€particular€process€unit.€€A€modification€to€that€tank€wouldÏnot€make€the€unit€a€new€Ô_ÔMACTÔ_Ô€source,€but€it€could€trigger€changes€in€the€individual€emission€point.€ÏThat€is€what€we€meant€when€we€said€to€check€whether€the€new€source€performance€standards€for€thatÏemission€point€can€be€triggered€by€a€modification.€€However,€it€would€still€not€be€subject€to€newÏsource€Ô_ÔMACTÔ_Ô.€€There€is€a€provision€ðð63.640(l)€explaining€that€if€a€Group€2€emission€point€becomesÏa€Group€1€emission€point€by€a€process€change,€it€is€still€an€existing€unit,€but€the€emission€point€thatÏwas€formerly€exempt€would€now€be€subject€to€the€existing€source€requirements.ÌÌAn€example€would€be€a€storage€tank€that€had€been€storing€an€exempt€material.€€The€tank's€contentsÏdid€not€contain€HAP€and€had€a€vapor€pressure€below€1.5€psi,€but€now€you€have€decided€you€areÏgoing€to€put€gasoline€in€it.€€The€tank€is€at€the€refinery€associated€with€an€affected€unit,€due€to€itsÏreceiving€product€from€a€unit€that€produces€gasoline.€€The€gasoline€has€a€vapor€pressure€above€theÏcutoff€and€it€contains€HAP.€€So€now€an€operational€change€has€caused€that€Group€2€point€emissionÏpoint€to€be€a€Group€1€emission€point.€€Whereas€it€was€exempt€before,€it€is€now€subject€to€the€controlsÏfor€existing€sources.ÌÌThat€has€not€changed€the€applicability€of€whether€you€have€had€some€modification€or€processÏchange.€€It€has€not€affected€whether€the€unit€is€subject€to€new€or€existing€source€requirements.€€TheÏunit€is€still€subject€to€existing€source€requirements.€€But€that€tank€is€now€pulled€into€the€existingÏÔ_ÔMACTÔ_Ô€source€requirements€because€of€a€process€change€that€you€made€that€brought€it€to€Group€1Ïstatus.€€And€it€further€explains€that€if€a€storage€tank€was€out€of€Group€1€service€for€a€while€and€thenÏit€is€brought€back€into€Group€1€service„„and€this€is€referenced€back€in€the€HON€ðð63.120„„it€gives€youÏ90€days€to€do€an€inspection€to€verify€that€it€complies€with€the€Group€1€service€you€have€brought€theÏstorage€tank€back€into.Ìà Š àÌ12.€€òòQuestionóó:€€If€you€have€a€marine€loading€operation€that€is€contiguous€with€a€refinery,€but€theÐ D!” Ðloading€facility€is€under€the€10/25€Ô_ÔtpyÔ_Ô€cutoffs,€is€it€covered€by€Refinery€Ô_ÔMACTÔ_Ô?€€Ìà Š àòòÌAnsweróó:€€The€answer€is€both€ð ðyesðð€and€ð ðno."Ð $X" ÐÌà Š àYes,€it€is€covered€because€the€10/25€Ô_ÔtpyÔ_Ô€cutoffs€are€in€the€Clean€Air€Act.€€It€applies€to€an€entireÏcontiguous€facility,€and€includes€a€refinery€and€also€other€things€like€marine€loading€operations€orÏperhaps€an€adjacent€petrochemical€complex.€€But€within€the€Marine€Tank€Vessel€Ô_ÔMACTÔ_Ô€Rule€(40ÏÔ_ÔCFRÔ_Ô€63,€Subpart€Y)€are€applicability€criteria€that€exempt€things€that€fall€under€the€10/25€tpy€cutoff.€ÏSo,€from€this€standpoint,€the€answer€is€ð ðno.ðð€€If€you€have€a€marine€terminal€there€that€emits€less€thanÏ10/25€tpy,€you€do€not€have€to€worry€about€it.€€But€you€can€control€it€if€you€want€to€help€out€theÏrefinery€under€the€emissions€averaging€provisions.€€ÌÌà Š àAgain,€the€ð ðnoðð€part€of€the€answer€pertains€to€the€marine€loading€requirements.€€You€do€not€underÏthat€rule€have€to€apply€controls€unless€the€loading€area€is€major€in€and€of€itself.€€Without€explaining,Ð ,.|)- Ðthere€is€general€applicability€of€the€sites€to€MACT€standards.€€That€is€within€the€statute.€€But€withinÏthe€rule€we€have€some€cutoffs€that€define€which€things€have€to€be€controlled€and€that€is€where€theÏð ðnoðð€answer€arises.€€Ìà Š àà ` àÌ13.€€òòQuestionóó:€€If€fuel€loading€docks€are€not€contiguous€with€a€refinery,€what€is€the€compliance€date?€Ð `° Ѐ€ÌòòAnsweróó:€€First€of€all,€you€would€have€to€check€the€applicability€provisions€of€the€Marine€Tank€VesselÐ 8 ˆ ÐMACT€Rule€for€a€stand„alone€marine€facility€or€a€marine€facility€in€conjunction€with€a€gasolineÏmarketing€terminal,€because€that€rule€has€specific€applicability€criteria€and€dates€associated€with€it.€ÏIt€is€both€a€RACT€rule€and€a€MACT€rule.€The€compliance€dates€for€RACT€are€3€years€from€theÏpromulgation€of€the€final€rule,€so€that€would€be€September€1998.€€The€MACT€Rule€allows€4€years,Ïwhich€is€September€1999.€€Ìà Š àÌ14.€€òòQuestionóó:€€For€a€loading€rack€at€a€gasoline€distribution€facility,€is€the€compliance€date€DecemberÐ ¬ü  Ð1997€or€is€it€August€1998?€€€€Ìà Š àòòÌAnsweróó:€€If€the€loading€rack€is€contiguous€with€the€refinery€and€under€common€control,€it€wouldÐ pÀ Ðhave€the€SIC€code€2911.€€Then€the€compliance€date€for€the€rack€is€August€18,€1998.€€If€you€are€anÏindependent€loading€facility€(i.e.,€a€stand„alone€bulk€gasoline€terminal)€under€the€GasolineÏDistribution€(Stage€I)€MACT€Rule€(40€CFR€63,€Subpart€R),€then€you€would€be€under€the€1997Ïcompliance€date.Ìà Š àÌ15.€€òòQuestionóó:€€Does€the€fuel€gas€exemption€apply€to€process€units€that€are€subject€to€new€sourceÐ øH Ðperformance€standard€Subpart€GGG,€Equipment€Leaks€of€VOC€in€Petroleum€Refineries?€€€€¼à Š àÌòòAnsweróó:€€The€EPA€modified€Subpart€VV€and€the€Subpart€GGG€cross„references€to€Subpart€VV.€Ð ¼  ÐMany€years€ago€when€the€EPA€prepared€the€equipment€leak€rules,€they€had€one€generic€equipmentÏleak€rule,€Subpart€VV.€€All€Subpart€GGG€really€did€was€define€the€affected€facilities€and€make€someÏunique€definitions€for€refineries.€€Then€the€rule€pointed€you€back€to€Subpart€VV€for€the€requirement.ÌÌUnfortunately,€we€did€not€modify€40€CFR€61,€Subpart€J,€the€benzene€equipment€leaks€rule.€€TheÏEPA€would€like€to€get€all€the€equipment€leak€rules€pulled€together€to€a€common€set€of€provisionsÏto€reduce€some€of€the€complexity,€but€has€not€had€the€resources€to€do€this.Ìà Š àÌ16.€€òòQuestionóó:€€Would€crude€tanks€and€final€product€blend€tanks€that€are€separated€from€the€processÐ $X" Ðunit€by€being€the€next€step€in€blending€be€regulated€under€Refinery€MACT?€€€€Ìà Š àòòÌAnsweróó:€€It€would€be€difficult€to€argue€that€a€crude€tank€is€not€feeding€a€unit€of€the€refinery€or€thatÐ Ì&"% Ða€product€tank€is€not€receiving€from€a€refinery€unit.€€So€I€do€not€think€that€you€would€be€able€to€argueÏthat€they€are€somehow€separated.€€If€they€are€contiguous€and€under€common€control,€they€are€subjectÏto€the€Refinery€MACT€Rule.€à  àÐ )à$( ÐÌ17.€€òòQuestionóó:€€There€is€a€loading€rack€at€a€refinery,€and€there€are€no€storage€tanks€associated€withÐ h+¸&* Ðit.€€Would€the€rack€have€to€comply€with€the€Refinery€MACT€Rule?€€€Ìâ âà Š àòòÐ @-(, ÐAnsweróó:€€The€answer€is€"yes,"€provided€the€rack€is€under€SIC€code€2911,€it€loads€more€gasoline€thanÐ ° Ðâ âthe€applicability€cutoff,€and€its€emissions€are€greater€than€the€applicability€cutoff.€€So€if€the€loadingÏrack€is€not€under€SIC€code€2911,€you€need€to€see€whether€the€applicability€cutoffs€are€achieved.Ìà Š àÌ18.€€òòQuestionóó:€€Can€compliance€plans€for€existing€MACT€requirements€be€as€simple€as€indicatingÐ `° Ðthat€the€compliance€date€for€sources€will€be€met?€€€€Ìà Š àòòÌAnsweróó:€€I€think€that€in€general€the€answer€is€that€compliance€plans€can€be€as€simple€as€that;Ð $ t Ðhowever,€you€want€to€consider€the€fact€that€if€there€are€possibilities€where€you€want€to€ask€for€anÏextension,€there€are€times€that€requirements€have€to€be€met€prior€to€asking€for€that€date.€€OtherÏsituations€may€occur€where€your€compliance€plans€impact€other€rules€where€you€may€want€to€be€aÏlittle€bit€more€specific€than€that€so€that€there€are€no€surprises€for€either€you€or€the€agency€as€theÏcompliance€date€approaches.€€ÌÌAlso,€if€you€have€several€options€or€flexibilities€given€to€you€on€how€to€comply,€you€might€eitherÏmake€the€selection€in€your€Title€V€permit€ahead€of€time€or€indicate€that€those€options€are€availableÏand€you€will€make€your€selection€with€the€compliance€demonstration.€€You€should€make€clear€howÏyou€plan€to€demonstrate€compliance.Ìà Š àÌ19.€€òòQuestionóó:€€How€do€you€calculate€the€cost€basis€to€determine€whether€you€have€triggeredÐ 4„ Ðreconstruction€under€NSPS€and€also€under€Refinery€MACT?€€€€Ìà Š àòòÌAnsweróó:€€As€under€the€NSPS€rules,€you€look€at€what€is€defined€as€the€affected€facility.€€And€then€youÐ øH Ðhave€to€determine€what€the€replacement€cost€of€that€facility€would€be.€€If€you€have€expended€moreÏthan€50€percent€of€the€capital€cost€to€replace€that€affected€facility,€then€it€is€consideredÏ"reconstructed."€€It€can€be€complicated€depending€on€where€you€are.€€Let€us€just€say€you€have€spentÏmore€than€50€percent€of€the€cost€of€a€new€FCCU.€€Then€it€would€be€considered€a€reconstructedÏFCCU€and€subject€to€Subpart€J€of€Part€60€(NSPS).€€However,€for€Refinery€MACT€you€would€haveÏto€exceed€50€percent€of€the€replacement€cost€of€all€the€process€operations€at€your€refinery€site,€sinceÏthe€affected€facility€is€the€entire€refinery€facility.€€So€the€typical€refinery€would€have€to€basicallyÏrebuild€the€facility€before€they€would€trigger€reconstruction.ÌÌSo€I€think€it€is€very€unlikely,€unless€you€are€a€tiny€facility€that€you€would€ever€trigger€reconstructionÏunder€the€Refinery€MACT€standard.€€But€under€NSPS,€the€definition€of€the€affected€facility€is€muchÏsmaller€and€it€is€much€more€likely€you€would€have€a€reconstructed€affected€facility.Ìà Š àÌ20.€€òòQuestionóó:€€Is€the€compliance€date€for€submitting€startup,€shutdown,€and€malfunction€plansÐ à%0!$ Ð(SSMP's)€March€16,€1997?€€€€ÌÌòòAnsweróó:€€No,€there€is€no€deadline€date€for€submitting€a€plan.€€In€fact,€the€plans€do€not€have€to€beÐ ¤(ô#' Ðsubmitted€for€approval€to€anyone.€€They€are€for€the€facility's€use.€€It€is€required€that€you€have€them,Ïbut€you€do€not€submit€them.€€They€must€be€made€available€for€inspection€in€the€event€that€a€StateÏor€Federal€inspector€requests€to€see€it,€and€they€can€request€that€certain€changes€be€made€if€the€planÏis€found€to€be€deficient.€€But€there€is€no€requirement€to€submit€it€for€approval.Ìâ âÐ @-(, ÐÔ‡¿Xo… XX°XEÔ21.€€òòQuestionóó:€Please€provide€the€reference€(or€additional€details)€on€consolidating€methyl€tert„butylÐ ° Ðâ âether€(MTBE)€units€under€the€Refinery€MACT€rule€instead€of€the€SOCMI€HON€(40€CFR€part€63,ÏSubpart€G).€(Vol.€I,€p.€86)Ìà Š àòòÌAnsweróó:€€If€a€source€has€a€unit€that€is€primarily€a€petroleum€refining€process€unit,€but€produces€someÐ pÀ ÐÔ_ÔMTBEÔ_Ô,€then€the€unit€is€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€rule.€€The€converse€is€also€true.€€If€you€haveÏa€process€unit€that€produces€predominantly€Ô_ÔMTBEÔ_Ô,€then€the€unit€is€subject€to€the€Ô_ÔSOCMIÔ_Ô€HONÏÔ_ÔMACTÔ_Ô.€€€Therefore,€a€source€must€ask€itself€the€following€question,€"What€is€the€predominantÏproduct€produced€by€this€process€unit?"€€If€it€is€a€petroleum€refining€type€product,€then€the€unit€isÏsubject€to€the€Refinery€Ô_ÔMACTÔ_Ô.€€If€it€is€a€Ô_ÔSOCMIÔ_Ô€product€(e.g.,€Ô_ÔMTBEÔ_Ô),€then€the€unit€is€subject€toÏthe€Ô_ÔSOCMIÔ_Ô€HON€Ô_ÔMACTÔ_Ô.€ÌÌPlease€consult€the€Refinery€Ô_ÔMACTÔ_Ô€preamble€in€the€òòFederal€Registeróó,Ð ð@  Ð60€FR€43253€(or€page€14€of€the€handouts€in€the€workbook).€€There€is€a€discussion€in€the€preambleÏregarding€this€subject€under€the€section€entitled€"Overlapping€Regulations."€€As€discussedÏpreviously,€the€primary€product€produced€by€the€process€unit€governs€which€Ô_ÔMACTÔ_Ô€rule€applies.Ì€€Ì22.€€òòQuestionóó:€€Does€the€EPA€have€a€position€on€whether€Ô_ÔMTBEÔ_Ô€plants€which€also€produce€ethylÐ  ð ÐÔ_ÔtertÔ_Ô„butyl€ether€(Ô_ÔETBEÔ_Ô)€are€subject€to€the€Ô_ÔSOCMIÔ_Ô€HON€Ô_ÔMACTÔ_Ô€or€the€Refinery€Ô_ÔMACTÔ_Ô?à Ð àñ0 ñÐ à ÐÌñ0 ñòòAnsweróó:€€Similar€to€the€previous€question,€the€facility€must€ask€itself,€what€is€the€predominantÐ pÀ Ðproduct€produced€by€this€process€unit?€€Units€producing€Ô_ÔMTBEÔ_Ô€(a€HAP)€are€subject€to€the€Ô_ÔSOCMIÔ_ÔÏHON€Ô_ÔMACTÔ_Ô,€but€Ô_ÔETBEÔ_Ô€(a€non„HAP)€is€not€subject€to€any€Ô_ÔMACTÔ_Ô€standard.€€Additional€citationsÏon€this€subject€are€in€the€Refinery€Ô_ÔMACTÔ_Ô€preamble€on€page€43253€in€the€left€column€(seeÏOverlapping€Regulations).€€There€is€also€some€discussion€in€the€background€information€documentÏ(BID).ÌÌ23.€€òòQuestionóó:€€If€a€refinery€has€emissions€under€10€Ô_ÔmegagramsÔ_Ô€(Mg)€of€benzene€per€year€from€itsÐ P Ðwaste€operations€(i.e.,€is€exempt€from€the€Benzene€Waste€Operations€Ô_ÔNESHAPÔ_Ô),€is€the€refineryÏexempt€from€the€Refinery€Ô_ÔMACTÔ_Ô?€ÌÌòòAnsweróó:€€If€a€refinery€is€below€the€benzene€threshold€for€the€Benzene€Waste€Operations€Ô_ÔNESHAPÔ_ÔÐ À! Ð(Ô_ÔBWONÔ_Ô),Ô#†°XEX X¿Xo…ýl#ÔÔ‡¿Xo… XX°XEÔ€it€is€not€required€to€control€its€waste€operations€under€Refinery€Ô_ÔMACTÔ_Ô.€€€The€RefineryÐ °"  ÐÔ_ÔMACTÔ_Ô€standard€applies€to€all€refineries€that€are€or€are€part€of€a€major€source,€as€defined€in€sectionÏ112€of€the€Act.€Ì€€Ì24.€€òòQuestionóó:€€We€have€an€off„site€feed€tank€containing€HAP€that€is€feeding€a€refinery€unit.€€Is€theÐ p&À!$ Ðtank€subject€to€the€Refinery€MACT?€€€Ìà Š àòòÌAnsweróó:€€If€the€tank€is€not€part€of€the€plant€site,€the€tank€may€not€be€subject€to€the€Refinery€MACTÐ @)$' Ðrule€regulating€that€plant€site.€€If€the€tank€is€at€another€refinery,€then€the€tank€may€be€subject€to€theÏRefinery€MACT.€€However,€the€tank€would€not€be€your€concern€since€it€is€not€located€at€yourÏrefinery.€€If€the€tank€is€not€at€a€refinery€but€simply€out€somewhere€standing€alone€(i.e.,€not€part€ofÏa€major€source),€the€tank€may€not€be€subject€to€any€of€the€MACT€standards€that€are€currentlyÏpromulgated.€Ð ð-@), Ї25.€€òòQuestionóó:€€Are€Research€&€Development€(R&D)€units€subject€to€the€Refinery€MACT?€€If€so,Ð ° Ðdoes€this€include€pilot€plants?€€Ìà Š àòòÌAnsweróó:€€Section€63.640(g)(1)€of€the€Refinery€MACT€rule€exempts€R&D€units.€€See€60FR€43266Ð €Ð Ðin€the€Refinery€MACT€(ðð63.641),€where€a€"Research€and€development€facility"€is€defined€asÏ"laboratory€and€pilot€plant€operations€whose€primary€purpose€is€to€conduct€research€andÏdevelopment€into€new€processes€and€products,€where€the€operations€are€under€the€close€supervisionÏof€technically€trained€personnel,€and€is€not€engaged€in€the€manufacture€of€products€for€commercialÏsale,€except€in€a€de€minimis€manner."€€Ìà Š àÌ26.€€òòQuestionóó:€€Please€explain€the€differences€between€the€terms€"Group€1"€and€"Group€2."€€Ð `  Ðà Š àòòÌAnsweróó:€€In€ðð63.641€of€the€Refinery€MACT€rule,€there€are€a€number€of€definitions€for€different€typesÐ ð@  Ðof€"Group€1"€equipment.€€For€example,€to€be€a€"Group€1€storage€vessel,"€the€storage€vessel€mustÏmeet€volume€criteria,€HAP€liquid€concentration€criteria,€and€product€vapor€pressure€criteria.€€StorageÏvessels€that€do€not€meet€"Group€1"€are€categorized€as€"Group€2€storage€vessels."€€This€classificationÏalso€applies€to€loading€racks,€marine€tank€vessels,€miscellaneous€process€vents,€and€wastewaterÏstreams.€€ð ðGroup2"€equipment€is€not€subject€to€the€ruleððs€control€requirements.ÌÌ27.€€òòQuestionóó:€€What€are€the€advantages€and€disadvantages€of€including€a€chemical€manufacturingÐ €Ð Ðprocess€unit€under€the€Refinery€MACT€(instead€of€the€SOCMI€HON€MACT)?€€Ìà Š àòòÌAnsweróó:€€It€is€important€to€note€that€which€MACT€the€chemical€manufacturing€process€unit€isÐ P  Ðsubject€to€is€determined€based€on€the€predominant€product€produced,€not€which€is€moreÏadvantageous€for€the€facility.€€To€answer€the€question,€one€advantage€is€that€maintaining€complianceÏ(monitoring,€recordkeeping,€reporting,€etc.)€is€less€complex€if€all€the€units€at€a€refinery€are€subjectÏto€the€Refinery€MACT€rule.€ÌÌ28.€€òòQuestionóó:€€If€a€major€HAP€source€(source€exceeding€the€10/25€tpy€threshold)€reduces€itsÐ ð@ Ðpotential€emissions€below€the€10/25€tpy€threshold,€will€the€relevant€MACT€rule€for€that€source€noÏlonger€be€applicable?€€Or€is€it€"once€major€„„€always€major"?€€Does€the€same€principle€apply€for€aÏsource€subject€to€Title€V€or€can€a€source€drop€out€of€Title€V€at€a€later€date€by€reducing€its€emissions?€ÏÌòòAnsweróó:€€For€MACT€standards,€the€answer€is€"once€in€„„€always€in".€€However,€a€refinery€source€hasÐ  #ð! Ðuntil€August€18,€1998€to€demonstrate€to€the€EPA€that€it€emits€below€the€10/25€tpy€threshold.€€ForÏall€MACT€regulations,€a€source€does€not€have€to€declare€its€major€source€status€until€the€firstÏcompliance€date.€€The€official€first€compliance€date€for€Gasoline€Distribution€MACT€for€terminalsÏwas€originally€December€14,€1995€but€it€was€extended€until€December€15,€1997€(61€FR€7718).€€ÌÌÔ#†°XEX X¿Xo…>z#ÔÔ‡¡XEXX°XEÔ29.€€òòQuestionóó:€The€regulation€requires€storage€vessels€with€floating€roofs€to€be€brought€intoÐ @)$' Ðcompliance€within€10€years€or€at€the€first€degassing€and€cleaning€activity,€which€ever€is€first.€€ByÏwhen€should€storage€vessels€with€floating€roofs€that€do€not€require€a€degassing€to€be€brought€intoÏcompliance?Ìâ âÐ ð,@(+ ÐòòAnsweróó:€The€intent€in€allowing€up€to€10€years€for€floating€roof€vessels€to€be€brought€into€complianceÐ ° Ðâ âwas€to€avoid€situations€where€bringing€a€vessel€into€compliance€by€August€18,€1998€would,€in€theÏshort€term,€result€in€greater€emissions.€€Such€situations€can€occur€when€vessels€with€floating€roofsÏmust€be€degassed€and€cleaned€before€seals€can€be€upgraded.€€The€emissions€from€degassing€andÏcleaning€are€greater€than€the€emissions€that€would€be€reduced€by€the€upgraded€seals.€€ThisÏcompliance€extension€was€not€intended€to€be€applied€to€all€vessels.€€For€example,€if€a€vessel€isÏdegassed€and€cleaned€in€less€than€10€years€after€August€18,€1998,€the€vessel€must€be€brought€intoÏcompliance€at€that€time.€€To€be€consistent€with€the€intent€of€the€regulation,€storage€vessels€that€doÏnot€require€degassing€to€be€brought€into€compliance€should€be€in€compliance€with€the€regulation€byÏthe€August€18,€1998€compliance€date.ÌÌ30.€€òòQuestionóó:€Are€vents€from€an€asphalt€oxidizer€system€a€process€vent€under€the€Refinery€MACTÐ Ô$  Ðof€will€they€be€covered€by€the€upcoming€asphalt€MACT?Ìà Š àòòÌAnsweróó:€Vents€from€asphalt€oxidizers€are€not€specifically€exempted€from€the€applicability€of€theÐ ˜è  ÐRefinery€MACT.€€Currently,€EPA€is€not€intending€to€include€asphalt€oxidation€units€at€refineries€inÏthe€Asphalt€Roofing€and€Processing€NESHAP,€which€has€not€yet€been€proposed.€€It€is€apparent€thatÏvents€from€asphalt€oxidation€systems,€if€they€meet€the€definition€of€a€miscellaneous€process€vent,€Ïare€subject€to€the€provisions€of€the€Refinery€Ô_ÔMACTÔ_Ô.ÌÌ31.€€Sections€63.642€(g),€(Ô_ÔiÔ_Ô),€and€(k)€appear€to€be€in€conflict.€€If€an€existing€refinery€complies€withÏthe€requirements€in€63.642(k),€does€it€also€have€to€comply€with€63.642(g)?€€Our€concern€is€thatÏ63.642(g)€contains€the€word€ð ðshallðð€whereas€63.642(k)€contains€ð ðmay.ðð€€ÌÌñ5 ñò òñ5 ññ1 ñAnswerñ1 ññ2 ñ:ó óñ1 ñò òAnswerñ1 ññ2 ññ4 ññ3 ñAneñ3 ññ4 ññ6 ñAnswer:ñ6 ññ5 ññ1 ñó óñ1 ññ5 ññ1 ñÔ#†°XEXX¡XEeŠ#ÔÔ‡¡XEXX°XEÔñ1 ñ€€€We€do€not€believe€there€is€a€conflict€in€these€paragraphs.€€€Section€63.642(k)€uses€the€wordÐ Ð  Ðð ðmayðð€because€it€is€an€option€to€use€point€by€point€compliance.€€€Paragraph€(Ô_ÔiÔ_Ô)€of€this€sectionÏexpresses€the€obligation€to€meet€the€standard€expressed€in€63.642(g)€by€using€either€the€provisionsÏin€paragraph€(k)€or€use€the€emissions€averaging€provisions€in€paragraph€(l)€for€some€of€the€emissionÏpoints€and€paragraph€(k)€for€the€other€points.€€€If€we€had€drafted€paragraph€(k)€using€ð ðshall,ðð€thatÏwould€have€meet€that€everyone€would€have€to€use€the€point€by€point€compliance,€which€was€not€theÏintent€of€the€rule.ÌÌà Š àParagraph€(g)€of€63.642€does€not€establish€separate€enforceable€conditions.€€In€fact,€following€theÏequation€we€have€a€statement€that€the€emission€level€represented€by€the€equation€is€not€fixed€andÏmay€change.€€Paragraph€(Ô_ÔiÔ_Ô)€of€63.642€also€specifies€that€the€owner€or€operator€is€to€demonstrateÏcompliance€with€the€equation€in€(g)€by€complying€with€paragraph€(k)€or€by€complying€with€aÏcombination€of€the€provisions€in€paragraph€(l)€and€paragraph€(k).€€€It€is€difficult€to€understand€howÏthere€can€be€misunderstanding€of€the€compliance€demonstration€requirement€here.ÌÔ#†°XEXX¡XEA”#ÔÔ‡¿Xo… XX°XEÔÐ  ¸'#& ÐÔ#†°XEX X¿Xo…™#Ôà@¹¹7ìàSTORAGE€TANKSˆÐ ° ÐÌ1.€€òòQuestionóó:€€Does€the€Refinery€MACT€Rule€require€controls€on€tanks€that€might€be€used€forÐ ˆØ Ðemergency€blowdown€or€shutdowns,€such€as€slop€tanks€or€blowdown„shutdown€tanks?€€€€€€Ìà Š àòòÌAnsweróó:€€The€terms€ð ðslopðð€and€ð ðslop€oilðð€are€used€in€a€lot€of€different€ways.€€If€it€is€a€slop€tank€orÐ L œ Ðslop€oil€tank€that€is€part€of€your€wastewater€facility,€then€you€would€need€to€check€for€applicabilityÏunder€the€benzene€waste€operations€rule.€€By€the€definition€in€Refinery€MACT,€it€is€not€a€RefineryÏMACT€storage€tank.€€The€tank€is€exempt€from€Refinery€MACT€storage€tank€provisions€if€it€is€aÏwastewater€tank,€but€you€then€have€to€check€the€wastewater€provisions€which€invoke€the€BenzeneÏWaste€Operations€NESHAP€and€see€if€it€is€subject€to€those€regulations.ÌÌà Š àFor€a€blowdown„shutdown€tank,€if€that€is€the€only€occurrence€under€which€it€qualifies€as€GroupÏ1€service,€then€I€would€read€it€as€falling€under€that€exemption€for€only€incurring€that€service€forÏtemporary€or€process€upsets.€€I€would€caution€that€you€should€include€that€eventuality€in€your€startup,Ïshutdown,€and€malfunction€plan.€€To€conclude,€the€blowdown„shutdown€tank€is€not€subject€to€theÏRefinery€MACT€control€requirements,€but€you€need€to€say€that€clearly€in€your€SSMP.Ìà Š àÌ2.€€òòQuestionóó:€€We€have€a€riveted€gasoline€tank€still€in€use.€€Is€there€anything€in€the€Refinery€MACTÐ H˜ ÐRule€preventing€use€of€a€riveted€tank€as€long€as€it€has€proper€roof€and€seal€controls?€€€€Ìà Š àòòÌAnsweróó:€€There€is€no€prohibition€on€a€riveted€tank;€however,€I€would€caution€that€in€checking€yourÐ  \ Ðseal€gap€requirements,€you€may€have€more€difficulty€meeting€the€seal€gap€requirements€with€theÏriveted€tank.€€But€there€is€nothing€that€prohibits€the€riveted€tank€per€se€if€you€can€install€a€rim€sealÏthat€meets€the€gap€requirements.ÌÌÔ‡¿Xo… XX°XEÔ3.€€òòQuestionóó:€€Does€the€MACT€Rule€for€storage€tanks€require€secondary€seals€on€existing€internalÐ ¨ø Ðfloating€roof€tanks?€(Vol.€I,€p.€106)Ìà Š àòòÌAnsweróó:€€For€an€existing€MACT€source,€the€answer€is€"sometimes."€€As€shown€in€the€flow€diagramsÐ xÈ Ð(workshop€notebook)€for€storage€tanks,€the€tank€has€rim€seal€requirements.€€If€the€internal€floatingÏroof€tank€(IFRT)€is€equipped€with€a€òòliquid„mountedóó€or€òòmechanical„shoeóó€primary€seal,€the€IFRT€doesÐ X!¨ Ðnot€need€a€secondary€seal€to€be€in€compliance€with€the€Refinery€MACT.€€However€if€the€IFRT€isÏequipped€with€a€òòvapor„mountedóó€primary€seal,€a€secondary€seal€must€be€installed€to€be€in€compliance.€Ð 8#ˆ! ÐAlso,€if€the€IFRT€is€equipped€with€a€flexible€wiper€primary€seal,€which€is€common€on€many€internalÏfloaters,€then€the€tank€would€require€a€secondary€seal€to€be€in€compliance.ÌÌ4.€€òòQuestionóó:€€The€storage€tank€provisions€in€ðð63.646(a)€of€the€Refinery€MACT€rule€do€notÐ ø&H"% Ðspecifically€state€that€the€requirements€of€ðð63.119(a)(2)€do€not€apply,€which€says€that€a€closed€ventÏsystem€in€some€control€devices€is€required€if€the€maximum€true€vapor€pressure€(TVP)€is€greater€thanÏ11.1€psia.€€Is€this€correct?€Ìà Š àòòÌAnsweróó:€€Yes.€€All€of€the€EPA€regulations€for€storage€tanks€have€provisions€that€do€not€allow€tanksÐ ¨+ø&* Ðstoring€products€with€a€Ô_ÔTVPÔ_Ô€greater€than€11.1€Ô_ÔpsiaÔ_Ô€to€control€emissions€with€a€floating€roof.€€TheÏrationale€for€the€11.1€Ô_ÔpsiaÔ_Ô€cutoff€is€that€products€with€a€Ô_ÔTVPÔ_Ô€that€high€are€close€to€boiling€atÐ ˆ-Ø(, Ðatmospheric€conditions.€€Since€floating€roofs€are€not€suitable€controls€if€the€liquid€stock€is€boiling,Ïthe€11.1€Ô_ÔpsiaÔ_Ô€cutoff€is€intended€to€keep€a€source€storing€liquid€stock€with€a€high€Ô_ÔTVPÔ_Ô€from€using€aÏfloating€roof.€€Keep€in€mind€that€the€11.1€Ô_ÔpsiaÔ_Ô€cutoff€is€the€maximum€monthly€true€vapor€pressureÏas€opposed€to€Reid€vapor€pressure€(Ô_ÔRVPÔ_Ô),€which€is€the€vapor€pressure€of€a€liquid€measured€at€100ð$ðF.€Ð €Ð ÐSo€do€not€be€confused€into€thinking€that€if€you€have€tanks€that€store€11€Ô_ÔRVPÔ_Ô€gasoline,€you€must€useÏa€control€device€instead€of€a€floating€roof.ÌÌ5.€€òòQuestionóó:€€Clarify€that€the€gaseous€streams€from€storage€vessels€that€are€routed€to€fuel€gas€streamsÐ @  Ðqualify€for€performance€testing,€monitoring,€Ô_ÔrecordkeepingÔ_Ô,€and€reporting€(Ô_ÔMRÔ_Ô&R),€etc.€Ìà Š àòòÌAnsweróó:€€Storage€vessels€that€have€their€gaseous€stream€routed€to€a€fuel€gas€stream€are€òònotóó€requiredÐ `  Ðto€do€performance€testing,€Ô_ÔMRÔ_Ô&R,€etc.€€Section€63.646(b),€the€Refinery€Ô_ÔMACTÔ_Ô€storage€vesselÏprovisions,€indicates€that€the€definitions€in€ðð63.641€take€precedence€over€the€HON€definitionsÏ(ðð63.119).€€In€ðð63.641,€a€closed„vent€system,€by€definition,€excludes€the€plant€fuel€gas€system.€€TheÏ6/12/96€corrections€add€an€exemption€{63.640(d)(5)}€for€òòallóó€emission€points€routed€to€a€fuel€gasÐ Ð  Ðsystem.ÌÌ6.€€òòQuestionóó:€€When€would€a€new€tank€receiving€HAP€be€required€to€meet€new€source€Ô_ÔMACTÔ_ÔÐ  ð ÐStandards?€€Only€at€a€new€refinery?€€Ìà Š àòòÌAnsweróó:€€Yes.€€A€new€tank€installed€at€an€òòexistingóó€refinery€is€not€a€new€Ô_ÔMACTÔ_Ô€source.€€The€tank€isÐ pÀ Ðnot€subject€to€the€new€Refinery€Ô_ÔMACTÔ_Ô€standards€unless€it€is€built€at€a€new€refinery.€€However,€theÏtank€is€subject€to€the€Ô_ÔNSPSÔ_Ô€requirements€in€40€Ô_ÔCFRÔ_Ô€60,€Subpart€Kb.€€ÌÌ7.€€òòQuestionóó:€€Does€the€EPA€agree€that€the€Refinery€Ô_ÔMACTÔ_Ô€rule€does€not€preclude€internalÐ 0€ Ðinspections€being€made€by€entering€a€tank€òòin€serviceóó€and€inspecting€the€floating€roofÐ  p Ðfrom€the€top€side€(implying€no€degassing€of€the€tank€prior€to€inspection)?€Ìà Š àòòÌAnsweróó:€€Nothing€in€the€Refinery€Ô_ÔMACTÔ_Ô€precludes€internal€inspections€from€being€made€by€enteringÐ ð@ Ða€tank€in€service€and€inspecting€from€the€top€side€of€the€floating€roof.€There€may€be€an€assumptionÏthat€you€would€only€perform€the€internal€inspection€when€the€tank€is€out€of€service,€but€if€the€sourceÏintends€to€keep€the€tank€in€service€for€10€years€and€does€not€plan€to€take€it€out€of€service,€the€sourceÏis€still€required€to€do€an€internal€inspection.€Keep€in€mind€that€there€is€a€safety€consideration,€sinceÏthe€tank€is€considered€a€"confined€space."€€Therefore,€you€will€have€to€follow€Occupational€SafetyÏand€Health€Administration€(OSHA)€procedures€for€entering€a€confined€space.€€ÌÌ8.€€òòQuestionóó:€€If€a€storage€tank€is€degassed€on€8/16/98€pursuant€to€a€routine€maintenance€schedule,Ð p&À!$ Ðand€maintenance€is€not€completed€by€8/18/98€(initial€compliance€date),€must€the€storage€tank€be€inÏcompliance€at€completion€of€these€maintenance€activities?€€The€rule€(ðð63.640)€says€that€tanks€mustÏbe€brought€into€compliance€at€the€"next€degassing."€Ìà Š àòòÌAnsweróó:€The€clarifications€published€6/12/96€stipulate€that€a€floating€roof€storage€vessel€shall€be€inÐ  +p&) Ðcompliance€ð ðat€the€first€degassing€and€cleaning€activity€after€August€18,€1998".€€While€this€couldÏbe€construed€as€the€first€degassing€initiated€after€8/18/98,€a€more€conservative€interpretation€wouldÏbe€the€first€time€that€the€tank€is€in€a€degassed€and€cleaned€condition€after€8/18/98.€€Under€the€latterÐ ð-@), Ðinterpretation,€the€tank€in€question€would€have€to€be€in€compliance€at€completion€of€maintenanceÏactivities€that€are€in€progress€in€8/18/98.€€Note€that€for€a€fixed€roof€tank€(no€floating€roof),€it€mustÏbe€in€compliance€prior€to€8/18/98.€ò òÐ à Ðó óÌ9.€€òòQuestionóó:€€Assume€that€a€tank€switches€between€containing€"Group€1"€and€"Group€2"€liquids.€Ð pÀ ÐSince€"Group€1"€liquids€are€in€the€tank,€it€is€impacted€by€the€Refinery€Ô_ÔMACTÔ_Ô€rule.€€However,€whatÏare€the€requirements€for€the€tank€when€the€"Group€2"€liquid€is€in€the€tank?€Ìà Š àòòÌAnsweróó:€€There€are€not€any€expressed€provisions€for€discontinuing€"Group€1"€requirements€whileÐ 0 € Ðthe€tank€is€in€"Group€2"€service€in€the€Refinery€Ô_ÔMACTÔ_Ô.€€However,€ðð63.120(b)(1)(iv)€in€40€Ô_ÔCFRÔ_Ô€63,ÏSubpart€G,€which€addresses€resuming€seal€gap€inspections€when€a€tank€is€returned€to€"Group€1"Ïservice,€does€imply€that€while€the€tank€was€out€of€Group€1€service,€it€was€not€subject€to€theÏinspection€requirements.€€Section€63.120(b)(1)(iv)€says€that€"tanks€ceasing€to€store€HAP€liquidsÏmeeting€the€Group€1€vapor€pressure€criteria€for€1€year€or€more€shall€resume€the€compliance€scheduleÏof€measurements€within€90€days€of€returning€to€Group€1€Ô_ÔHAPsÔ_Ô€service."€€That€provision€implies€aÏdiscontinuation€of€"Group€1"€requirements€only€by€inference.ÌÌ10.€€òòQuestionóó:€€Are€underground€storage€tanks€and€bulk€tanks€provided€by€vendors€consideredÐ  ð Ðstorage€vessels?€Ìà Š àòòÌAnsweróó:€€The€definition€in€ðð63.641€says€a€"storage€vessel€means€a€tank€or€other€vessel€that€is€usedÐ pÀ Ðto€store€organic€liquids€that€are€in€organic€HAP€service."€€The€definition€does€not€make€anyÏdistinction€about€whether€the€tank€is€an€aboveground€tank,€an€underground€tank,€or€a€vendorÏsupplied€tank.€€Therefore,€if€the€tank€is€assigned€to€an€affected€unit€and€exceeds€the€"Group€1"Ïcutoffs,€then€the€tank€is€a€"Group€1"€storage€vessel.ÌÌà Š àAdditional€information:€€Subpart€Kb€excludesÌà Š à„à ` àvessel€located€at€bulk€gasoline€plants,Ð P Ðà Š à„à ` àstorage€vessels€located€at€gasoline€service€stations,€and€Ð ð@ Ðà Š à„à ` àsubsurface€caverns€or€porous€rock€reservoirs.ò òÐ à0 Ðó óÌ11.€€òòQuestionóó:€€If€a€tank€contains€primarily€an€inorganic€material€or€a€material€that€does€not€meet€theÐ À! Ð4€percent€HAP€criteria€(in€other€words,€is€not€a€"Group€1"€liquid)€but€also€contains€a€hydrocarbonÏlayer€which€òòisóó€a€"Group€1"€liquid,€how€does€one€calculate€the€Ô_ÔTVPÔ_Ô€and€HAP€content€to€determineÐ  #ð! Ðif€the€tank€is€subject€to€"Group€1"€or€"Group€2"€requirements?€€Is€the€calculation€based€on€theÏaverage€of€the€total€liquid€contents€in€the€tank€or€the€average€of€the€hydrocarbon€layer€that€is€on€topÏof€the€liquid?€€Ìà Š àòòÌAnsweróó:€Stratification€of€a€multi€component€liquid€is€not€specifically€addressed€in€the€rule.€€It€is€aÐ P( #& Ðcomplex€issue€which€does€not€have€an€intuitively€ð ðmost€stringentðð€resolution.€€For€example,€the€topÏlayer€is€the€lightest€and€typically€the€most€volatile€component,€but€a€heavier€layer€may€have€a€higherÏHAP€content.€€Furthermore,€if€the€top€layer€is€a€Ô_ÔmulticomponentÔ_Ô€hydrocarbon€layer€that€is€not€veryÏdeep,€it€will€experience€significant€change€in€properties€as€it€weathers.€€This€is€part€of€the€reason€forÏtanks€storing€wastewater€being€governed€by€the€wastewater€provisions€(where€applicability€isÏdetermined€by€concentration€and€flow€rate)€rather€than€under€the€storage€tank€provisions.€€TheÐ ð-@), Ðscenario€raised€in€the€question€would€typically€fall€outside€the€storage€tank€provisions€of€theÏRefinery€Ô_ÔMACTÔ_Ô.€€In€those€infrequent€cases€where€a€tank€subject€to€significant€stratification€isÏgoverned€by€Refinery€Ô_ÔMACTÔ_Ô,€there€is€no€requirement€to€use€anything€other€than€the€averageÏproperties€in€determining€applicability.€Ô#†°XEX X¿Xo…•¡#ÔÐ €Ð ÐÌò òÔ‡¡XEXX°XEÔñ7 ñó óñ7 ñ12.ñ7 ñò òñ7 ñ€€òòó óQuestionóó:€A€facility€has€a€storage€vessel€with€a€capacity€greater€than€177€cubic€metersÐ \ ¬ Ð(approximately€47,000€gallons).€€The€vessel€currently€meets€the€criteria€for€a€Group€1€storage€vessel.€ÏCould€the€facility€limit€the€capacity€of€the€vessel€to€less€than€177€cubic€meters€in€order€to€reclassifyÏit€as€a€Group€2€storage€vessel,€eliminating€the€applicability€of€control€requirements€and€reducingÏÔ_ÔrecordkeepingÔ_Ô€and€reporting€requirements?€€Two€options€proposed€for€limiting€the€capacity€of€theÏvessel€are:€maintaining€a€daily€record€of€the€amount€of€material€stored€in€the€vessel€to€demonstrateÏthat€it€is€not€being€operated€above€the€Group€1€applicability€cut„off€level;€and€installing€an€overflowÏline€in€the€vessel€which€would€limit€the€operational€capacity€of€the€vessel.ÌÌòòAnsweróó:€Although€the€Refinery€Ô_ÔMACTÔ_Ô€uses€the€term€ð ðdesign€storage€capacityðð€(DSC)€in€stating€theÐ ¬ü  Ðsize€cut„off€for€existing€and€new€sources,€the€term€is€not€defined€in€the€Refinery€Ô_ÔMACTÔ_Ô.€€ReviewÏof€previous€EPA€determinations€of€the€definitions€of€storage€vessel€ð ðcapacityðð€and€ð ðdesign€capacityððÏterms€indicate€that€the€following€definition€of€storage€vessel€ð ðcapacityðð,€ð ðdesign€capacityðð,€or€DSCÏshould€be€used€for€Ô_ÔNSPSÔ_Ô€part€60€subpart€Ka€and€Kb€storage€vessel€applicability€determinations:ÌÌÓ XÓÓ XÓð ðDesign€capacity,€as€used€in€40€Ô_ÔC.F.R.Ô_Ô€Part€60€Subpart€Kb€and€Capacity,€used€in€40ÏÔ_ÔC.F.R.Ô_Ô€Part€60€Subpart€Ka€shall€mean€the€internal€cross„sectional€area€of€a€tankÏmultiplied€by€the€internal€height€of€the€tank€shell€and€shall€be€reported€in€cubicÏmeters.€€Operational€restrictions€such€as€design€liquid€levels€and€overflow€valveÏheights€shall€not€be€a€consideration€in€determining€internal€heights€and€shall€notÏimpact€the€calculations.€€The€nominal€capacity€assigned€by€the€tank€manufacturerÏshall€only€be€used€to€assess€capacity€or€design€capacity€if€a€tank€is€not€close€to€a€sizeÏof€regulatory€concern.ððÌÓ XÒÏÓÓ XÄÏÓà Š àÌÌThe€above€quoted€size€applicability€criteria€for€storage€vessels,€possibly€applicable€to€40€Ô_ÔCFRÔ_Ô€partÏ60,€will€also€be€used€for€40€Ô_ÔCFRÔ_Ô€part€63€subpart€CC€Group€1€storage€vessel€applicabilityÏdeterminations.€€According€to€the€applicability€criteria,€the€two€options€proposed€for€limiting€theÏvolume€of€the€vessel€are€operational€restrictions€which€should€not€be€considered€in€determiningÏdesign€capacity.€€Therefore,€neither€of€the€two€proposed€options€would€allow€a€facility€to€reduce€theÏdesign€capacity€of€a€vessel€in€order€to€alter€the€group€status€of€the€vessel.€Ì€Ìñ8 ñò òñ8 ñ13.€€ñ8 ñó óñ8 ñòòQuestionóó:€Is€it€true€that€the€true€vapor€pressure€(Ô_ÔTVPÔ_Ô)€of€the€entire€mixture€in€a€storage€vesselÐ à&0"% Ðis€used€to€determine€whether€the€vessel€is€Group€1€or€Group€2,€but€to€determine€whether€or€not€aÏclosed€vent€system€and€control€device€is€required,€only€the€partial€pressure€of€the€Ô_ÔHAPsÔ_Ô€isÏconsidered?ÌÌAnswer:€That€is€correct.€€The€applicability€criteria€for€Group€1€storage€vessels€include€the€vaporÏpressure€cutoffs€of€greater€than€or€equal€to€10.4€Ô_ÔkilopascalsÔ_Ô€(Ô_ÔkPaÔ_Ô)€for€the€stored€liquid€maximum€trueÏvapor€pressure€and€greater€than€or€equal€to€8.3€Ô_ÔkPaÔ_Ô€for€the€stored€liquid€annual€average€true€vaporÏpressure.€€If€a€vessel€is€determined€to€meet€the€criteria€for€a€Group€1€storage€vessel,€emissions€fromÐ @.)- Ðthe€vessel€must€be€controlled.€€If€the€maximum€true€vapor€pressure€of€the€total€organic€HAP€in€theÏstored€liquid€is€less€than€76.6€Ô_ÔkPaÔ_Ô,€the€vessel€may€be€controlled€using€an€external€floating€roof,€andÏinternal€floating€roof€or€a€closed€vent€system€routed€to€a€control€device€or€an€equivalent€control.€€IfÏthe€maximum€true€vapor€pressure€of€the€total€organic€HAP€is€greater€than€or€equal€to€76.6€Ô_ÔkPaÔ_Ô,€theÏvessel€must€be€controlled€with€a€closed€vent€system€and€control€device€or€equivalent€control.ò òÐ `° ÐÌñ9 ñó óñ9 ñ14.ñ9 ñò òñ9 ñ€€òòó óQuestionóó:€Should€seal€measurements€be€considered€a€maintenance€activity?€€Secondary€sealsÐ 8 ˆ Ðare€not€in€compliance€with€gap€requirements€when€they€are€temporarily€pulled€back€during€primaryÏseal€gap€measurements.Ìà Š àÌòòAnsweróó:€The€Refinery€Ô_ÔMACTÔ_Ô€references€a€provision€of€the€HON€that€specifically€exempts€secondaryÐ ì <  Ðseals€from€seal€gap€requirements€while€the€seal€is€temporarily€pulled€back€during€primary€seal€gapÏmeasurements.€€Through€a€recent€revision€to€the€rule€(63FR44135,€August18,€1998),€thisÏexemption€has€been€extended€to€storage€vessels€that€are€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€and€40€Ô_ÔCFRÔ_ÔÏpart€60€subpart€Kb€and€are€complying€with€the€requirements€of€subpart€Kb.Ô#†°XEXX¡XE¾É#ÔÐ œì  ÐÌÔ‡¡XEXX°XEÔñ: ñò òñ: ñ15.ñ: ñó óñ: ñ€€How€should€the€source€monitor€and€document€whether€the€level€of€the€fuel€in€the€storage€tankÐ tÄ Ðis€below€the€legs€(e.g.,€63.119(c)(3)€&€(4))?Ìà Š àÌÔ#†°XEXX¡XE½Þ#ÔÔ‡­XEXX°XEÔñ< ñ€ñ< ññ; ñò òñ; ñAnswer:ñ; ñó óñ; ñ€€There€is€no€monitoring€or€Ô_ÔrecordkeepingÔ_Ô€requirement€corresponding€to€the€requirement€inÐ 8ˆ Ð63.119(c)(3)€and€(4).€€Ô#†°XEXX­XEÊß#ÔÔ‡¡XEXX°XEÔIf€this€level€is€below€the€leg€height€setting,€then€the€owner€needs€to€complyÐ $t Ðwith€the€applicable€provisions€of€the€rule.Ô#†°XEXX¡XEÝà#ÔÔ‡­XEXX°XEÔ€€This€is€a€common€sense€type€of€requirement€that€the€roofÐ ` Ðonly€be€resting€on€its€legs€if€empty€(i.e.€during€initial€fill,€after€being€emptied€and€degassed€or€beforeÏbeing€refilled€after€being€completely€emptied).€€If€the€roof€continues€to€rest€on€its€legs€after€beingÏfilled,€the€liquid€would€lie€ON€TOP€of€the€roof,€which€of€course€would€be€a€violation.€€The€Person€Ïfilling€the€tank€should€be€able€to€insure€that€this€requirement€is€met.Ô#†°XEXX­XE¬á#ÔÔ‡¡XEXX°XEÔÐ À ÐÌ16.€€What€is€the€difference€between€nominal€tank€diameter€and€tank€diameter€pursuant€toÏ63.120(b)(4)?ÌÌñ= ñò òñ= ñAnswer:ñ= ñó óñ= ñ€€Ô#†°XEXX¡XEºã#ÔÔ‡­XEXX°XEÔThere€is€no€difference€between€nominal€tank€diameter€and€tank€diameter€in€63.120(b)(4).Ô#†°XEXX­XEœä#ÔÔ‡¡XEXX°XEԀР\ ¬ ÐÌ17.€€What€does€ð ðemptiedðð€mean€as€in€63.119(c)(3)€and€63.646(a)?€€Does€this€mean€no€product€in€theÏtank€or€that€the€source€is€unable€to€pull€product€from€the€tank?€€How€many€days€does€a€tank€need€toÏbe€empty€to€be€ð ðemptiedðð€if€the€fuel€level€drops€on€a€regular€basis€because€of€highÏÔ_ÔthroughputsÔ_Ô/turnovers?ÌÌñ> ñò òñ> ñAnswerñ> ñò òñ> ñ:ó ó€€Ô#†°XEXX¡XE5å#ÔÔ‡­XEXX°XEÔEmptied€means€the€tank€has€no€more€product€in€it€except€for€wall€Ô_ÔclingageÔ_Ô€or€pools€dueÐ Ð& "% Ðto€tank€bottom€irregularities.€€€There€is€no€set€number€of€days€that€a€tank€must€be€empty€€to€beÏ"emptied".€€If€it€meets€the€definition€of€empty€(no€product€except€wall€Ô_ÔclingageÔ_Ô€and€pools€due€toÏbottom€irregularity)€then€it€is€empty,€period.€€Ô#†°XEXX­XEç#ÔÔ‡¡XEXX°XEÔÐ ˜)è$( ÐÌ18.€€For€older€tanks,€how€do€we€determine€the€recommended€setting€for€pressure€if€there€is€noÏexisting€documentation€and€the€manufacturer€is€out€of€business€(e.g.,€63.646(f)(2))?Ìâ âà Š àà ` àà ¸ àà  àà h àà À àà  àà p àà È àà  àà x àà Ð àÐ H-˜(, Ðñ? ñò òñ? ñAnswer:ñ? ñó óñ? ñ€€Ô#†°XEXX¡XEòè#ÔÔ‡¯Xo… XX°XEÔParagraph€63.646(f)(2)€addresses€the€need€of€rim€space€vents€to€open€in€certain€situations,Ð ° Ðâ âlike€when€a€floating€roof€is€being€floated€to€release€the€gas€beneath€the€roof€and€primary€seal.€€TheÏsetting€at€which€the€rim€space€vent€opens€is€more€dependent€on€the€need€to€vent€the€gas€beneath€theÏfloating€roof€than€the€specific€manufacturerððs€recommended€setting.€€Therefore,€the€pressure€settingsÏof€other€similar€devices€should€suffice€to€determine€the€necessary€setting€for€a€vent€for€which€noÏinformation€is€available.ÌÔ#†°XEX X¯Xo…Ïê#ÔÔ‡¡XEXX°XEÔà Š àà ` àà ¸ àÌ19.€€What€is€your€expectation€for€companies€to€maintain€required€records€for€emptying€and€refillingÏtanks€as€in€63.119(c)(3)?ÌÌñ@ ñò òñ@ ñAnswer:ñ@ ñó óñ@ ñ€€Section€63.119€does€not€require€records€be€kept€in€such€situations.ÌÔ#†°XEXX¡XE;í#ÔÔ‡¡XEXX°XEÔÌÔ#†°XEXX¡XEˆî#ÔÐ  è8  Ðà@ýý9ìàSECTION€4ˆÌÌà@ïï3ìàPROCESS€VENT€CONTROLSˆÌÌ1.€€òòQuestionóó:€€Can€a€process€vent€be€routed€to€a€new€source€performance€standard€heater€fireboxÐ `° Ðwithout€additional€monitoring,€for€example€SOòò2óó€stack€monitoring,€if€the€fuel€gas€is€already€monitoredÐ L œ Ðfor€Hòò2óóS€content?€€€€Ð 8 ˆ Ðà Š àòòÌAnsweróó:€€There€are€no€requirements€in€the€Refinery€Ô_ÔMACTÔ_Ô€Rule€to€monitor€for€Hòò2óóS.€€However,€youÐ  ` Ðshould€check€your€local€and€State€agencies€to€find€out€if€they€are€going€to€make€you€monitor€for€SOòò2óóÐ ü L  Ðwhen€you€add€that€extra€vent.€€This€will€be€an€issue€that€is€driven€by€new€source€performanceÏstandards,€and€not€by€Refinery€Ô_ÔMACTÔ_Ô.€€There€are€no€requirements€in€Refinery€Ô_ÔMACTÔ_Ô€for€you€toÏmonitor€anything€in€the€stack€of€a€heater€or€boiler.€€You€monitor€the€temperature€in€the€firebox€if€theÏboiler€or€process€heater€has€a€design€capacity€<44€megawatts€and€the€vent€stream€is€not€introducedÏinto€the€flame€zone.€€So€Refinery€Ô_ÔMACTÔ_Ô€will€not€require€you€to€do€that,€but€I€do€not€know€for€sureÏthe€answer€to€that€for€new€source€performance€standards.ÌÌ2.€€òòQuestionóó:€€If€a€steam€Ô_ÔeductorÔ_Ô€is€used€strictly€for€startup,€is€the€Ô_ÔeductorÔ_Ô€excluded?€€Ð \¬ Ѐ€à Š àòòÐ H˜ ÐAnsweróó:€€Yes,€startup€vents€are€specifically€excluded€from€Refinery€Ô_ÔMACTÔ_Ô.Ð 4„ ÐÌ3.€€òòQuestionóó:€€Would€Ô_ÔFCCUÔ_Ô€reciprocating€compressor€vents€that€are€piped€to€a€steam€Ô_ÔeductorÔ_Ô€ventÐ  \ Ðpipe€be€considered€a€process€vent?€€(Assume€the€Ô_ÔVOCÔ_Ô€emission€rate€is€over€72pounds€per€day).€€€ÏÌòòAnsweróó:€€In€that€case,€yes,€it€is.€€If€the€Ô_ÔFCCUÔ_Ô's€continuous€vent€releases€to€the€atmosphere,€the€ventÐ Ð  Ðis€one€of€the€specifically€listed€vent€streams.€€At€that€emission€rate,€you€would€probably€have€to€routeÏthe€stream€to€a€control€device.Ìà Š àÌ4.€€òòQuestionóó:€€Are€there€any€requirements€to€monitor€flow€from€process€vents€routed€to€a€controlÐ €Ð Ðdevice?€€€€Ìà Š àòòÌAnsweróó:€€No,€the€only€requirement€for€monitoring€flow€is€if€the€control€device€has€a€bypass€stack.€Ð D!” ÐYou€either€have€to€monitor€for€flow€in€the€bypass€stack€to€prove€there€is€not€any€flow,€or€you€haveÏto€close€the€bypass€stack€car„seal€and€monitor€that€the€seal€is€locked€shut€so€that€any€flow€cannotÏbypass€the€control€device.€€There€are€no€requirements€to€monitor€flow€in€any€of€these€control€devicesÏunless€you€propose€that€as€an€alternate€method€of€control.Ìà Š àÌ5.€€òòQuestionóó:€€Are€process€vents€from€Ô_ÔRemediationÔ_Ô€or€recovered€oil€systems€at€refineries€covered€byÐ Ì&"% Ðthe€Ô_ÔMACTÔ_Ô€requirements€in€process€vents?€€€€Ìà Š àòòÌAnsweróó:€€The€Refinery€Ô_ÔMACTÔ_Ô€Rule€was€written€to€apply€to€refining€operations€and€productionÐ )à$( Ðactivities.€€The€rule€does€not€address€process€vents€for€activities€such€as€Ô_ÔRemediationÔ_Ô.€€For€example,Ïprocess€vents€for€recovering€subsurface€hydrocarbons€and€separating€the€hydrocarbons€at€the€surfaceÏwould€not€be€covered€by€the€Ô_ÔMACTÔ_Ô€rule.Ìâ âà Š àÐ @-(, Ð6.€€òòQuestionóó:€€In€the€examples€provided,€please€confirm€that€process€vents€are€not€open€pressureÐ ° Ðâ ârelief€valve€vents.€€What€controls€does€Refinery€Ô_ÔMACTÔ_Ô€impose€on€open€pressure€relief€valve€vents?€Ï€€ÌòòAnsweróó:€€If€you€are€talking€about€the€vent€that€is€sitting€on€a€distillation€column€designed€to€keep€theÐ tÄ Ðunit€from€exploding€when€the€pressure€has€been€exceeded,€the€rule€does€not€apply.€€However,€if€youÏare€talking€about€a€vent€that€sits€on€top€of€the€reactor€and€controls€the€pressure€of€that€operation€byÏperiodically€discharging€to€the€atmosphere,€then€there€is€an€argument€that€the€vent€is€a€process€vent.€ÏIf€you€are€talking€about€the€real€safety€valve,€that€is€covered€by€the€leak€detection€and€repair€portionÏof€the€Rule,€which€basically€requires€you€to€monitor€it€within€so€many€days€of€the€vent€lifting.€€ButÏif€you€are€talking€about€those€things€that€are€fairly€predictable€in€relieving,€if€it€has€more€than€20Ïparts€per€million€and€meets€the€mass€loading€criteria€in€the€rule,€it€probably€is€going€to€be€consideredÏa€process€vent.ÌÌIf€the€tank€is€controlled€by€being€routed€through€a€closed€vent€system,€it€may€be€advisable€for€safetyÏpurposes€to€put€a€pressure€relief€vent€on€the€tank.€€If€that€pressure€relief€vent€is€set€at€a€higher€settingÏthan€the€normal€operating€flow€through€the€closed€vent€system€and€it€is€only€on€there€for€safetyÏpurposes,€it€would€fall€under€that€same€exemption€as€a€safety€device.€€But€there€is€a€requirement€thatÏthe€fixed€roof€be€inspected,€so€the€closed€vent€should€be€closed€tight€enough€to€not€exceed€the€500ÏÔ_ÔppmÔ_Ô€sniffer€inspection€that€is€required.€€Ìà Š àÌ7.€€òòQuestionóó:€€What€about€seal€pots€(the€pots€that€are€associated€with€overhead€accumulators)?€€TheyÐ  p Ðare€actually€a€type€of€pressure€relief€device€by€holding€back€pressure€by€the€liquid€itself.€€TheyÏpossibly€could€detain€material€that€it€is€holding€back,€like€gases.€€€Assuming€that€the€vent€exceededÏthe€minimum€HAP€release€rate,€would€it€be€considered€a€process€vent€coming€out€at€the€top€of€theÏcar„seal€because€it€is€probably€continuous?€€Ìà Š àòòÌAnsweróó:€€Yes,€if€the€vent€meets€the€20€parts€per€million€concentration€and€the€72pounds€per€dayÐ ¨ø Ðmass€rate.Ìà Š àÌ8.€€òòQuestionóó:€€Why€are€larger€process€heaters€presumed€to€be€better€at€HAP€destruction€than€smallerÐ l¼ Ðheaters€(that€is,€less€than€44€megawatt€heaters)?€€If€the€reason€is€residence€time,€is€there€a€methodÏto€ð ðcertifyðð€smaller€heaters€as€having€a€residence€time€greater€than€or€equal€to€0.5seconds€so€thatÏsmaller€heaters€could€be€used€for€HAP€destruction€without€performance€testing?€€Ì€òòÐ #l! ÐAnsweróó:€€The€cut€between€process€heaters€greater€than€44€megawatts€and€less€than€44€megawatts€isÐ $X" Ðbased€on€data€that€were€collected€in€the€late€1970ððs€and€early€1980ððs,€by€the€EPAððs€Office€ofÏResearch€and€Development€(ORD)€and€a€Ô_ÔFACAÔ_Ô€committee€involving€industry€representatives.€€TheÏORD's€(and€the€committee's)€data€showed€a€strong€statistical€relationship€for€controlling€HAP's€whenÏconsidering€the€combination€of€the€turbulence€in€the€Ô_ÔcombustorÔ_Ô€and€the€residence€time.€€From€theseÏdata,€they€could€make€a€break€at€44€megawatts.ÌÌAnytime€you€do€this€sort€of€analysis,€somebody€could€have€made€a€judgment€call€at€a€different€point.€ÏBut€regardless€of€arguing€about€the€old€data€and€whether€or€not€it€is€relevant€today,€it€is€importantÏto€look€at€the€definition€of€"flame€zone"€in€the€Rule,€because€this€restriction€is€not€terribly€limiting.€ÏIf€the€vent€stream€is€introduced€into€the€flame€zone,€there€is€no€requirement€to€do€any€performanceÏtest.€€The€EPA€worked€with€Exxon€and€the€API€committee€on€clarifying€that€definition€so€it€wouldÐ ,.|)- Ðnot€be€interpreted€as€requiring€you€to€fire€this€process€heater€or€boiler€exclusively€on€this€ventÏstream.€€As€long€as€the€vent€stream€is€directed€into€that€flame€zone,€that€is€sufficient.€€You€do€notÏneed€to€do€a€performance€test.ÌÌWhen€we€were€writing€the€Rule€last€year,€we€thought€that€with€this€revision€to€the€wording,€very€fewÏprocess€heaters€were€going€to€be€subject€to€performance€testing.€ÌÌÔ‡¿Xo… XX°XEÔ9.€€òòQuestionóó:€€If€an€accumulator€overhead€goes€to€the€fuel€gas€compressor,€what€normally€happensÐ $ t Ðwhen€the€fuel€gas€compressor€goes€down?Ìà Š àòòÌAnsweróó:€€Equipment€failures€should€be€accounted€for€and€included€in€a€source's€start„up,€shutdown,Ð ô D  Ðand€malfunction€plan€(Ô_ÔSSMPÔ_Ô),€which€is€part€of€the€source's€Title€V€permit.€€The€Ô_ÔSSMPÔ_Ô€€should€giveÏthe€source€some€form€of€protection€from€having€to€report€equipment€failures€as€a€violation€of€theÏprocess€vent€standards€in€the€Refinery€Ô_ÔMACTÔ_Ô€rule.ÌÌ10.€€òòQuestionóó:€€For€a€stream€to€be€fed€to€a€boiler€as€fuel€and€not€subject€to€process€vent€monitoring,Ð ¤ô  Ðetc.,€does€the€stream€need€to€meet€specific€criteria€(e.g.,€heating€value)?Ìà Š àòòÌAnsweróó:€€Any€stream€that€is€sent€to€the€fuel€gas€system€is€not€a€process€vent€and€exempt€from€allÐ tÄ Ðrequirements€of€the€Ô_ÔMACTÔ_Ô€rule.€€Any€stream€sent€to€a€heater/boiler€larger€than€44€MW€is€subjectÏto€the€rule€but€is€exempt€from€all€monitoring€and€Ô_ÔrecordkeepingÔ_Ô€requirements€of€the€rule,€and€anyÏstream€introduced€into€the€flame€zone€of€any€heater/boiler€is€also€exempt€from€these€requirements.ÌÌ11.€€òòQuestionóó:€€For€process€vent€flares,€what€is€your€experience€with€pilot€monitoring€viaÐ $t Ðthermocouples?€€What€type€of€continuous€monitoring€system€would€you€recommend?€€ÌÌòòAnsweróó:€€Our€experience€has€been€that€thermocouples€burn€out€in€about€3€months.€€We€are€lookingÐ ôD Ðat€alternatives€such€as€infrared€monitoring.ÌÌ12.€€òòQuestionóó:€€For€a€miscellaneous€"Group€1"€process€vent,€is€the€applicability€of€33€kg€per€day€andÐ Ä Ð20€parts€per€million€by€volume€(Ô_ÔppmvÔ_Ô)€based€on€actual€emissions€or€potential€to€emit?€€Ìà Š àòòÌAnsweróó:€€The€concept€of€"potential€to€emit"€applies€to€the€major€source€determination,€but€the€20Ð ”"ä  Ðparts€per€million/33€kg€per€day€figures€are€based€on€actual€emissions.€€The€source€needs€to€determineÏif€its€vent€would€exceed€those€limits€under€any€possible€circumstances.€€Remember,€there€areÏrequirements€in€the€Refinery€Ô_ÔMACTÔ_Ô€rule€for€you€to€make€the€determination.€€If€the€source€exceedsÏthose€limits€because€of€process€changes,€it€will€have€to€reclassify€the€vent€from€"Group€2"€to€"GroupÏ1."ÌÌ13.€€òòQuestionóó:€€Where€is€the€Ô_ÔbreakoverÔ_Ô€between€delayed€Ô_ÔcokerÔ_Ô€process€vents€requiring€control€andÐ $)t$' Ðnot€requiring€control?€€Is€it€the€72€pounds€per€day€exemption€level?€€ÌÌòòAnsweróó:€€Coking€vents€associated€with€coke€drum€Ô_ÔdepressuringÔ_Ô€at€or€below€a€coke€drum€outletÐ ô+D'* Ðpressure€of€15pounds€per€square€inch€(absolute)€as€well€as€Ô_ÔdeheadingÔ_Ô,€draining,€decoking€andÏpressure€testing€after€decoking€are€not,€by€definition,€miscellaneous€process€vents.€€They€do€notÐ Ô-$), Ðrequire€control.€€Other€coking€unit€vents€are€required€to€be€controlled€if€their€HAP€concentration€isÏgreater€than€or€equal€to€20parts€per€million€(by€volume)€and€their€volatile€organic€compoundÏemissions€are€greater€than€or€equal€to€72pounds€per€day.ÌÌ14.€€òòQuestionóó:€€Is€a€process€vent€exempt€if€it€is€routed€to€another€process,€such€as€a€feed€drum€orÐ pÀ Ðanother€accumulator?€ÌÌòòAnsweróó:€€Yes,€unless€the€vent€eventually€releases€to€the€atmosphere.€€Remember€that€a€process€ventÐ @  Ðis€defined€as€"€...gas€streams€that€are€discharged€directly€to€the€atmosphere,€gas€streams€that€areÏrouted€to€a€control€device€prior€to€discharge€to€the€atmosphere,€or€gas€streams€that€are€divertedÏthrough€a€product€recovery€device€prior€to€control€or€discharge€to€the€atmosphere."€€Therefore,€if€aÏvent€eventually€releases€to€the€atmosphere,€it€is€a€process€vent.€€But€if€the€vent€is€routed€to€anotherÏprocess,€the€intent€was€for€the€vent€to€be€treated€the€same€as€fuel€gas.ÌÌ15.€€òòQuestionóó:€€If€the€vent€is€routed€to€a€vapor€recovery€system€which€eventually€goes€through€theÐ Ð  Ðrefinery€fuel€gas€system,€is€that€vent€exempt?€€Ìà Š àòòÌAnsweróó:€€Yes.Ð  ð ÐÌ16.€€òòQuestionóó:€€Assume€that€a€new€"Group€1"€miscellaneous€process€vent€is€added€to€an€existingÐ €Ð Ðpetroleum€refining€process€unit,€and€no€other€change€is€made€to€the€unit.€€Is€the€"Group€1"€ventÏsubject€to€new€source€or€existing€source€standards?€€Would€the€requirements€for€the€existingÏequipment€be€changed€as€a€result€of€the€new€"Group€1"€vent€addition?€Ìà Š àòòÌAnsweróó:€€The€"Group€1"€vent€would€be€subject€to€existing€source€Ô_ÔMACTÔ_Ô€requirements€òòunlessóó€theÐ 0€ Ðvent€is€major€€(>10/25€Ô_ÔtpyÔ_Ô)€on€its€own,€in€which€case€it€would€be€subject€to€the€new€source€Ô_ÔMACTÔ_ÔÏstandards.ÌÌ17.€€òòQuestionóó:€€If€a€flare€is€used€as€a€control€device€for€a€storage€vessel,€a€process€vent,€or€equipmentÐ ð@ Ðleak,€and€the€flare€is€in€organic€HAP€service€less€than€300€hours€per€year,€clarify€that€the€flare€isÏexempt€from€all€Refinery€Ô_ÔMACTÔ_Ô€requirements.€Ìà Š àòòÌAnsweróó:€€The€300€hours€figure€was€intended€to€apply€to€the€process€equipment.€€The€flare€itself€isÐ °"  Ðnot€a€piece€of€process€equipment.€€A€flare€is€a€control€device€which€is€used€to€comply€with€the€rule'sÏrequirement€for€a€piece€of€process€equipment€(e.g.,€a€storage€vessel€or€process€vent).€€The€questionÏis€"Is€the€flare€being€used€to€comply€with€the€rule?"€€Section€63.640(d)(3)€is€not€relevant.€€The€flareÏmay€never€be€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€requirements.€ÌÌ18.€€òòQuestionóó:€€A€"Group€1"€process€vent€is€routed€to€a€combustion€device€(heater)€which€meets€theÐ P( #& ÐRefinery€Ô_ÔMACTÔ_Ô€rule€definition€of€a€"boiler."€€The€process€heater€has€a€heat€input€design€capacityÏgreater€than€44€megawatts.€€However,€the€boiler€or€heater€is€not€part€of€the€petroleum€refinery€(i.e.,Ïit€is€not€under€common€control€of€the€owner€or€operator),€but€is€contiguous€to€the€property.€€ClarifyÏthat€there€are€no€monitoring,€Ô_ÔrecordkeepingÔ_Ô,€or€reporting€requirements€for€the€third€party€boilerÏâ âprocess€heater.€Ð -P(+ ÐòòAnsweróó:€€If€the€process€vent€were€under€the€sourceð ðs€control,€then€it€clearly€would€not€be€subject€toÐ ° Ðâ âany€monitoring€requirements€because€its€design€capacity€is€greater€than€44€megawatts.€€The€RefineryÏÔ_ÔMACTÔ_Ô€does€not€have€any€monitoring€requirements€for€boilers€greater€than€44€megawattsÏ(ðð63.644(a)(3)).€€It€is€safe€to€assume€that€the€third€party€would€not€monitor€also.€€This€questionÏpresents€an€interesting€legal€question,€although€we€did€not€receive€any€comments€suggesting€weÏaddress€this€situation€in€the€Refinery€Ô_ÔMACTÔ_Ô€rule.€€A€similar€question€was€raised€in€anotherÏÔ_ÔrulemakingÔ_Ô,€so€we€may€be€able€to€use€a€similar€rationale€to€deal€with€this€situation.€€ÌÌ19.€€òòQuestionóó:€€Clarify€that€sewer€vents€and€sump€drains,€that€are€not€equipment€leaks€or€processÐ 0 € Ðvents,€are€not€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô.€€(Vol.€I,€p.€103).€€Also,€clarify€that€wastewater€drainsÏare€not€process€vents.€Ì€à Š àòòÐ P  ÐAnsweróó:€€€Sewer€vents€and€sump€drains€are€not€process€vents.€€The€definition€of€"process€vents"Ð ð@  Ðspecifically€excludes€sewer€vents€and€sump€drains.€€There€is€also€a€specific€exclusion€in€the€RefineryÏÔ_ÔMACTÔ_Ô€for€wastewater€drains.ÌÌ20.€€òòQuestionóó:€€At€petroleum€refineries,€gas€turbines€are€attached€to€waste„heat€boilers€or€commonÐ ° Ðelectricity€and€steam€generating€devices.€€Such€units€are€typically€fired€with€petroleum€refinery€fuelÏgas,€natural€gas,€or€both.€€The€gas€from€gas€turbines€is€typically€used€to€produce€steam€in€the€wasteÏheat€boiler.€€Clarify€that€a€gas€turbine€generator€is€a€boiler€since€it€is€an€enclosed€combustion€deviceÏused€to€generate€steam€and€does€not€require€performance€testing€or€monitoring/Ô_ÔrecordkeepingÔ_ÔÏrequirements€if€it€is€used€to€control€a€process€vent.€à  àòòÐ `° Ðà Š àÌAnsweróó:€€A€gas€stream€sent€to€the€turbine€is€probably€serving€as€fuel€gas€and,€therefore,€would€beÐ @ Ðexempt€from€the€Refinery€Ô_ÔMACTÔ_Ô€rule.€€However,€this€issue€should€be€clarified€with€your€permittingÏauthority.€€ÌÌ21.€€òòQuestionóó:€€The€definition€of€"miscellaneous€process€vent"€in€the€Refinery€Ô_ÔMACTÔ_Ô€(see€60FRÐ P Ð43265)€refers€to€a€minimum€organic€HAP€concentration€of€20€Ô_ÔppmvÔ_Ô.€€The€definition€of€"Group€1Ïmiscellaneous€process€vent"€refers€to€a€volatile€organic€compound€(Ô_ÔVOCÔ_Ô)€concentration€of€20€Ô_ÔppmvÔ_ÔÏand€Ô_ÔVOCÔ_Ô€emissions€of€33€kilograms€per€day.€€Clarify€whether€the€concentration€and€emission€cutoffsÏare€based€on€HAP€or€Ô_ÔVOCÔ_Ô€for€the€Refinery€Ô_ÔMACTÔ_Ô.€Ìà Š àòòÌAnsweróó:€€There€was€a€correction€to€the€Refinery€Ô_ÔMACTÔ_Ô€on€June€12,€1996€(61€FR€29876)€stating€thatÐ  #ð! Ðthe€concentration€and€emission€rate€are€based€on€organic€HAP€rather€than€total€Ô_ÔVOCÔ_Ô.ÌÌ22.€€òòQuestionóó:€€When€an€overhead€stream€containing€HAP€is€routed€to€a€fuel€gas€system€which€isÐ p&À!$ Ðcombusted€in€a€boiler€or€heater,€is€the€boiler€or€heater€considered€a€control€device€or€processÏequipment?Ìà Š àòòÌAnsweróó:€€If€the€overhead€stream€feeds€to€the€fuel€gas€system,€which€is€combusted€in€a€boiler€orÐ 0*€%( Ðheater,€the€boiler€or€heater€is€considered€process€equipment,€which€is€not€subject€to€monitoringÏrequirements.Ìâ âÐ -P(+ Ð23.€€òòQuestionóó:€€When€a€process€vent€is€routed€to€the€firebox,€not€the€fuel€gas€system€of€a€boiler€orÐ ° Ðâ âheater,€is€the€boiler€or€heater€considered€a€control€device€or€process€equipment?€Ìà Š àòòÌAnsweróó:€€The€boiler€is€not€considered€a€control€device€and€is€not€required€to€be€monitored€€if€it€hasÐ €Ð Ða€design€heat€input€capacity€greater€than€or€equal€to€44€megawatts.€€It€is€only€considered€a€controlÏdevice€if€it€has€a€design€heat€input€capacity€less€than€44€megawatts.ÌÌ24.€€òòQuestionóó:€€Is€routing€a€miscellaneous€vent€gas€stream€to€an€additional€burner€dedicated€for€thatÐ @  Ðpurpose€considered€introducing€the€vent€stream€into€the€flame€zone?€Ìà Š àòòÌAnsweróó:€€Yes€(probably).€€The€most€likely€location€for€a€burner€would€be€in€the€flame€zone€of€theÐ `  Ðfirebox.€Ô#†°XEX X¿Xo…M#ÔÐ P  ÐÌÔ‡¡XEXX°XEÔ25.€€òòQuestionóó:€€Is€Method€22€actually€required€for€flares€serving€process€vents?€€In€ðð63.645(a),€it€saysÐ Ü,  Ðthat€for€demonstrating€compliance€with€the€process€vents€regulations,€ðð63.116€should€be€followedÏexcept€for€ðð63.116(a)(1),€etc.€€It€is€in€ðð63.116(a)(1)€that€Method€22€is€referred€to.€€Does€this€meanÏthat€refineries€using€flares€to€comply€with€the€process€vent€requirements€do€not€have€to€use€MethodÏ22?Ìà Š àòòÌAnsweróó:€€The€rule€does€require€Method€22€to€be€used,€although€it€is€in€an€indirect€manner.€€€It€isÐ d´ Ðrequired€through€ðð63.645(Ô_ÔiÔ_Ô).€€It€is€possible€that€ðð63.645(a)€excludes€ðð63.116(a)(1)€because€paragraphÏ(Ô_ÔiÔ_Ô)€of€ðð63.645€requires€Method€22€testing€for€visible€emissions.€€In€this€rule€the€requirement€for€noÏvisible€emissions€is€only€associated€with€flares.€€It€is€likely€that€ðð63.116(a)(1)€was€excluded€becauseÏthe€requirement€is€already€contained€in€ðð63.645(Ô_ÔiÔ_Ô).ÌÌ26.€€òòQuestionóó:€One€facility€uses€a€flare€as€a€control€device€for€process€vents€that€are€released€to€theÐ ì< Ðflare€only€in€emergency€situations.€€Should€the€facility€test€during€normal€conditions,€which€in€thisÏcase€would€be€with€no€process€vent€gas€venting€to€the€flare€since€it€is€only€used€for€emergencies,€orÏwould€they€be€expected€to€send€the€process€vent€gas€to€the€flare€just€for€the€test?€Additionally,€theÏfacility€was€planning€to€test€the€"sweep€gas"€that€runs€through€the€flare€system€rather€than€the€processÏvent€gas€for€Btu€value€as€required€in€ðð63.111(b)(6).€€The€company€insists€that€the€"sweep€gas"€hasÏa€lower€Btu€value€than€the€process€vent€gas,€which€is€the€limiting€factor€in€ðð63.11(b)(6),€but€it€isn'tÏnecessarily€the€gas€that's€being€regulated€under€the€rule.€€Is€it€acceptable€for€the€facility€to€test€theÏsweep€gas€if€they€can€justify€the€claim€that€the€Btu€value€is€less€than€the€process€vent€gas,€or€shouldÏthey€be€testing€the€process€vent€gas€because€that€is€what€is€regulated€under€the€rule?Ìà Š àòòÌAnsweróó:€€It€seems€that€the€facility€could€test€at€normal€operating€conditions€and€use€the€Btu€valueÐ &`!$ Ðof€the€ð ðsweep€gasðð.€€This€answer€is€based€on€ðð63.643€(a)(1)€which€specifies€that€the€flare€has€to€meetÏthe€conditions€of€ðð63.11(b).€€Thus,€it€is€basically€a€design€or€equipment€standard.€€The€rule€alsoÏrequires€that€testing€shall€be€conducted€under€maximum€representative€operating€capacity€for€theÏprocess€and€that€the€operator€may€test€the€control€devices€at€maximum€or€minimum€representativeÏconditions,€whatever€results€in€lesser€emission€reductions€(see€ðð63.642(d)(3)).€€If€the€facility€canÏshow€that€"sweep€gas€and€the€process€vent€stream"€is€approximately€the€same€as€"sweep€gas"€aloneÏor€that€ð ðsweep€gasðð€alone€would€cause€poorer€destruction€efficiency€in€the€flare,€then€it€seems€thatÏthe€rule€would€allow€them€to€test€with€sweep€gas.€€The€facility€would€likely€need€to€show€byÐ p-À(, Ðcalculation€that€both€the€minimum€Btu€condition€and€the€maximum€Ô_ÔflowrateÔ_Ô€condition€would€notÏbe€adversely€affected.€ÌÌAnother€approach€would€be€for€the€facility€to€argue€that€they€don't€have€to€demonstrate€that€the€flareÏwith€process€vent€gases€meets€the€requirements€of€ðð63.11(b)€because€the€process€vent€is€routed€toÏthis€flare€only€during€periods€of€startup,€shutdown,€or€malfunction.€€The€facility€may€be€able€toÏinclude€venting€to€the€flare€as€part€of€their€startup,€shutdown,€malfunction€plan€(Ô_ÔSSMPÔ_Ô)€required€byÏthe€General€Provisions.€€The€facility€would€then€be€obligated€to€follow€good€practices€and€attemptÏto€minimize€emissions.ÌÌ27.€€òòQuestionóó:€€For€which€process€heaters€and€boilers€are€performance€tests€required€if€process€ventsÐ è 8  Ðare€routed€to€them?Ìà Š àòòÌAnsweróó:€Performance€tests€are€required€for€process€heaters€and€boilers€used€to€control€process€ventsÐ ¬ü  Ðif€they€have€a€capacity€less€than€44€MW€(150€Btu)€and€the€vent(s)€is€not€introduced€into€the€flameÏzone.€€If€the€capacity€of€the€boiler€or€process€heater€is€equal€to€or€greater€than€44€MW€or€all€ventsÏare€introduced€into€the€flame€zone,€a€performance€test€is€not€required.ÌÌ28.€€òòQuestionóó:€When€can€means€other€than€stack€testing€€be€used€to€demonstrate€compliance€with€theÐ H˜ Ðprocess€vent€requirements?Ìà Š àòòÌAnsweróó:€As€discussed€previously,€performance€tests€are€required€if€a€process€vent€is€routed€to€aÐ  \ Ðboiler€or€process€heater€with€a€capacity€less€than€44€MW€and€the€vent€is€not€introduced€into€theÏflame€zone.€€This€performance€test€must€show€that€Ô_ÔHAPsÔ_Ô€are€reduced€by€98€percent€or€to€aÏconcentration€less€than€or€equal€to€20€Ô_ÔppmvÔ_Ô.€€A€similar€performance€test€is€required€if€a€controlÏdevice€such€as€an€incinerator€is€used.€€Testing€is€also€required€if€the€process€vent€is€to€be€controlledÏwith€a€flare€to€ensure€that€the€flare€complies€with€the€requirements€of€ðð63.11(b).€€This€includesÏdesign€measurements€and€calculations€and€a€visible€emissions€test€rather€than€percent€reduction€orÏoutlet€concentration€testing€for€flares.€€Stack€testing€may€be€used€to€determine€if€a€vent€meets€theÏcriteria€for€Group€1€process€vents,€or€this€determination€may€be€made€based€on€engineeringÏjudgement.€Ô#†°XEXX¡XEÉ:#ÔÐ X ¨ ÐÌÔ‡¡XEXX°XEÔ29.€€Are€the€total€organic€HAP€emissions€reductions€in€63.119(e)(1)&(2)€required€for€flares,Ð 0"€  Ðassuming€the€flare€is€in€compliance€with€63.11(b)?ÌÌñA ñò òñA ñAnswer:ñA ñó óñA ñ€€€No.€€€In€63.119(e)(1),€we€explicitly€state€that€if€a€flare€is€used€as€the€control€device,€theÏrequirement€is€for€the€flare€to€meet€the€requirements€in€63.11(b).€€In€other€words,€it€is€a€separateÏrequirement€for€flares€from€other€types€of€control€devices.€€Thus,€there€is€no€requirement€toÏdemonstrate€95%€removal.€€If€a€flare€meets€the€specifications€in€63.11(b),€we€estimate€that€the€flareÏwill€achieve€98%€control.€€€There€is€no€way€to€use€the€regression€equations€in€63.11(b)€to€specify€aÏ95%€efficient€flare.€€ÌÌà Š àFlares€are€not€addressed€in€63.119(e)(2)€because€that€paragraph€concerns€a€grandfather€provisionÏfor€devices€that€do€not€meet€95%€removal.€€€We€did€not€include€flares€in€that€paragraph€because€theÏissue€arose€for€condensers€and€Ô_ÔadsorbersÔ_Ô.€€The€effect€of€the€rule€language€is€to€exclude€flares€fromÏthe€grandfather€provision€in€63.119(e)(2).Ô#†°XEXX¡XEP#ÔÐ  ,.|)- Ðà@111ìàLEAK€DETECTION€AND€REPAIRˆÌÌ1.€€òòQuestionóó:€€Must€a€source€have€prior€written€EPA€approval€before€opting€to€use€the€Ô_ÔMACTÔ_Ô€Ô_ÔNSPSÔ_ÔÐ ˆØ ÐÔ_ÔLDARÔ_Ô€Skip€Monitoring€provision€citation€or€must€the€source€simply€document€the€percentageÏleakers?€€€€Ìà Š àòòÌAnsweróó:€€My€interpretation€is€that€you€are€not€required€to€have€prior€written€EPA€approval.€€If€youÐ 8 ˆ Ðstate€in€your€compliance€demonstration€document€that€you€performed€your€initial€monitoring,Ïshowed€your€compliance€demonstration,€and€then€showed€your€percent€leakers,€you€can€continuouslyÏdocument€through€the€semiannual€reports€your€percent€leakers€and€your€monitoring€frequency.€€YouÏmay€want€to€make€reference€to€your€monitoring€frequency€in€this€report.€€However,€keep€in€mind€thatÏunder€Title€V€if€you€change€the€frequency€of€your€monitoring,€that€might€be€construed€as€aÏmodification€unless€you€wrote€your€Title€V€permit€initially€specifying€that€you€are€going€to€be€usingÏÔ_ÔNSPSÔ_Ô€Ô_ÔLDARÔ_Ô€Skip€Monitoring€Provisions€as€your€compliance€option€and€that€you€will€be€usingÏalternating€monitoring€frequencies€depending€on€the€percent€leakers€that€you€demonstrate.€€PlanÏahead€of€time€how€you€are€going€to€be€using€the€skip€monitoring,€because€otherwise€it€could€beÏinterpreted€that€you€are€reducing€your€monitoring€frequency€which€requires€a€Title€V€modification.€ÏÌI€recall€that€the€Ô_ÔNSPSÔ_Ô€requires€a€notification€to€the€State€or€the€Regional€office€that€the€source€isÏchanging€to€this€frequency.€€I€do€not€remember€if€that€requirement€was€taken€out€of€the€RefineryÏÔ_ÔMACTÔ_Ô€standard€or€if€they€still€have€to€send€in€a€notice€saying€that€this€change€is€being€made.€€ItÏmight€be€able€to€be€included€with€the€semiannual€report.€€And€just€in€case€you€have€not€been€Ô_ÔNSPSÔ_ÔÏmonitoring,€the€semiannual€reports€that€I€have€seen€from€facilities€subject€to€the€Benzene€EquipmentÏLeaks€Ô_ÔNESHAPÔ_Ô€(40€Ô_ÔCFRÔ_Ô€61,€Subpart€J)€and€almost€every€piece€of€information€I€have€from€theÏchemical€industry€shows€that€most€people€are€qualified€for€annual€monitoring€after€a€year€or€so.€€SoÏyou€would€want€to€plan€ahead€to€be€able€to€use€less€frequent€monitoring.Ìà Š àà ` àà ¸ àÌ2.€€òòQuestionóó:€€Can€you€use€existing€leak€monitoring€data€to€qualify€for€less€frequent€monitoring€ofÐ ”ä Ðvalves?€€€€Ìà Š àòòÌAnsweróó:€€Monitoring€data€from€previous€Ô_ÔLDARÔ_Ô€programs€for€valves€generated€before€August18,Ð X ¨ Ð1995€can€be€used€to€qualify€for€less€frequent€monitoring€of€valves€under€the€Refinery€Ô_ÔMACTÔ_Ô.€€InÏorder€to€be€used,€the€monitoring€data€must€have€been€obtained€from€Ô_ÔLDARÔ_Ô€monitoring€proceduresÏstated€in€40Ô_ÔCFRÔ_Ô60,€subpartÔ_ÔVVÔ_Ô,€ðð60.485(b)€or€40Ô_ÔCFRÔ_Ô63,€subpartH,€ðð63.180(b)(1)€through€(b)(5)Ïor€procedures€that€include€only€minor€departures€from€those€in€40Ô_ÔCFRÔ_Ô60€subpart€Ô_ÔVVÔ_Ô€or€40€Ô_ÔCFRÔ_Ô63Ïsubpart€H.Ìà Š àÌÔ& ° Ô3.€€òòQuestionóó:€€Can€you€select€the€Ô_ÔNSPSÔ_Ô€or€modified€HON€method€by€process€unit,€or€must€you€useÐ Ì&"% Ðonly€one€method€for€the€entire€refinery?€€€€Ìà Š àòòÌAnÔ'°Ì&¹bÔsweróó:€€I€think€we€discussed€this€question€at€length€as€the€Rule€was€developed€and€the€conclusionÐ )à$( Ðwas€that€you€would€be€allowed€to€use€the€Ô_ÔNSPSÔ_Ô€method€on€one€unit€and€the€modified€HON€methodÏon€another€unit.€€Therefore,€both€methods€can€be€used€for€different€pieces€of€equipment€at€a€refinery;Ïhowever,€using€both€methods€would€make€the€monitoring€program€more€complicated.€Ìà Š àÌ4.€€òòQuestionóó:€€Can€a€leak€repair€be€checked€by€Method€21€instead€of€soap€bubbles?€€€€Ð ,.|)- ÐòòAnsweróó:€€Yes.€€The€idea€of€using€the€soap€bubble€€method€was€for€people€who€do€not€want€to€useÐ ° ÐMethod€21€just€to€check€the€effectiveness€of€repair.€€The€soap€bubble€method€was€viewed€as€aÏquicker€method€to€use€than€Method€21.Ìà Š àÌ5.€€òòQuestionóó:€€Will€South€Coast€Ô_ÔAQMDÔ_Ô€Rule€1173,€which€is€a€Ô_ÔVOCÔ_Ô€rule€for€equipment€leaks,€satisfyÐ `° Ðthe€alternative€standards€for€Ô_ÔMACTÔ_Ô€equipment€leaks?€€€€Ìà Š àòòÌAnsweróó:€€Yes€and€no.€€Yes,€because€Rule€1173€has€broader€coverage€because€it€is€a€Ô_ÔVOCÔ_Ô€rule.€Ð $ t ÐHowever,€no,€because€Rule€1173€may€not€apply€to€streams€that€have€5€percent€HAP,€because€theÏHAP€may€not€be€Ô_ÔVOCÔ_Ô.€€Also,€Rule€1173€does€not€contain€some€of€the€provisions€of€the€FederalÏprogram.€€Please€note€that€the€Western€States€Petroleum€Association€is€currently€undertaking€aÏproject€to€compare€the€petroleum€industry€final€Ô_ÔMACTÔ_Ô€rules€(i.e.,€the€rules€for€refineries,€theÏgasoline€distribution€sources,€and€marine€vessel€loading)€to€the€California€Ô_ÔVOCÔ_Ô€control€technologiesÏto€see€where€the€rules€mesh€and€where€the€gaps€are.€€à p àThe€Health€and€Safety€Code€inÐ ¬ü  ÐCalifornia€was€modified€such€that€all€the€Ô_ÔMACTÔ_Ô€rules€that€are€promulgated€by€the€EPAÏautomatically€become€"California€Air€Ô_ÔToxicsÔ_Ô€Control€Measures"€to€be€enforced€by€the€districtsÏdirectly€without€the€districts€having€to€adopt€the€measures.€€So€once€a€Ô_ÔMACTÔ_Ô€rule€is€final,€theÏdistricts€automatically€have€the€authority€to€enforce€it.ÌÌThis€approach€is€also€being€considered€for€other€areas€of€California€and€there€is€a€task€force€that€isÏworking€in€California€with€Region€9€and€the€State€to€try€to€work€through€some€of€the€issues€ofÏdelegation€of€the€Air€Ô_ÔToxicsÔ_Ô€Program€and€meshing€the€Federal€Air€Ô_ÔToxicsÔ_Ô€Program€with€existingÏlocal€district€rules.ÌÌ6.€€òòQuestionóó:€€Are€there€any€requirements€or€standards€for€drains€under€the€Ô_ÔMACTÔ_Ô€rules?€€€Ð Ð  Ðà Š àòòÌAnsweróó:€€There€could€be€some€confusion€because€of€the€terminology.€€Drains€are€not€regulated€underÐ ¨ø Ðthe€Federal€equipment€leak€rules.€€Those€rules,€as€drafted,€refer€to€specific€pieces€of€equipment€andÏdrains€are€not€one€of€them.€€Regulated€equipment€includes€pumps,€valves,€compressors,€etc.€€As€farÏas€the€Federal€rules€are€concerned,€these€rules€apply€primarily€to€losses€of€process€fluids€through€sealÏlosses.€€€€ÌÌHowever,€some€programs€may€refer€to€drains€as€being€sources€of€fugitive€emissions.€€For€exampleÏÔ_ÔCTGÔ_Ô's€generally€refer€to€drains€as€equipment€leaks.€€As€a€result,€some€States€have€adopted€drainÏrequirements€under€their€fugitive€emissions€rules.ÌÌSome€of€the€old€Ô_ÔCTGÔ_Ô's€are€out„of„date€and€the€EPA€has€no€mechanism€for€withdrawing€somethingÏlike€that.€€People€looking€at€something€from€1977€or€1978€need€to€ask€themselves,€has€there€beenÏa€subsequent€document€issued€by€the€Agency€that€in€essence€overturns€what€was€in€that€document?€ÏIn€the€Ô_ÔCTGÔ_Ô€for€equipment€leaks€(EPA„450/2„78„036,€June€1978),€there€is€a€lot€of€material€about€leakÏdetection€and€repair€on€compressor€seals.€€There€is€no€point€in€sending€people€out€to€monitorÏcompressor€seals€on€a€quarterly€basis.€€With€many€of€the€old€documents,€you€need€to€evaluateÏwhether€their€requirements€make€sense€in€light€of€subsequent€rules€and€documents.€€à Ð àÐ h+¸&* Ðâ âÐ T,¤'+ ÐState€regulators€have€difficulty€finding€the€initiative,€time,€and€resources€to€go€through€and€makeÏsuch€changes.€€For€years,€States€have€been€developing€rules€based€on€those€old€Ô_ÔCTGÔ_Ô's,€and€I€hopeÏthey€are€being€updated€to€reflect€current€information.Ìâ âà Š àÌ7.€€òòQuestionóó:€€Which€document€contains€the€latest€leak€emission€factors€and€correlation€equations?€Ð `° Ѐ€ÌòòAnsweróó:€€The€latest€leak€emission€factors€and€correlation€equations€that€were€fully€reviewed€andÐ 8 ˆ Ðapproved€by€the€EPA€can€be€found€in€the€ð ðProtocol€for€Equipment€Leak€Emission€Estimatesðð,€EPA„¼453/R„95„017,€November1995,€which€was€placed€on€the€bulletin€board€in€February€of€1996.ÌÌThe€API€is€developing€a€two„part€document€that€provides€guidance€on€how€to€perform€the€emissionsÏmonitoring€and€how€to€use€the€equipment€leak€data.€€The€API€document€also€quotes€all€the€new€leakÏemission€factors€and€correlation€equations€as€they€pertain€to€the€petroleum€industry.€€The€APIÏdocument€will€contain€new€emission€factors€for€heavy€liquid€service€in€refineries.€€These€factorsÏhave€not€yet€been€fully€reviewed€and€approved€by€the€EPA.€€The€API€has€not€revised€the€emissionÏfactors€for€refineries,€just€the€correlation€equations.€€The€emission€factors€have€been€revised€only€forÏgasoline€marketing€and€for€exploration€and€production€operations.€€There€is€no€requirement€for€leakÏdetection€and€repair€for€equipment€in€heavy€liquid€service€in€refineries€and,€therefore,€there€is€no€wayÏto€generate€the€screening€data€that€is€required€to€use€the€correlation€equations.€€Therefore,€API€hasÏdeveloped€a€new€data€set€and€new€emission€factors.€€These€new€factors€have€not€been€reviewed€orÏfully€approved€by€the€EPA,€but€will€appear€in€the€API€guidance€document.€€So€maybe€by€the€timeÏthe€API€guidance€documents€are€issued,€the€EPA€will€already€have€a€chance€to€look€at€these€newÏdata.€€If€you€need€emission€factors€right€away,€the€data€that€appeared€on€the€Ô_ÔTTNÔ_Ô€bulletin€board€inÏFebruary€of€1996€are€the€best€to€use€at€this€time.Ìà Š àÌ8.€€òòQuestionóó:€€Which€reference€instruments€are€approved€for€leak€detection€testing?€€Ð ¼  ÐÌòòAnsweróó:€€There€are€no€reference€instruments€approved€specifically€for€leak€detection€testing.€€TheÐ ”ä ÐEPA€uses€Method€21€(40€Ô_ÔCFRÔ_Ô€60,€Appendix€A)€as€a€reference€method,€which€has€performanceÏspecifications€that€the€instruments€must€meet€in€order€to€be€used€when€conducting€this€Method.€€IfÏan€instrument€meets€the€performance€specifications€of€Method€21,€that€instrument€is€approved€forÏleak€detection€testing.€€The€API€document€will€also€specifically€highlight€those€requirements€andÏmay€compare€a€few€of€the€most€prevalent€instruments€on€the€market.€€Ìà Š àòòÌóó9.€€òòQuestionóó:€€In€order€to€fix€a€valve,€one€must€flare€gas€that€incidentally€contains€sulfur€compoundsÐ $X" Ðand€produces€SOòò2óó€in€quantities€exceeding€the€amount€of€Ô_ÔVOCÔ_Ô€produced€by€the€leak.€€When€decidingÐ ô$D # Ðwhether€or€not€emissions€from€repairs€will€exceed€emissions€from€leaks€(in€the€context€of€theÏjustifying€the€delay€of€repair),€are€pollutants€other€than€Ô_ÔVOCÔ_Ô€taken€into€account?€€€€ÌÌòòAnsweróó:€€The€Refinery€Ô_ÔMACTÔ_Ô€is€not€a€Ô_ÔVOCÔ_Ô€rule€but€a€HAP€rule,€so€the€emphasis€should€be€on€theÐ ¤(ô#' Ðvolatile€organic€hazardous€air€pollutants€when€deciding€whether€the€emissions€from€the€leak€exceedÏthose€that€might€be€controlled€by€repairing€the€leak.€€The€analysis€of€net€emissions€should€be€Ô‡¡XEXX°XEÔvolatileÐ |*Ì%) Ðorganic€hazardous€air€pollutantsÔ#†°XEXX¡XE–ƒ#Ô„based€and€not€criteria€pollutant-based€(SOòò2óó€or€Ô_ÔVOCÔ_Ô).Ð h+¸&* Ðâ âà Š àÐ T,¤'+ Ð10.€€òòQuestionóó:€€Regarding€the€Subpart€Ô_ÔVVÔ_Ô,€Ô_ÔMACTÔ_Ô,€Ô_ÔNSPSÔ_Ô€choice,€are€pressure€relief€vents€(Ô_ÔPRVÔ_Ôððs)Ð ° Ðsubject€to€non„detect€limits€less€than€500€Ô_ÔppmÔ_Ô€if€connected€to€a€closed€vent€system€or€fuel€gasÏsystem?€€€€à ` àòòÐ ˆØ Ðâ âà Š àÌAnsweróó:€€The€EPA€specifically€stated€in€the€definitions€for€the€Refinery€Ô_ÔMACTÔ_Ô€Rule€that€the€fuelÐ `° Ðgas€system€is€not€a€control€device.€€Therefore,€all€the€piping€and€the€Ô_ÔductingÔ_Ô€that€goes€into€the€fuelÏgas€system€is€not€a€closed€vent€system.€€Therefore,€if€it€is€not€a€closed€vent€system,€it€is€not€subjectÏto€the€closed€vent€system€requirement.€€However,€if€the€Ô_ÔPRVÔ_Ô's€are€routed€by€a€traditional€closed€ventÏsystem€to€something€other€than€a€fuel€gas€system,€then€that€closed€vent€system€could€be€subject€toÏthe€non„detect€limit€(<500€Ô_ÔppmÔ_Ô).ÌÌWhen€we€prepared€the€Refinery€Ô_ÔMACTÔ_Ô€Rule,€we€also€amended€Subpart€Ô_ÔVVÔ_Ô.€€If€you€use€hardÏtraditional€ANSI€piping,€that€is€not€subject€to€anything€but€a€one„time€check.€ÌÌThe€Refinery€Ô_ÔMACTÔ_Ô€rule€distinguishes€between€Ô_ÔductingÔ_Ô€and€hard€pipe€systems,€and€has€differentÏmonitoring€requirements€for€each€type€of€system.€€You€should€look€at€the€definitions€carefully,Ïbecause€the€EPA€has€made€an€effort€to€minimize€the€burden€of€the€closed€vent€system€requirementsÏby€delineating€what€is€a€Ô_ÔductingÔ_Ô€system.€€Ìà Š àÌ11.€€òòQuestionóó:€€Is€leak€monitoring€required€under€either€Ô_ÔNSPSÔ_Ô€or€Ô_ÔSOCMIÔ_Ô€HON€Ô_ÔMACTÔ_Ô€options€forÐ 4„ Ðnegative€pressure€systems?€€€€ÌÌòòAnsweróó:€€No.€€Monitoring€is€not€required€for€vacuum€systems.Ð øH Ðà Š àÌòòóó12.€€òòQuestionóó:€€Is€the€refining€industry€required€to€test€all€streams€for€HAP€content?€€In€our€refineryÐ Ð  Ðwe€have€limited€analysis€for€HAP€contents€on€various€streams.€€€€à È àÐ ¼  Ðà Š àòòÌAnsweróó:€€The€requirement€is€to€apply€leak€detection€and€repair€for€all€streams€that€contain€over€5Ð ”ä Ðpercent€HAP.€€If€you€want€to€exempt€a€stream,€you€have€to€demonstrate€that€it€could€never€be€aboveÏ5€percent€HAP€on€an€annual€average€basis.€€So€one€simple€answer€is€you€do€not€need€to€know€whatÏthe€HAP€content€is€if€you€are€willing€to€do€the€leak€detection€and€repair€program€on€all€the€streamsÏand€assume€that€any€one€of€them€or€combination€of€them€can€at€any€time€be€over€5percent€HAP.€ÏOtherwise,€analysis€is€required€unless€you€can€show€by€engineering€judgment€that€you€can€accountÏfor€at€least€98€percent€of€the€species€in€the€stream€of€interest.Ìà Š àÌ13.€€òòQuestionóó:€€How€are€instrument€systems€regulated€under€the€equipment€leaks€provision€(i.e.,€sightÐ ô$D # Ðlevels,€sight€glasses,€and€meters)?€€€€Ìà Š àòòÌAnsweróó:€€The€answer€is€unclear€because€we€coined€a€term€ð ðinstrumentation€systemðð€that€is€used€inÐ ¸'#& ÐSubpart€H€to€deal€with€collections€of€small€valves€and€connectors,€etc.€to€provide€a€more€practicalÏway€to€deal€with€such€items.€€Regarding€sight€levels,€sight€glasses,€and€meters,€I€do€not€think€suchÏitems€are€covered€under€any€rule.€€However,€any€valves€and€connections€associated€with€those€itemsÏwould€be€covered.€€Therefore,€Subpart€H,€Subpart€Ô_ÔVVÔ_Ô€and€all€the€older€equipment€leak€rulesÏbasically€treat€all€valves€and€connectors€equal€regardless€of€size.Ìâ âÐ @-(, Ð14.€€òòQuestionóó:€€Do€sight,€smell,€and€sound€inspections,€and€the€weekly€visual€inspection€for€drippingÐ ° Ðâ âpumps,€require€written€documentation?€€Could€this€be€encompassed€in€the€operator's€duties€withoutÏrequiring€documentation?€€€Ìà Š àòòÌAnsweróó:€€The€operator€should€have€a€complete€list€of€the€components€that€need€to€be€inspected,€andÐ `° Ðthere€should€be€a€system€of€check€marks€to€show€that€they€have€checked€each€component€andÏwhether€or€not€it€was€leaking.€€It€does€not€have€to€be€a€separate€person€and€it€does€not€even€have€toÏbe€a€separate€form,€but€it€has€to€be€an€identifiable€item€on€an€operatorððs€log.€€ÌÌ15.€€òòQuestionóó:€€A€pump€is€tested€and€found€to€be€leaking€on€day€0.€€On€day€10,€the€pump€is€isolatedÐ ü L  Ðfrom€the€process€and€the€pump€is€sent€offsite€for€repair.€€The€repaired€pump€is€placed€back€in€serviceÏon€day€20€and€found€to€still€leak€(the€offsite€repair€failed).€€Is€this€considered€an€automatic€violation?€ÏDid€the€15„day€clock€stop€on€day€10,€the€day€the€pump€was€isolated,€and€then€restart€on€day€20,€theÏday€the€repaired€pump€was€placed€back€in€service,€or€is€this€a€new€leak?€€Ìà Š àòòÌAnsweróó:€€I€do€not€want€to€make€technical€compliance€judgments€for€other€companies,€but€I€wouldÐ „Ô  Ðsay€that€on€day€10€when€you€isolated€the€pump€from€the€process€and€removed€it€from€service,€thatÏyou€fixed€the€leak€that€you€found€on€day€0€(because€you€removed€the€leaking€component).€€If€youÏhad€a€spare€pump,€maybe€you€put€that€pump€in€service€or€perhaps€you€isolated€that€whole€part€of€theÏprocess€so€that€you€did€not€need€to€use€a€pump.€€When€you€returned€10€days€later€with€the€pump€andÏinstalled€it,€for€all€practical€purposes€it€could€have€been€the€same€pump€or€a€similar€pump€that€doesÏthe€same€service.€€In€my€judgment,€I€would€call€this€a€new€leak€and€not€an€automatic€violation.€€OneÏof€the€reasons€the€EPA€has€required€the€quality€improvement€program€if€you€have€more€than€10Ïpercent€of€the€pumps€leaking€is€just€because€of€cases€like€this.€€They€want€to€ensure€that€once€youÏrepair€a€pump,€you€test€it€somehow€offline€before€you€put€it€back€into€the€process€to€ensure€that€theÏrepair€was€successful.€€If€the€repair€was€not€successful,€you€should€try€to€analyze€the€nature€of€theÏrepair€in€terms€of€what€made€it€leak€again€so€soon.Ìà Š àÌ16.€€òòQuestionóó:€€Has€the€EPA€required€that€foam€be€injected€into€a€valve€to€repair€a€leak€rather€thanÐ €Ð Ðwait€until€the€next€shutdown?€€Apparently,€this€is€a€common€practice€in€some€local€districts€forÏsafety€reasons.€€However,€it€evidently€ruins€the€valve€since€you€have€to€drill€a€hole€to€inject€the€foam.€Ï€€Ì€òòAnsweróó:€€The€EPA€has€never€required€foam€injection€for€repairing€equipment€leaks.€€The€rulesÐ 0"€  Ðspecify€that€there€has€to€be€a€first€attempt€at€repair€within€a€certain€time€period,€but€do€not€specifyÏwhat€the€mechanism€of€the€repair€should€be.€€In€some€areas€where€there€are€strict€leak€detection€andÏrepair€programs€and€leaking€components€are€an€automatic€violation€if€not€repaired€within€24€hours,Ïsome€people€have€used€foam€injection€to€repair€leaks.€€This€practice€is€not€required€by€the€EPA.Ìà Š àÌ17.€€òòQuestionóó:€€If€you€opt€to€use€the€modified€HON€option€for€Ô_ÔLDARÔ_Ô€under€Refinery€Ô_ÔMACTÔ_Ô€insteadÐ ¸'#& Ðof€the€Ô_ÔNSPSÔ_Ô€option,€and€you€have€an€existing€Ô_ÔNSPSÔ_Ô€program€at€a€unit€which€contains€some€streamsÏhaving€less€than€5€percent€of€the€Table€1€HAP,€do€you€need€to€monitor€this€unit€for€Ô_ÔVOCÔ_Ô€inÏaccordance€with€Ô_ÔNSPSÔ_Ô€or€the€applicable€State€regulation?€€ÌÌòòAnsweróó:€€First,€remember€that€the€Ô_ÔLDARÔ_Ô€provisions€of€the€Refinery€Ô_ÔMACTÔ_Ô€Rule€apply€only€toÐ T,¤'+ Ðstreams€that€have€greater€than€or€equal€to€5€percent€of€the€Table€1€HAP.€€There€is€no€Refinery€Ô_ÔMACTÔ_ÔÏÔ_ÔLDARÔ_Ô€applicability€for€steams€that€contain€less€than€5€percent.€€Any€Ô_ÔNSPSÔ_Ô€or€State€regulatoryÐ ,.|)- Ðrequirements€applicable€for€the€control€of€Ô_ÔVOCÔ_Ô€are€independently€applicable€to€those€streams.€€YouÏdo€not€have€to€worry€about€Ô_ÔMACTÔ_Ô€and€you€do€not€have€to€worry€about€the€interaction.ÌÌSecond,€if€the€Ô_ÔNSPSÔ_Ô€catches€some€Ô_ÔVOCÔ_Ô€streams€that€also€contain€greater€than€or€equal€to€5€percentÏof€Table€1€HAP,€then€the€modified€HON€option€can€supersede€that€requirement.€€However,€I€amÏunclear€about€whether€the€modified€HON€Ô_ÔMACTÔ_Ô€option€can€supersede€a€State€Ô_ÔRACTÔ_Ô€basedÏrequirement€to€effect€the€control€of€Ô_ÔVOCÔ_Ô.€€I€would€assume€that€the€State€would€be€amenable€to€thatÏbecause€the€EPA€has€made€a€strong€case€in€the€Ô_ÔMACTÔ_Ô€Rule€that€the€controls€for€Refinery€Ô_ÔMACTÔ_ÔÏare€more€stringent€than€most€other€programs,€but€that€could€be€a€case„by„case€determination.Ìà Š àÌ18.€€òòQuestionóó:€€The€equipment€leak€provisions€require€that€open„ended€lines€be€plugged,€or€at€leastÐ è 8  Ðcapped.€€Someone€had€an€audit€and€found€a€drain€at€the€base€of€a€pump€which,€according€to€theirÏauditor,€should€have€been€plugged.€€The€drains€that€they€have€on€this€pump€are€used€to€drain€waterÏoff€the€pad€or€the€pump€to€the€sewer;€or€in€the€case€of€a€seal€failure,€any€accumulated€liquid€couldÏbe€drained.€€Does€this€drain€meet€the€requirement€to€be€plugged€or€capped?€€€€Ìà Š àòòÌAnsweróó:€€I€am€unclear€about€the€phrasing,€"could€be€drained."€€If€this€drain€is€used€only€for€drainingÐ pÀ Ðrainwater€off€the€base€of€the€pump,€I€would€say€ð ðno,ðð€it€should€not€be€considered€to€be€subject€to€theÏrule.€€The€purpose€of€the€equipment€leak€provisions€is€to€control€emissions€that€would€result€fromÏlosses€of€process€fluids,€and€that€would€not€be€process€fluid.€€Thus,€it€is€unclear€whether€or€not€theÏdrainage€of€the€seal€would€be€subject€to€the€rule.€€Enforcement€people€may€argue€that€it€would€beÏsubject,€because€the€drain€is€used€to€drain€a€seal€fluid€leakage.€€But€because€of€the€phrasing€aboutÏð ðcould€be€drained,ðð€it€sounds€like€it€has€some€Ô_ÔpluggageÔ_Ô€that,€if€it€is€open,€it€is€going€to€drain.€€¼à Š àÌThe€drain's€applicability€may€depend€on€the€type€of€fluid€in€the€seal.€€Is€it€water?€€Is€it€a€water€seal?€ÏAnd€if€in€that€case€you€noticed€drainage,€that€would€be€indication€of€liquid€dripping€and€you€wouldÏjust€institute€a€program€to€repair€that€pump€seal.ÌÌI€would€say€that€those€things€should€not€have€to€be€plugged,€but€Subpart€Ô_ÔVVÔ_Ô€may€not€be€not€clearÏon€this€point.€€In€Subpart€H,€I€believe€we€have€made€it€very€clear€that€drains€of€that€type€are€notÏsubject€to€those€requirements.€€This€drain€does€not€sound€like€it€is€typically€in€process€fluid€service.€ÏThe€other€thing€to€consider€is€the€applicability€of€Subpart€CC€where€it€is€clear€that€equipment€hasÏto€be€in€HAP€service€at€least€300€hours€per€year.€€Are€you€going€to€have€a€pump€seal€failure€for€thatÏduration?€€ÌÌThe€open„ended€line€provision€is€required€because€years€ago€it€was€common€to€have€a€sample€valveÏavailable€to€pull€a€sample€off€the€stream€„„€maybe€not€routinely,€but€occasionally.€€The€valve€wasÏlocated€on€an€open€pipe€at€one€end€and€so€anything€that€was€inside€that€pipe€evaporated.€€And€theÏidea€was,€ð ðDonððt€let€that€stuff€sit€there€and€drain.ðð€€And€if€you€go€back€to€the€original€record€of€theÏequipment€leak€provisions,€youððll€see€how€they€calculated€emissions.€They€took€some€representativeÏsize€of€the€volume€of€the€types€of€lines€that€they€were€observing€in€refineries€and€chemical€plants€andÏassumed€it€was€full€of€fluid€and€that€it€came€out€over€some€time€period.€€The€intention€of€the€open„¼ended€line€provision€was€to€avoid€evaporation€losses€of€residual€material€Ô_ÔclingageÔ_Ô€in€those€pipesÏwhich€are€used€for€sampling€or€some€other€purposes.Ìâ âà Š àÐ @-(, ÐÔ‡¿Xo… XX°XEÔ19.€€òòQuestionóó:€€What€is€the€different€impact€in€the€two€equipment€leak€subgroups€(e.g.,€Phase€I,€II,Ð ° Ðâ âand€III€of€the€HON€and€Ô_ÔNSPSÔ_Ô€provisions)?€€ÌÌòòAnsweróó:€€The€Phase€I,€II,€and€III€provisions€are€the€new€provisions€that€allow€more€flexibility€inÐ €Ð Ðmonitoring,€but€they€have€a€lower€leak€definition.€€€The€Ô_ÔNSPSÔ_Ô€provisions€have€a€higher€leakÏdefinition,€but€require€with€more€frequent€monitoring€initially.€€ÌÌ20.€€òòQuestionóó:€€Please€clarify€whether€connectors€should€be€monitored€under€Subpart€Ô_ÔVVÔ_Ô€orÐ @  ÐModified€Subpart€H€(HON)?€ÌÌòòAnsweróó:€€You€have€an€option€under€the€new€provisions€in€Subpart€H€to€monitor€connectors.€€If€youÐ `  Ðchoose€that€option,€you€get€a€higher€performance€standard€for€valves.€€Connectors€do€not€have€to€beÏmonitored€unless€you€want€the€higher€performance€standard€for€valves.€€However,€under€Ô_ÔSubpartsÔ_ÔÏÔ_ÔVVÔ_Ô€and€H,€you€would€still€have€to€perform€the€sensory€detection€(e.g.,€sight,€sound,€or€smell)Ïmonitoring€for€leaks.€€So€unless€you€elect€the€option€to€monitor€connectors,€you€only€have€toÏperform€the€sensory€detection.ÌÌ21.€€òòQuestionóó:€€If€a€piece€of€affected€equipment€is€in€liquid€service€with€òò>óó5€percent€HAP€but€is€òònotóóÐ  ð Ða€light€liquid,€what€monitoring€is€required€under€Refinery€Ô_ÔMACTÔ_Ô€(all€òò>óó5€percent€HAP€liquids€mayÐ à Ðnot€be€light€liquids)?€€€ÌÌòòAnsweróó:€€If€the€liquid€has€more€than€5€percent€HAP,€but€is€not€considered€a€light€liquid,€then€theÐ `° Ðliquid€is€considered€a€"heavy€liquid."€€Equipment€handling€"heavy€liquids"€is€subject€to€the€sameÏsensory€monitoring€(e.g.,€sight,€sound,€or€smell)€as€connectors.€€ÌÌ22.€€òòQuestionóó:€€If€a€refinery€opts€to€use€the€Ô_ÔNSPSÔ_Ô€for€equipment€leaks€and€then€adds€on€some€newÐ  p Ðprocess€units,€would€those€new€units€have€to€comply€with€the€negotiated€leak€provision€which€is€theÏModified€HON€or€the€Ô_ÔNSPSÔ_Ô?€€€ÌÌòòAnsweróó:€€It€is€unlikely€that€an€existing€refinery€will€trigger€the€new€source€Refinery€Ô_ÔMACTÔ_ÔÐ à0 Ðrequirements.€€Remember€that€the€source,€in€the€broadest€sense€of€the€definition,€is€the€wholeÏrefinery.€€The€source€is€not€the€individual€valve€or€the€individual€component€being€replaced.€ÏHowever,€for€a€new€valve,€new€pump,€or€a€replaced€flange,€all€you€would€have€to€do€is€summarizeÏthe€changes€that€you€made€in€your€equipment€in€your€next€semiannual€report.€€These€new€equipmentÏpieces€will€be€subject€to€the€existing€source€provisions.€€The€only€instance€where€the€new€provisionsÏof€the€Modified€HON€are€required€is€if€you€construct€a€new€process€unit€€that€meets€the€new€sourceÏdefinition.ÌÌ23.€€òòQuestionóó:€€In€the€Ô_ÔNSPSÔ_Ô€Alternative€Standards,€if€a€facility€has€over€2€percent€leakers€(forÐ P( #& Ðequipment€components),€the€facility€is€in€violation€of€the€standards.€€How€many€violations,€one€orÏthe€number€of€valves€leaking€greater€than€the€2€percent€threshold?€ÌÌòòAnsweróó:€€First,€a€facility€cannot€be€in€violation€on€a€per„valve€basis€of€the€2€percent€standard€becauseÐ ,`'* Ðthe€2€percent€value€is€calculated€over€the€population€of€valves€that€the€facility€elected€to€use€in€itsÏcompliance€program.€€If€the€facility€elected€to€use€the€entire€population€of€valves€at€the€refinery€toÐ ð-@), Ðcomply€with€the€2€percent€Ô_ÔNSPSÔ_Ô€option,€then€the€2€percent€value€is€calculated€based€on€the€tens€ofÏthousands€of€valves€that€are€at€the€refinery.€€If€the€facility€elected€to€use€a€process€unit€to€complyÏwith€the€2€percent€Ô_ÔNSPSÔ_Ô€option,€then€the€2€percent€value€is€calculated€based€on€the€number€of€valvesÏin€that€process€unit.€€Although€exceeding€the€2€percent€value€is€considered€only€one€violation,€theÏnumber€of€days€of€violation€could€be€up€to€1€year.€€That€is,€if€a€facility€elected€to€comply€with€theÏ2€percent€Ô_ÔNSPSÔ_Ô€option,€and€its€annual€monitoring€shows€that€it€exceeded€the€2€percent€standard,€theÏAgency€may€view€that€as€being€365€separate€violations.€€€€ÌÌà Š àThe€EPA€does€not€think€any€source€has€ever€elected€to€comply€with€the€Ô_ÔNSPSÔ_Ô€using€the€2€percentÏstandard.€€Also,€remember€that€the€Ô_ÔNSPSÔ_Ô€has€a€skip€period€alternative€that€accomplishes€the€sameÏthing€but€does€not€present€the€legal€jeopardy.ÌÌ24.€€òòQuestionóó:€€If€the€SIP€requires€leak€detection€and€repair€(Ô_ÔLDARÔ_Ô)€for€a€leak€measured€at€500€Ô_ÔppmÔ_Ô,Ð ð@  Ðcan€the€500€Ô_ÔppmÔ_Ô€leak€definition€be€substituted€for€the€Refinery€Ô_ÔMACTÔ_Ô?€Ìà Š àòòÌAnsweróó:€€There€are€provisions€in€the€Refinery€Ô_ÔMACTÔ_Ô€for€an€alternative€standard€or€an€alternativeÐ À Ðemission€limitation€(ðð63.649).€€However,€a€facility€must€notify€the€EPA€when€wanting€to€use€aÏdifferent€means€of€compliance.€€At€that€time,€the€source€and€regulatory€agency€could€also€consolidateÏthe€recording€and€reporting€requirements€through€the€source's€Title€V€permit.ÌÌ25.€€òòQuestionóó:€€The€affected€equipment€for€the€equipment€leak€standards€as€defined€in€the€RefineryÐ pÀ ÐÔ_ÔMACTÔ_Ô€is€valves,€pumps,€compressors,€pressure€release€devices,€sampling€connection€systems,€open„¼ended€valves€or€lines,€and€instrumentation€systems€in€organic€HAP€service€(per€ðð63.641,€EquipmentÏleak).€€Ô_ÔSubpartsÔ_Ô€Ô_ÔVVÔ_Ô€and€H€contain€other€standards€for€agitators,€surge€vessels,€etc.€€Are€these€otherÏequipment€regulated€under€the€Refinery€Ô_ÔMACTÔ_Ô?€€Ìà Š àòòÌAnsweróó:€€First,€if€a€piece€of€equipment€is€not€in€the€Refinery€Ô_ÔMACTÔ_Ô's€definition€of€"emission€point"Ð ` Ð(ðð63.641),€the€piece€of€equipment€is€not€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€rule.€€Second,€Subpart€Ô_ÔVVÔ_ÔÏdoes€not€cover€agitators.€€A€recent€revision€to€the€Refinery€Ô_ÔMACTÔ_Ô€(63FR44135,€August18,€1998)Ïclarified€that€agitators€are€not€included€in€equipment€subject€to€the€equipment€leak€provisions€of€theÏrule.€€€€Subpart€H€covers€agitators,€surge€control€vessels,€and€bottom€receivers,€whereas€Subpart€Ô_ÔVVÔ_ÔÏdoes€not.€€The€Benzene€Equipment€Leak€Rule€(40€Ô_ÔCFRÔ_Ô€61,€Subpart€J)€has€the€term€"productÏaccumulator€vessel,"€which€is€not€covered€in€the€HON.€€It€is€exclusively€covered€in€the€BenzeneÏEquipment€Leak€Rule.€€The€EPA€will€have€to€resolve€this€disconnect.€€A€facility€is€not€subject€toÏstandards€for€agitators,€surge€control€vessels,€or€bottom€receivers€through€the€Refinery€Ô_ÔMACTÔ_Ô€Rule.€ÏYou€may,€however,€have€some€obligations€under€the€Benzene€Equipment€Leak€Rule.€€ÌÌ26.€€òòQuestionóó:€€To€determine€if€equipment€is€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€rule,€where€is€theÐ `'°"% Ðboundary€drawn€for€a€process€unit?€€Are€equipment€leaks€from€outside€a€process€unit€(e.g.,€Ô_ÔoffplotÔ_ÔÏand€connecting€Ô_ÔpipewaysÔ_Ô)€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô?€ÌÌà Š àòòAnsweróó:€€€If€"Ô_ÔoffplotÔ_Ô"€means€outside€of€the€process€unit€boundaries,€but€within€the€source,€theÐ  +p&) Ðprocess€unit€and€equipment€is€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô.€€If€"Ô_ÔoffplotÔ_Ô"€means€the€process€unitÏand€equipment€are€outside€your€source€(i.e.,€not€within€the€property€boundary€of€the€source),€thenÏthe€process€unit€and€equipment€are€not€subject€to€the€rule.€€Currently,€the€EPA€is€consideringÐ ð-@), Ðadditional€provisions€in€the€HON€which€will€allow€people€to€consolidate€equipment€to€allow€moreÏefficient€management€for€the€data.€€The€provisions€have€not€yet€been€proposed;€therefore,€nothingÏis€final€at€this€time.€€ÌÌ27.€€òòQuestionóó:€€Which€regulation€takes€precedence€or€claims€applicability€between€the€Ô_ÔSOCMIÔ_Ô€HONÐ pÀ Ðunit€and€the€Refinery€Ô_ÔMACTÔ_Ô€units,€such€as€in€mixed€aromatic€streams€between€the€reformerÏ(refinery€unit)€and€benzene€splitter€(Ô_ÔSOCMIÔ_Ô€unit)?€Ìà Š àòòÌAnsweróó:€€Admittedly,€where€you€draw€the€boundaries€among€these€units€is€ambiguous.€€When€weÐ 0 € Ðwere€developing€the€HON,€we€deliberately€decided€to€allow€flexibility€regarding€what€equipmentÏis€to€be€regulated€by€which€regulation€to€allow€sources€to€allocate€the€equipment€as€they€manage€it.€ÏAlso,€different€companies€have€different€policies€and/or€approaches€for€managing€equipment.€€WeÏprovided€some€allocation€procedures€for€the€big€equipment.€€For€the€lines€going€between€units,€theÏmain€guidance€we€have€been€giving€people€is€to€apply€the€allocation€procedures€consistently.€€AsÏlong€as€you€allocate€equipment€consistently€we€do€not€think€you€will€have€any€problem€in€complyingÏwith€the€rule.€€You€may€have€to€work€with€your€local€enforcement€agency€to€explain€to€them€yourÏmethodology€and€rationale€for€allocating€equipment.€€You€will€want€to€ensure€that€your€regulatoryÏagency€agrees€with€your€equipment€allocation€method.€€But€there€is€no€reason,€as€far€as€the€RefineryÏÔ_ÔMACTÔ_Ô€or€the€HON€is€concerned,€that€we€should€care€whether€or€not€you€capture€equipment€underÏone€rule€or€the€other.€€Every€company€is€going€to€want€to€allocate€equipment€in€a€way€that€makesÏsense€with€respect€to€their€internal€management,€programs,€and€equipment.€€ÌÌ28.€€òòQuestionóó:€€Once€you€are€in€Phase€III€of€Subpart€H,€the€Modified€Equipment€Leaks€Provisions,Ð P  Ðcan€you€go€back€to€the€Ô_ÔNSPSÔ_Ô?€ÌÌòòAnsweróó:€€Yes,€but€it€will€require€a€permit€revision.€€There€is€nothing€in€the€rule€that€precludes€youÐ  p Ðfrom€resuming€Ô_ÔNSPSÔ_Ô€monitoring€and€Ô_ÔrecordkeepingÔ_Ô.€€However,€some€may€consider€revising€theÏpermit€to€be€a€lot€of€complication€for€a€minor€benefit.ÌÌ29.€€òòQuestionóó:€€Can€the€EPA€clarify€who€has€to€sign€the€"Need€for€Delay€of€Repair"€for€leakingÐ à0 Ðcomponents?€€Ìà Š àòòÌAnsweróó:€€A€recent€revision€to€the€rule€(63FR44135,€August18,€1998)Ô#†°XEX X¿Xo…Õ´#ÔÔ‡¿Xo… XX°XEÔ€requires€that€the€name€of€theÐ °"  Ðperson€making€the€decision€to€delay€equipment€leak€repairs€be€recorded€instead€of€requiring€aÏsignature.Ì€€Ì30.€€òòQuestionóó:€€Why€does€the€Ô_ÔNSPSÔ_Ô€not€allow€skip€monitoring€of€pumps€if€they€meet€certainÐ p&À!$ Ðperformance€criteria€(i.e.,€similar€to€the€valve€monitoring)?€€Can€this€be€revised?€€ÌÌòòAnsweróó:€€The€skip€program€for€pumps€was€introduced€in€the€refinery€rule€as€a€result€of€discussionsÐ @)$' Ðbetween€API€and€the€EPA€during€the€development€of€the€rule.€€Current€data€showed€that€there€areÏfacilities€where€very€few€pumps€were€leaking,€so€the€logical€question€was€"Does€it€make€sense€toÏrequire€monthly€screening€of€each€and€every€pump?"€€The€Ô_ÔNSPSÔ_Ô€was€based€on€work€performed€inÏthe€late€1970ð ðs,€when€mechanical€packed€pumps€were€more€prevalent€than€centrifugal€pumps.€€SoÐ -P(+ Ðat€that€time,€the€EPA€thought€it€made€sense€to€require€monthly€monitoring.€€Based€on€longer€termÐ ð-@), Ðexperience€with€this€program€and€new€information,€the€EPA€decided,€through€discussions€with€API,Ïto€see€the€public's€reaction€to€allowing€quarterly€monitoring€for€pumps.€€Ìò òÌà Š àó óPlease€note€that€EPA€does€allow€skip€monitoring€for€pumps,€but€only€if€the€modified€Subpart€HÐ €Ð Ðprovision€are€selected.ÌÌ32.€€òòQuestionóó:€€Does€equipment€have€to€be€designed€in€a€specific€way€in€order€to€be€classified€asÐ P   Ðhaving€"No€Detectable€Emissions"€or€can€this€just€be€verified€by€monitoring?€Ìà Š àòòÌAnsweróó:€€There€are€three€criteria€for€determining€if€components€can€be€classified€as€having€"NoÐ  p  ÐDetectable€Emissions."€€As€stated€in€ðð60.482„2(e),€et€al.€of€40€Ô_ÔCFRÔ_Ô€60,€Subpart€Ô_ÔVVÔ_Ô;€first,€theÏcomponent€has€to€have€no€externally€actuated€mechanism€in€contact€with€the€process€fluid.€€Second,Ïthe€component€must€be€operated€with€emissions€less€than€500€Ô_ÔppmÔ_Ô€above€background.€€Third,€theÏcomponent€must€be€tested€for€compliance€with€the€500€Ô_ÔppmÔ_Ô€limit€initially€upon€designation,€and€thenÏannually€and€at€other€times€as€requested€by€the€Administrator.€€So€a€component€classified€as€havingÏ"No€Detectable€Emissions"€is€not€completely€exempt€from€monitoring.Ì€Ì33.€€òòQuestionóó:€€Can€a€facility€use€both€the€Ô_ÔNSPSÔ_Ô€and€the€modified€HON€at€the€same€time?€Ð  ð Ðà Š àòòÌAnsweróó:€€Yes,€if€you€are€willing€to€try€to€keep€track€of€two€separate€programs.€€€€Ð €Ð ÐÌ34.€€òòQuestionóó:€€Can€a€facility€go€back€and€forth€on€computing€leakers€based€on€process€units€versusÐ `° Ðthe€entire€the€refinery?€€For€example,€for€the€first€quarter,€use€2€percent€leakers€for€process€units,Ïthen€the€second€quarter€use€2€percent€leakers€for€the€refinery?€€Can€the€same€logic€be€used€for€valvesÏor€pumps?€Ìà Š àòòÌAnsweróó:€€Yes,€but€once€you€start€moving€from€the€process€unit„based€standard€to€the€refinery„wideÐ ` Ðstandard,€you€would€have€to€modify€the€permit.€€For€the€example€given€here,€it€is€uncertain€whetherÏa€facility€could€get€its€permit€changed€every€quarter.ÌñB ñÌñB ñÌ35.€€òòQuestionóó:€€Can€a€facility€use€different€compliance€methods€within€the€same€process€unit€(e.g.,Ð Ð  Ðone€for€valves€and€another€for€pumps)?€Ìà Š àòòÌAnsweróó:€€No.€€Process€units€are€the€smallest€size€unit€allowed€for€selecting€compliance€methods.€€Ð  #ð! ÐÌ36.€€òòQuestionóó:€€If€a€vapor€stream€having€òòlessóó€than€5€percent€HAP€results€from€a€liquid€flash,€and€theÐ €%Ð # Ðliquid€is€òògreateróó€than€5€percent€HAP,€is€this€vapor€stream€a€HAP€fluid?€Ð p&À!$ ÐÌà Š àòòAnsweróó:€€The€5€percent€HAP€requirement€applies€to€the€liquid€in€the€line€itself,€not€to€the€vaporÐ P( #& Ðstream€emitting€out€of€the€leak.€€However,€if€the€fluid€inside€the€line€has€both€vapor€and€liquid€(i.e.,Ïa€two„phase€flow),€the€fluid€would€be€an€aggregate€of€the€vapor€and€liquid.€€Do€not€apply€the€5Ïpercent€HAP€criterion€to€each€individual€phase,€apply€the€5€percent€HAP€criterion€to€the€aggregateÏmixture.Ìâ âÐ -P(+ Ð37.€€òòQuestionóó:€€For€equipment€leak€options,€what€are€the€criteria€for€deciding€between€the€Ô_ÔNSPSÔ_Ô€vs.Ð ° Ðâ âthe€Modified€HON?€€Do€you€have€any€guidance€and€cost€comparisons?€€What€is€the€key?€Ìà Š àòòÌAnsweróó:€€Regarding€cost,€there€is€probably€no€one€answer€because€cost€depends€on€so€many€things,Ð €Ð Ðespecially€a€facility's€location.€€Obviously,€there€will€be€a€big€difference€in€compliance€costs€betweenÏa€refinery€in€California€and€a€refinery€in€an€attainment€area€that€does€not€have€any€programs€toÏcomply€with€other€than€Ô_ÔNSPSÔ_Ô.€€ÌÌThe€key€as€to€which€equipment€leak€option€to€select€should€be€based€on€data€(e.g.,€screening€andÏmonitoring€results,€regulations€that€apply,€etc.).€€Performing€screening€and€monitoring€and€knowingÏthe€existing€regulations€in€your€area€is€key,€especially€in€locations€that€do€not€have€any€currentÏmonitoring€programs.€€If€you€wait€until€1998€when€some€of€these€dates€apply€to€begin€monitoring,Ïyou€will€never€have€the€data€you€need€to€determine€which€equipment€leak€option€is€right€for€yourÏfacility.€€You€should€start€gathering€those€data€now,€or€as€soon€as€possible,€to€understand€what€theÏramifications€are€for€complying€with€the€different€equipment€leak€options.€€ÌÌ38.€€òòQuestionóó:€€Why€monitor€heavy€liquid€components€at€10,000€Ô_ÔppmÔ_Ô€(Ô_ÔNSPSÔ_Ô)€when€maximumÐ ° Ðconcentration€can€only€be€approximately€3,000€Ô_ÔppmÔ_Ô€(based€on€vapor€pressure).€€ÌÌòòAnsweróó:€€You€do€not€have€to€monitor€heavy€liquid€components€using€an€instrument.€€The€heavyÐ €Ð Ðliquid€components€require€sensory€detection€where€you€either€look€or€hear€or€smell€for€a€leak.€€YouÏonly€have€to€do€the€monitoring€if€you€detect€a€leak.€ÌÌ39.€€òòQuestionóó:€€Why€is€the€leak€definition€for€control€vent€systems€(Ô_ÔCVSÔ_Ô),€pressure€relief€devicesÐ @ Ð(Ô_ÔPRDÔ_Ô),€and€"No€Detectable€Emissions"€not€doubled€to€1,000€Ô_ÔppmÔ_Ô€since€most€leak€definitions€areÏtwice€as€high€as€Ô_ÔSOCMIÔ_Ô€HON€(1,000€Ô_ÔppmÔ_Ô€versus€500€Ô_ÔppmÔ_Ô).€€ÌÌòòAnsweróó:€€The€"No€Detectable€Emissions"€definition€is€in€many€EPA€regulations.€€This€terminologyÐ P Ðis€an€artifact€from€the€Ô_ÔNSPSÔ_Ô€which€was€defined€based€on€spanning€the€instrument€maximum€(100Ïpercent)€at€10,000€Ô_ÔppmÔ_Ô€and€assuming€"No€Detectable€Emissions"€is€no€more€than€5€percent€of€spanÏ(or€500€Ô_ÔppmÔ_Ô).€€You€can€have€a€component€meeting€the€"No€Detectable€Emissions"€limit€at€anotherÏlevel€if€you€spanned€your€instrument€at€a€different€concentration.€€Currently,€the€only€place€whereÏthe€EPA€is€using€this€terminology€is€in€the€closed€vent€systems€provisions€in€Subpart€Ô_ÔVVÔ_Ô,€SubpartÏÔ_ÔGGGÔ_Ô,€and€Subpart€KKK.€€ÌÌ40.€€òòQuestionóó:€€For€random€monitoring€of€200€connectors,€do€you€monitor€the€same€200connectorsÐ €%Ð # Ðat€each€monitoring€event€or€do€you€select€new€200€connectors€for€each€monitoring€event?€Ìà Š àòòÌAnsweróó:€€The€emphasis€in€ðð63.649€of€the€Refinery€Ô_ÔMACTÔ_Ô€is€"random€200."€€A€facility€definitelyÐ P( #& Ðshould€not€monitor€the€same€200€components€each€monitoring€event.€€The€same€200componentsÏwould€not€be€a€random€selection.€€The€frequency€at€which€you€monitor€the€components€depends€onÏyour€performance€standard€as€shown€in€the€table€associated€with€this€option.€€The€connectors€shouldÏbe€randomly€selected€on€a€refinery„wide€basis€for€each€monitoring€event.€€Ìâ âÐ -P(+ Ð41.€€òòQuestionóó:€€For€monitoring,€you€are€required€to€follow€Method€21€to€measure€leak€rates.€€MethodÐ ° Ðâ â21€allows€the€use€of€alternative€screening€methods€(e.g.,€a€soap€screening€solution).€€Can€you€useÏthe€soap€solution€method€first,€as€a€screening€method,€and€then€if€a€leak€is€observed,€use€the€monitorÏto€give€actual€leak€rates?€€Ìà Š àòòÌAnsweróó:€€In€principal,€yes.€€However,€in€practice,€the€soap€solution€may€foam€up€on€high€temperatureÐ ` ° Ðcomponents.€€In€using€the€soap€solution€method,€you€may€be€doing€twice€the€work€by€having€to€re„¼monitor€with€an€instrument€afterward.€€ÌÌ42.€€òòQuestionóó:€€Can€Ô_ÔphotoionizationÔ_Ô€detectors€(Ô_ÔPIDsÔ_Ô),€which€can€only€be€calibrated€with€isobutyleneÐ  p  Ð(not€methane),€be€used€when€the€HON€specifies€that€the€calibration€gas€be€methane?€Ìà Š àòòÌAnsweróó:€€Yes.€€Other€screening€instruments€can€be€used,€not€just€an€organic€vapor€analyzer€(OVA).€Ð ð@  ÐBut€you€should€consider€that€whatever€gas€you€are€using€to€calibrate€the€instrument€should€be€similarÏin€content€and€concentration€to€the€gas€stream€you€are€monitoring.€€Isobutylene€may€not€be€a€properÏsurrogate€for€a€Ô_ÔBTEXÔ_Ô€(benzene,€toluene,€Ô_ÔethylbenzeneÔ_Ô,€and€xylene)€mixture.€€In€a€refinery,€the€resultÏmay€be€more€reliable€if€the€Ô_ÔPIDÔ_Ô€is€calibrated€with€a€Ô_ÔBTEXÔ_Ô€mixture.€€If€you€are€using€something€likeÏisobutylene,€you€may€have€to€apply€a€response€factor€to€translate€the€response€from€isobutyleneÏwhich€may€not€exist€in€the€stream€you€are€monitoring€to€a€Ô_ÔBTEXÔ_Ô€type€stream€for€which€the€Ô_ÔPIDÔ_Ô€hasÏa€very€high€response.€€This€type€of€issue€will€be€addressed€in€more€detail€in€future€API€guidance.€ÌÌ43.€€òòQuestionóó:€€According€to€Ken€Ô_ÔGaringÔ_Ô€of€EPA's€National€Enforcement€and€Investigation€CenterÐ `° Ð(Ô_ÔNEICÔ_Ô)€in€Denver,€the€EPA€generally€finds€four€to€five€times€the€number€of€leakers€when€doingÏÔ_ÔLDARÔ_Ô€inspections€at€refineries€as€refinery€inspections€teams€do.€€Will€the€EPA€be€willing€toÏparticipate€in€a€round„robin€leak€testing€evaluation€program€to€resolve€this€discrepancy?€(Vol.€I,€p.Ï195)Ìà Š àòòÌAnsweróó:€€The€EPA€has€done€several€audits€of€refineries€in€California€and€in€the€Midwest€in€whichÐ P Ðthey€found€a€higher€leak€rate€than€facilities€have€self„reported.€€As€a€consequence,€the€Office€ofÏEnforcement€and€Compliance€Assurance€and€the€EPA€in€Washington,€DC€is€developing€a€guidanceÏdocument€for€its€own€inspectors€on€how€to€perform€equipment€leak€inspections.€€This€guidanceÏdocument€is€now€in€a€draft€form€and€going€through€internal€review€at€the€EPA.€€The€API€hopes€toÏget€involved€with€the€EPA€once€that€draft€is€approved€for€external€review.€€At€that€time,€we€will€tryÏto€resolve€such€issues.€€à  àÐ  #ð! ÐÌThe€majority€of€the€issues€regarding€the€discrepancy€in€the€leakage€results€were€associated€with€theÏtime€that€a€facility€inspector€takes€to€monitor€each€component.€€€Method€21€requires€that€you€spendÏtwice€the€response€time€on€each€individual€measurement€point,€so€when€you€are€going€through€a€leakÏinterface,€a€4„inch€valve€has€quite€a€circumference€to€cover.€€If€you€are€monitoring€along€theÏcircumference€in€many€locations,€you€have€to€make€sure€that€you€spend€twice€the€response€time€ofÏthe€instrument€at€each€one€of€those€locations,€which€is€not€a€problem€with€the€OVA€or€the€Ô_ÔPIDÔ_ÔÏbecause€of€their€very€fast€response€time€(i.e.,€a€few€seconds).€€However,€if€you€are€using€a€Ô_ÔTLVÔ_Ô€typeÏinstrument,€which€has€a€20-second€response€time,€and€you€have€to€spend€40€seconds€on€eachÏâ âmonitoring€point,€and€you€plan€to€monitor€at€four,€six€or€ten€points€around€a€large€circumference€orÐ -P(+ Ðlarge€component,€the€monitoring€time€increases€tremendously.€€As€a€result,€EPA€inspectors€haveÏsubmitted€many€comments€regarding€the€monitoring€time.€€Ìâ âÌ44.€€òòQuestionóó:€€Does€the€shutting€down€and€starting€up€of€a€pump€count€as€a€first€attempt€of€repairÐ €Ð Ðfor€a€leaking€pump€seal?€€ÌÌòòAnsweróó:€€I€do€not€see€any€reason€why€you€cannot€count€shutting€down€and€restarting€a€pump€as€aÐ P   Ðfirst€attempt€at€repair€(because€it€sometimes€works).€€However,€how€long€is€such€a€"repair"€going€toÏlast?€€You€may€want€to€consider€if€you€may€get€into€trouble€due€to€persistent€leaks€from€thatÏcomponent.Ô#†°XEX X¿Xo…Æß#ÔÐ  p  ÐÌÔ‡¡XEXX°XEÔ45.€€òòQuestionóó:€Owners€and€operators€can€comply€with€the€Refinery€Ô_ÔMACTÔ_Ô€equipment€leakÐ üL  Ðprovisions€by€complying€with€the€provisions€of€40€Ô_ÔCFRÔ_Ô€part€63€subpart€H.€€Some€of€the€referencedÏprovisions€refer€to€agitators€in€heavy€liquid€service.€€Are€agitators€in€heavy€liquid€service€to€beÏincluded€in€the€leak€detection€and€repair€program?€ÌÌòòAnsweróó:€The€EPA€did€not€intend€the€Refinery€Ô_ÔMACTÔ_Ô€provisions€to€apply€to€agitators.€€A€recentÐ ˜è Ðrevision€(63FR44135,€August18,€1998)€to€the€regulation€clarified€that€owners€and€operators€ofÏfacilities€subject€to€the€Refinery€Ô_ÔMACTÔ_Ô€are€not€required€to€comply€with€40€Ô_ÔCFRÔ_Ô€part€63€subpart€HÏrequirements€for€agitators€in€heavy€liquid€service.€Ô#†°XEXX¡XEþ#ÔÐ \¬ ÐÌòòÔ‡¿Xo… XX°XEÔóó46.€€òòQuestionóó:€€Clarify€the€base€conditions€for€equipment€in€light€liquid€service;€i.e.,€are€the€vaporÐ 4„ Ðpressure€and€concentration€limits€related€to€the€liquid€process€stream,€or€only€to€the€HAP€in€theÏliquid?€€If€more€than€one€HAP,€are€they€additive?€€€ÌÌòòAnsweróó:€€The€definitions€are€on€the€total€stream€composition,€not€on€a€HAP€basis€only.€€A€questionÐ ôD Ðyou€may€ask€is,€is€it€clear€that€you€have€a€choice€of€using€either€the€greater€than€10percentÏevaporated€at€150ð$ðC€(ðð60.593)€definition€(which€is€the€Subpart€Ô_ÔGGGÔ_Ô€cross„reference€definition€inÐ Ô$ Ðthe€rule),€or€the€HON€definition€(ðð63.161)€in€which€you€go€by€components,€partial€pressures,€andÏthe€percent€contributed€to€the€total€stream€by€that€component?€€The€fluid€must€be€a€liquid€atÏoperating€conditions.€€It€has€to€be€greater€than€20€percent€by€weight€of€any€pure€component€in€theÏstream€which€has€a€partial€pressure€exceeding€0.03€Ô_ÔkPAÔ_Ô.€€It€does€not€look€like€you€have€a€choice.€ÏYou€do€the€10€percent/150ð$ðC€test€on€the€stream€and€the€big€total.€€So€it€might€make€a€difference€inÐ „"Ô  Ðsome€particular€circumstances€which€definition€you€are€allowed€to€use.Ô#†°XEX X¿Xo…Ï#ÔÐ  t#Ä! Ðà@ÍÍ3ìàWASTEWATER€PROVISIONSˆÌÌ1.€€òòQuestionóó:€€A€refinery€is€currently€subject€to€and€complying€with€the€wastewater€provisions€in€theÐ ˆØ ÐBenzene€Waste€Operations€Ô_ÔNESHAPÔ_Ô€(40€Ô_ÔCFRÔ_Ô€61,€Subpart€FF).€€Should€the€refinery€(now€subjectÏto€the€Refinery€Ô_ÔMACTÔ_Ô€Rule)€be€reporting€compliance€through€the€Ô_ÔBWONÔ_Ô€or€through€the€RefineryÏÔ_ÔMACTÔ_Ô€Rule?€€€Ìà Š àòòÌAnsweróó:€€Clearly,€in€1998€the€Refinery€Ô_ÔMACTÔ_Ô€administrative€requirements€will€apply€along€withÐ $ t ÐSubpart€FF.€€Between€now€and€the€compliance€date€for€the€Refinery€Ô_ÔMACTÔ_Ô,€Ô_ÔMACTÔ_Ô€is€not€yetÏeffective€so€you€would€comply€with€any€overlapping€rule.€€The€wastewater€provisions€of€the€twoÏregulations€are€very€similar.Ìà Š àà ` àÌÔ‡¿Xo… XX°XEÔ2.€€òòQuestionóó:€€Sample€valves€and€storage€tanks€are€not€included€in€the€equipment€leaks€provisions;Ð À  Ðwhat€about€water€drains€on€storage€tanks?€Ìà Š àòòÌAnsweróó:€€As€indicated€in€the€definition€for€"equipment€leak"€under€ðð63.641€of€the€Refinery€Ô_ÔMACTÔ_ÔÐ à  Ðrule€(see€correcting€amendments€at€61€FR€29876,€June€12,€1996),€vents€from€wastewater€collectionÏand€conveyance€systems€(including,€but€not€limited€to€wastewater€drains,€sewer€vents,€and€sumpÏdrains),€tank€mixers,€and€sample€valves€on€storage€tanks€are€not€equipment€leaks.€€Section€63.647Ïcontains€wastewater€provisions€applicable€to€drain€systems,€and€refers€to€40€Ô_ÔCFRÔ_Ô€part€61,€SubpartÏFF€(the€Benzene€Waste€Operations€Ô_ÔNESHAPÔ_Ô).€€A€water€seal€is€required€for€drains€containing€waterÏwith€a€benzene€concentration€greater€than€10€Ô_ÔppmÔ_Ô.€ÌÔ#†°XEX X¿Xo… #ÔÌ3.€€òòQuestionóó:€If€a€wastewater€stream€management€unit€is€subject€to€both€the€Refinery€Ô_ÔMACTÔ_Ô€and€40Ð  \ ÐÔ_ÔCFRÔ_Ô€part€63€subpart€G€(the€HON),€with€which€requirements€must€the€owner/operator€comply?Ìà Š àòòÌAnsweróó:€A€wastewater€stream€management€unit€that€receives€wastewater€streams€subject€to€theÐ Ð  ÐRefinery€Ô_ÔMACTÔ_Ô€is€to€be€in€compliance€with€40€Ô_ÔCFRÔ_Ô€part€61€subpart€FF,€the€Benzene€WasteÏOperations€Ô_ÔNESHAPÔ_Ô€(Ô_ÔBWONÔ_Ô).€€When€a€wastewater€stream€management€unit€receives€streamsÏsubject€to€both€the€Refinery€Ô_ÔMACTÔ_Ô€and€the€HON,€the€unit€is€to€be€in€compliance€with€the€provisionsÏof€ðð63.133€through€ðð63.137,€and€ðð63.140,€€ðð63.138,€and€ðð63.139€of€the€HON€for€storage,Ïconveyance,€treatment,€and€control,€the€requirements€of€ðð63.143€and€ðð63.148€of€the€HON€forÏmonitoring,€Ô_ÔrecordkeepingÔ_Ô€and€reporting,€and€all€of€the€requirements€of€the€Ô_ÔBWONÔ_Ô€except€forÏðð61.355€through€ðð61.357,€which€include€Ô_ÔrecordkeepingÔ_Ô€and€reporting€requirements.€€Alternately,€aÏrecent€revision€to€the€regulation€allows€(63FR44135,€August18,€1998)Ô‡¡XEXX°XEÔ€wastewater€streamÐ 0$€" Ðmanagement€units€subject€to€both€the€Refinery€Ô_ÔMACTÔ_Ô€and€the€HON€to€comply€with€only€theÏrequirements€of€the€HON.ÌÌ4.€€€òòQuestionóó:€€Is€a€refineryððs€wastewater€system€required€to€be€included€in€the€startup,€shutdown€andÐ à'0#& Ðmalfunction€plan€(Ô_ÔSSMPÔ_Ô)?Ìà Š àòòÌAnsweróó:€€As€requirements€for€wastewater€stream€management€units,€the€Refinery€Ô_ÔMACTÔ_Ô€referencesÐ ¤*ô%) Ðthe€Ô_ÔBWONÔ_Ô,€which€does€not€include€a€requirement€for€a€Ô_ÔSSMPÔ_Ô.€€However,€the€Refinery€Ô_ÔMACTÔ_Ô€alsoÏreferences€the€requirement€in€the€General€Provisions€to€develop€a€Ô_ÔSSMPÔ_Ô,€so€whether€a€Ô_ÔSSMPÔ_Ô€isÏrequired€for€wastewater€may€not€be€clear.€€The€EPA€did€not€intend€to€add€additional€requirementsÐ h-¸(, Ðfor€wastewater€beyond€the€Ô_ÔBWONÔ_Ô.€€A€recent€revision€to€the€Refinery€Ô_ÔMACTÔ_Ô€(63FR44135,ÏAugust18,€1998)Ô#†°XEXX¡XE‡)#ÔÔ‡¡XEXX°XEÔ€clarified€that€a€Ô_ÔSSMPÔ_Ô€is€not€required€for€wastewater.€€However,€owners€andÐ œì Ðoperators€may€wish€to€prepare€a€Ô_ÔSSMPÔ_Ô€because€it€may€reduce€reporting€when€malfunctions€occur.€ÌÌA€Ô_ÔSSMPÔ_Ô€is€required€for€wastewater€if€the€owner€or€operator€elects€to€comply€only€with€theÏwastewater€requirements€of€40€Ô_ÔCFRÔ_Ô€part€63€subpart€G.€€ÌÔ#†°XEXX¡XEW.#ÔÌà Š àÌÌÐ  ü L  Ðà@xx4ìàEMISSIONS€AVERAGINGˆÌà Š àÌ1.€€òòQuestionóó:€€If€a€refinery€decided€to€use€emissions€averaging€but€then€later€found€they€had€trouble;Ð ˆØ Ði.e.,€they€could€not€demonstrate€they€are€meeting€their€quarterly€caps€or€their€annual€cap€or€they€wereÏhaving€trouble€with€the€monthly€monitoring€excursions,€could€they€withdraw€from€emissionsÏaveraging€without€penalties?€€€€Ìà Š àòòÌAnsweróó:€€There€is€nothing€in€either€the€HON€or€the€Refinery€Ô_ÔMACTÔ_Ô€Rule€that€spells€out€what€youÐ $ t Ðcould€do€to€withdraw€from€emissions€averaging.€€However,€it€is€clear€in€the€Rule€that€if€you€decideÏto€make€a€change€in€the€way€you€are€complying€with€the€Rule,€you€can€go€through€a€Title€V€permitÏmodification.ÌÌNow,€would€there€be€no€penalties?€€Obviously,€getting€a€permit€change€could€be€construed€as€aÏpenalty€in€and€of€itself€because€it€will€cost€you€something€to€get€a€permit€changed.€€Anybody€whoÏwants€to€use€averaging€will€want€to€take€a€fairly€hard€look€at€how€safe€they€are€at€meeting€theseÏtargets.€€You€would€not€take€the€emissions€averaging€approach€without€a€lot€of€forethought€andÏplanning.€€The€problem€with€the€emissions€averaging€approach€is€that€you€are€locked€into€anÏoperating€scenario;€therefore,€you€need€to€make€certain€that€you€can€live€with€that€scenario.€€YouÏshould€have€a€margin€of€safety€in€your€averaging€so€as€not€to€have€a€violation.Ìà Š àòòÌóó2.€€òòQuestionóó:€€Please€give€examples€of€what€it€means€for€a€credit€to€be€discounted€by€10percent€inÐ  p Ðemissions€averaging.€€€€Ìà Š àòòÌAnsweróó:€€Basically,€what€that€says€is€if€you€control€9€tons€worth€of€a€HAP€from€a€tank,€for€example,Ð ä4 Ðyou€would€only€get€to€credit€8.1€of€those€9€tons.€€Another€way€of€looking€at€it€is€if€the€debit€is€10€tonsÏper€year,€you€would€have€to€create€11€tons€per€year€of€credit.€€It€is€just€like€an€interest€rate;€you€haveÏto€pay€back€a€little€more€than€what€you€owed€in€theory.Ìà Š àÌ3.€€òòQuestionóó:€€Can€you€use€emissions€averaging€for€Ô_ÔNSPSÔ_Ô€Subpart€Ô_ÔQQQÔ_Ô€without€approval€from€theÐ €Ð ÐAdministrator?€€This€question€concerns€an€existing€drain€system.€€€€à  àòòÐ l¼ Ðà Š àÌAnsweróó:€€No.€€The€way€the€emissions€averaging€provisions€are€drafted,€you€have€to€get€approval€forÐ D!” Ðthe€plan€approach€for€compliance€and€it€is€to€be€granted€by€the€State€or€the€permitting€authority.€ÏAbsent€a€State€or€permitting€authority€approval,€the€EPA€Administrator,€meaning€the€RegionalÏoffices,€would€do€the€approval.€€But€you€cannot€avoid€the€approval€process.€€ÌÌRegarding€the€question€about€Subpart€Ô_ÔQQQÔ_Ô,€I€am€assuming€that€this€drain€system€is€subject€toÏSubpart€Ô_ÔQQQÔ_Ô€because€it€is€new€construction,€but€it€is€in€the€scope€of€the€Refinery€Ô_ÔMACTÔ_Ô€standardÏand€it€is€not€subject€to€the€Benzene€Waste€Rule.€€Obviously,€it€has€to€be€in€the€scope€of€the€RefineryÏÔ_ÔMACTÔ_Ô€standard€to€be€able€to€use€emissions€averaging€and,€in€that€instance,€you€could€use€this€as€aÏdebit€generator€and€there€would€be€no€prohibition.€€I€would€have€to€check€the€rule€language€to€makeÏsure€that€option€has€not€been€closed€off€by€something.€€But€basically€you€could,€provided€you€couldÏfind€something€else€in€the€Rule€to€be€a€control€credit.€€Now,€what€you€would€have€to€do€is€take€aÏcomplete€hit€on€that€wastewater€stream.€€In€other€words,€you€would€not€get€partial€credit€for€havingÏâ âsuppressed€part€of€the€drain€system€and€no€credit€for€the€downstream€portions.Ð @-(, ÐThe€structuring€of€the€averaging€provisions€has€to€do€with€all€the€issues€and€debate€over€what€areÏâ âappropriate€models€for€emissions€from€wastewater€conveyances.€€And€so,€to€keep€it€workable€we€inÏessence€said€it€is€either€suppressed€and€creditable€or€it€is€not€suppressed€and€you€must€look€at€theÏthing€as€the€point€where€you€start€discharging€its€contents€and€consider€that€against€you.€€So€youÏwould€have€to€lay€out€some€more€specifics€before€I€could€completely€answer€the€question,€but€youÏmight€under€certain€narrow€circumstances€have€some€possibility€there.Ìà Š àÌ4.€€òòQuestionóó:€€Why€are€wastewater€streams€treated€in€a€biological€treatment€unit€not€allowed€to€beÐ $ t Ðincluded€in€an€emissions€average?€€Does€the€EPA€somehow€view€biological€treatment€as€inferior€toÏreference€control?€€€€Ìà Š àòòÌAnsweróó:€€To€respond€to€the€second€question€first,€biological€treatment€is€not€viewed€as€being€anÐ Ô$  Ðinferior€control€technology;€biological€treatment€units€do€an€excellent€job€treating€some€materials.€ÏYou€can€get€very€good€Ô_ÔbiodegradationÔ_Ô€on€some€materials€and€not€so€good€on€other€materials€thatÏhave€greater€Henryððs€law€constants.€€There€is€a€popular€view€that€biological€units€are€inherently€bad,Ïbut€the€people€working€on€the€HON€and€the€Ô_ÔBWONÔ_Ô€would€not€agree€with€that€in€all€circumstances.€ÏThere€were€people€who€commented€on€the€proposal€in€the€HON€and€they€felt€very€strongly€thatÏbiological€units€should€not€be€allowed€and€that€there€were€great€uncertainties€about€Ô_ÔbiotreatmentÔ_ÔÏefficiency,€etc.ÌÌRegarding€emissions€averaging,€biological€treatment€units€are€not€allowed€in€emissions€averagingÏbecause€of€the€way€the€HON€Wastewater€Compliance€Provisions€are€set€up.€€The€HON€provisionsÏare€different€from€the€Benzene€Wastewater€Provisions€in€that€we€are€looking€at€a€lot€of€differentÏcompounds€in€the€HON,€whereas€the€Benzene€Waste€Rule€only€applies€to€benzene.€€In€BenzeneÏWaste,€if€you€meet€the€suppression€requirements€for€the€biological€unit€and€meet€the€definition€ofÏenhanced€Ô_ÔbiodegradationÔ_Ô,€you€are€in€compliance.€€à  àÐ ¼  ÐÌIn€the€HON,€because€we€are€looking€at€a€lot€of€different€compounds€and€combinations€ofÏcompounds,€people€figure€out€what€they€are€required€to€remove€in€their€Group€1€wastewater€streamsÏat€the€point€of€generation€and€calculate€a€required€mass€removal.€€They€demonstrate€compliance€byÏdetermining€the€mass€that€is€entering€the€bio€unit€at€the€Ô_ÔheadworksÔ_Ô€and€determining€the€fractionÏÔ_ÔbiodegradedÔ_Ô€for€everything€that€entered€this€wastewater€treatment€unit.€€The€actual€mass€removal€isÏcalculated€by€multiplying€the€fraction€Ô_ÔbiodegradedÔ_Ô€by€the€total€mass€entering€the€unit.€€You€thenÏcompare€the€actual€to€the€required€amount.€€If€the€actual€meets€or€exceeds€the€required€removal€onÏthe€total€HAP,€then€you€are€in€compliance.€€If€it€is€less,€you€have€to€do€something€else,€such€as€useÏsome€form€of€€upstream€treatment€unit€or€consider€a€totally€different€compliance€approach.ÌÌBecause€you€are€using€the€mass€entering€the€bio€unit€at€the€Ô_ÔheadworksÔ_Ô,€it€is€a€collection€of€everythingÏ(including€the€Group€1€streams,€the€Group€2€streams,€and€the€collection€of€wastewater€streams€fromÏunits€that€are€not€subject€to€this€Rule).€€And€it€is€like€one€big€average€pool€number.€€So€they€wouldÏbe€getting€additional€credit.€€ÌÌThe€emissions€averaging€provisions€spell€out€all€the€terms€of€the€agreement.€€In€essence,€all€theÏequations€are€in€there.€€The€biological€treatment€provisions€would€have€just€doubled€that€sectionÏagain.€€It€was€a€policy€call€to€not€allow€this.€€If€you€have€ever€looked€at€Appendix€C€to€40€Ô_ÔCFRÔ_Ô€63,ÏI€think€you€will€understand€what€I€am€referring€to.à  àÐ ,.|)- ÐñC ñà Š àñC ñ‡5.€€òòQuestionóó:€€Why€are€there€regulations€for€new€source€Ô_ÔMACTÔ_Ô€and€emissions€averaging€whenÐ ° Ðnobody€plans€to€use€it?€€€€Ìà Š àòòÌAnsweróó:€€The€statute€requires€different€standards€for€new€sources€and€for€existing€sources.€€So€byÐ tÄ Ðstatute€the€EPA€had€to€have€new€source€requirements.€€And€even€though€the€EPA€does€not€think€anyÏexisting€sources€will€trigger€the€new€source€requirements,€it€is€possible€that€somebody€in€the€futureÏcould.ÌÌEmissions€averaging€is€there€to€deal€with€the€extraordinary€case€where€somebody€really€has€a€veryÏcostly€situation€and€this,€despite€all€of€its€drawbacks,€represents€a€way€to€lower€their€costs€ofÏcompliance.€€It€does€not€mean€the€costs€would€be€low,€it€just€means€it€is€going€to€reduce€their€costsÏfor€compliance.€€We€have€had€three€companies€submit€an€application€under€the€HON,€one€of€whichÏwas€very€creative.€€I€was€surprised€that€anybody€did,€given€all€the€statements€about€the€restrictionsÏmaking€it€unworkable.€€ÌÌSo€these€provisions€are€there€to€deal€with€abnormal€cases.€€They€are€not€appropriate€for€the€typicalÏsituation.€€This€is€an€issue€that€the€EPA€has€committed€to€reexamine.€€Quite€frankly,€we€have€limitedÏstaff€and€resources€available€to€work€on€it.€€The€Agency€will€not€be€able€to€reexamine€the€policy€untilÏthere€is€a€demand€for€the€product.Ìà Š àÌ6.€€òòQuestionóó:€€Would€you€comment€on€the€other€stakeholders,€the€environmental€movement,€in€theÐ  p Ðdevelopment€of€the€emissions€averaging€provisions?€€At€one€time,€emissions€averaging€actuallyÏseemed€to€be€a€little€bit€more€reasonable€than€it€was€in€the€final€analysis.€€Other€people,€theÏenvironmental€community,€were€afraid€that€we€were€going€to€cheat€and€get€out€of€making€theÏemissions€reduction.€€I€think€they€stabbed€the€emissions€averaging€provision€in€the€back,€which€isÏwhy€we€do€not€have€one€today.€€Do€you€think€that€is€a€reasonable€interpretation?€€Ìà Š àòòÌAnsweróó:€€I€would€say€that€the€current€emissions€averaging€provisions€reflect€the€various€politicalÐ ”ä Ðpressures€that€were€brought€to€bear€during€the€time€the€provisions€were€developed.ÌÌÔ‡¿Xo… XX°XEÔ7.€€òòQuestionóó:€€What€is€the€size€of€the€penalty€charged€to€a€refinery€if€emission€debits€exceed€credits?€Ð X ¨ ÐÌòòAnsweróó:€€Itð ðs€not€specific,€but€Ið ðm€assuming€that€this€is€a€situation€where€debits€have€exceededÐ 8"ˆ  Ðcredits€either€for€the€whole€year€or€most€of€the€year.€€If€the€program€has€been€delegated€to€your€State,Ïyou€must€first€look€to€the€State€laws€to€see€what€your€potential€penalties€are.€€ÌÌIf€this€is€still€a€Federal€program€under€the€Clean€Air€Act,€the€civil€penalties€can€be€up€to€$25,000€perÏday.€€You€do€not€want€to€have€your€debits€exceed€your€credits€because€the€daily€penalty€can€beÏmultiplied€times€365€days.€€I€doubt€that€you€would€ever€be€assessed€with€a€penalty€that€high,€becauseÏunder€the€Clean€Air€Act€there€are€considerations€that€would€be€brought€into€play€in€determining€whatÏthe€size€of€a€penalty€would€be,€such€as€your€history€of€compliance,€your€good€faith€efforts€to€comply,Ïetc.€€However,€if€the€enforcer€can€make€a€case€that€you€have€received€some€substantial€economicÏbenefit€from€your€non„compliance,€€such€an€argument€will€work€against€you€when€they€figure€outÏwhat€your€penalty€might€be.€€I€would€caution€you€that€if€there€comes€a€time€in€the€course€of€the€year,Ïsay€three„quarters€of€the€way€through€the€year,€where€your€analysis€indicates€that€you€are€not€goingÐ x-È(, Ðto€be€able€to€make€up€those€debits€by€the€end€of€year,€someone€might€draw€the€conclusion€that€youÏare€in€knowing€violation€for€the€remaining€part€of€the€year,€so€you€definitely€want€to€watch€out€forÏthat.€€You€should€also€be€concerned€about€the€potential€for€citizen€suits,€which€is€provided€for€underÏthe€Clean€Air€Act.€€€€ÌÌ8.€€òòQuestionóó:€€Is€the€33€percent€emissions€averaging€debit€limit€calculated€on€a€monthly€average,Ð ` ° Ðquarterly€average,€or€annual€average?€Ìà Š àòòÌAnsweróó:€€The€33€percent€limit€is€calculated€on€a€quarterly€basis€where€the€credits€can€be€no€moreÐ 0 € Ðthan€130€percent€less€than€the€debits.€€ÌÌPotentially,€there€is€a€fine€if€you€exceed€that€cap,€but€the€30€percent€buffer€should€be€enough€to€dealÏwith€seasonal€variations€and€operations€between€your€debit€and€your€credit€generators.€€AnotherÏperson€asked€if€there€is€any€other€penalty.€€If€you€fail€to€properly€operate€the€required€equipment,€thatÏcould€be€considered€a€separate€violation.€€€Ìà Š àÌ9.€€òòQuestionóó:€€Is€incineration€limited€in€credit€potential€to€a€98€percent€control€maximum?€€Or€canÐ ° Ð99.99€percent€control€be€used€as€the€credit€in€emissions€averaging?€Ìà Š àòòÌAnsweróó:€€There€are€procedures€in€the€emissions€averaging€provisions€(ðð63.652)€where€if€you€canÐ €Ð Ðshow€that€you€have€a€different€design€or€different€operating€characteristics,€you€may€have€a€goodÏargument€as€to€why€this€is€a€different€device€than€an€ordinary€vapor€incinerator.€€In€those€cases,€youÏcan€get€the€extra€credit.€€But€you€do€have€to€submit€this€information€to€the€permit€authority.€€ÌÌ10.€€òòQuestionóó:€€The€Marine€Ô_ÔMACTÔ_Ô€rule€requires€97€percent€control.€€Flares€are€credited€with€98Ð 0€ Ðpercent€control€if€they€meet€the€equipment€specifications€in€ðð63.11(b).€€Is€the€1€percent€differenceÏavailable€as€a€credit€for€emissions€averaging?€€€€Ìà Š àòòÌAnsweróó:€€I€do€not€think€that€is€presently€the€case.€€The€evaluation€of€flare€performance€is€based€onÐ ð@ Ðwork€that€was€done€in€the€early€1980ð ðs;€it€is€a€regression€analysis€on€limited€test€data€and€it€will€beÐ à0 Ðvery€difficult€to€figure€out€whether€you€were€getting€different€performance€with€the€flare€in€the€twoÏsituations.€€ÌÌ11.€€òòQuestionóó:€€Is€there€any€EPA€guidance€on€how€to€determine€relative€hazardous€ranking,€or€do€weÐ  #ð! Ðhave€to€use€the€section€112(g)€hazard€ranking?€€€€Ìà Š àòòÌAnsweróó:€€As€stated€in€section€10.3€of€the€BID€(EPA„453/R„95„015b)€in€response€to€a€comment,€theÐ p&À!$ ÐEPA€has€published€an€annotated€bibliography€giving€procedures€for€determining€hazardous€risk.€ÏThat€is€the€only€guidance€we€have€right€now.€€It€was€not€our€intention€when€we€did€the€HON,€andÏwe€did€not€change€this€when€we€were€developing€the€Refinery€Ô_ÔMACTÔ_Ô€rule,€to€send€you€to€the€sectionÏ112(g)€hazardous€ranking.€€It€was€decided€to€leave€the€hazardous€and€risk€assessment€procedures€toÏthe€discretion€to€the€State€and€local€permitting€authority.€€Many€States€have€an€Air€Ô_ÔToxicsÔ_Ô€rule€whereÏthey€go€through€and€perform€the€evaluations.€€You€would€be€using€those€same€procedures.€€The€EPAÏâ âdid€not€tell€you€how€to€do€the€hazardous€risk€comparison.Ð -P(+ Ð12.€€òòQuestionóó:€€How€many€points€can€be€used€at€a€marine€vessel€loading€facility€for€purposes€ofÐ ° Ðâ âemissions€averaging?€€Ìà Š àòòÌAnsweróó:€€I€do€not€think€that€the€rule€spells€it€out,€but€in€essence€you€would€call€each€loading€dockÐ €Ð Ðone€point.€€Every€separate€marine€vessel€would€not€be€considered€a€point.€€€€ÌÌ13.€€òòQuestionóó:€€€Who€has€to€certify€annually€that€the€credits€exceeded€the€debits?€€Is€this€theÐ P   Ð"responsible€official"€per€Title€V?€Ìà Š àòòÌAnsweróó:€€Yes.€€This€is€part€of€your€annual€certification.€€It€would€be€signed€by€your€TitleVÐ  p  Ðresponsible€official.€€€€ÌÌ14.€€òòQuestionóó:€€Who€approves€Emissions€Averaging€plans€until€States€have€been€delegated€authorityÐ ð@  Ðthrough€section€112€(l)?€Ìà Š àòòÌAnsweróó:€€The€EPA€Regional€offices€usually€approve€such€plans€unless€you€know€the€State€has€beenÐ À Ðdelegated€the€authority.€€€€ÌÌ15.€€òòQuestionóó:€€Is€there€any€emissions€averaging€software€on€the€horizon?€€Ð à Ðà Š àòòÌAnsweróó:€€I€believe€(and€this€may€be€out„of„date€information€that€the€EPA€put€up€on€the€Ô_ÔTTNÔ_Ô€bulletinÐ pÀ Ðboard)€there€is€a€program€for€doing€the€calculations€for€emissions€averaging.€€The€software€is€locatedÏon€the€Ô_ÔTTNÔ_Ô€under€Ô_ÔCAAAÔ_Ô€(Clean€Air€Act€Amendments;€Policy/Guidance;€under€filenameÏÔ_ÔHONAVGAS.ZIPÔ_Ô.€€The€intention€in€putting€the€program€on€the€Ô_ÔTTNÔ_Ô€was€to€get€some€beta€testingÏdone.€€We€originally€had€several€people€interested€in€calculation€procedures.€€An€EPA€employeeÏnamed€Tom€Walton€prepared€the€program€and€it€has€been€on€the€Ô_ÔTTNÔ_Ô€for€quite€some€time.€€I€thinkÏthis€program€is€probably€free,€for€anyone€to€use€and€try€to€improve.€€Part€of€the€rationale€forÏdeveloping€the€program€was€that€it€might€also€be€useful€for€section112(g)€calculations.ÌÌÔ#†°XEX X¿Xo…˜W#ÔÔ‡¿Xo… XX°XEÔÌÌÔ#†°XEX X¿Xo…¯r#ÔÐ  À! Ðà@{ { /ìàINTERACTION€WITH€OTHER€RULESˆÌÌ1.€€òòQuestionóó:€€If€you€use€a€process€heater€or€a€boiler€to€control€a€vent€stream,€do€Ô_ÔNSPSÔ_Ô€Subpart€JÐ ˆØ Ðrequirements€for€monitoring€either€the€Hòò2óóS€or€SOòò2óó€concentration€of€the€fuel€gas€still€apply?€€€€Ð tÄ Ðà Š àòòÌAnsweróó:€€Yes.€€The€Ô_ÔNSPSÔ_Ô€Subpart€J€rule€is€independently€applicable,€and€note€that€it€deals€withÐ L œ Ðcriteria€pollutants€and€not€HAP.Ìà Š àÌ2.€òòQuestionóó:€€In€order€to€comply€with€Ô_ÔMACTÔ_Ô€requirements,€assume€that€the€new€control€is€aÐ  ` Ðcombustion€unit.€€Would€the€unit€be€subject€to€Ô_ÔPSDÔ_Ô€New€Source€Review€or€Ô_ÔNSPSÔ_Ô€modification?€ÏWe€understand€it€is€a€different€program,€but€the€EPA€must€exempt€by€regulation€such€otherÏregulatory€burden€since€it€has€overall€benefits€to€the€environment€based€on€Ô_ÔMACTÔ_Ôððs€impact€analysis.€ÏÌòòAnsweróó:€€I€am€going€to€split€this€up€into€a€couple€of€parts.€€It€is€my€understanding€that€the€Ô_ÔPSDÔ_Ô€NewÐ ¬ü  ÐSource€Review€program€has€proposed€a€clarification€that€when€you€add€a€Ô_ÔcombustorÔ_Ô€or€make€someÏother€change,€it€counts€as€an€ð ðincrease€in€the€emissions.ðð€€But€if€the€new€Ô_ÔcombustorÔ_Ô€or€change€is€dueÏto€a€regulation,€they€are€exempted€from€the€Ô_ÔPSDÔ_Ô€New€Source€Review.€€I€hope€that€it€will€beÏpublished€as€a€final€rule€soon€in€the€òòFederal€Registeróó.€Ð \¬ ÐÌà Š àConcerning€the€part€of€the€question€dealing€with€Ô_ÔNSPSÔ_Ô€modification,€that€would€depend€onÏwhether€or€not€you€have€expended€the€necessary€capital€in€order€to€use€this€Ô_ÔcombustorÔ_Ô.€€If€you€rebuiltÏthe€Ô_ÔcombustorÔ_Ô,€just€the€fact€that€there€is€an€increase€in€emissions€in€and€of€itself€does€not€necessarilyÏmean€it€is€a€modification.€€You€would€have€to€meet€the€criteria€(i.e.,€capital€expenditures)€in€theÏGeneral€Provisions.€€There€are€some€exclusions€from€the€definition€of€modification€in€ðð60.14(e)Ïwhich€are€very€helpful€in€this€kind€of€case.€€Changing€fuels€would€be€an€example€of€an€exclusion.ÌÌÔ‡¿Xo… XX°XEÔ3.€€òòQuestionóó:€€Why€does€the€Refinery€Ô_ÔMACTÔ_Ô€rule€not€specify€that€a€Gasoline€Distribution€systemÐ ¨ø Ðsubject€to€40€Ô_ÔCFRÔ_Ô€part€63,€Subpart€CC€must€only€comply€with€Subpart€R€in€part€63?€€€Ìà Š àòòÌAnsweróó:€Although€gasoline€distribution€systems€are€not€specifically€addressed€in€the€part€of€theÐ xÈ ÐRefinery€Ô_ÔMACTÔ_Ô€that€deals€with€rule€overlap€(ðð63.640(n)),€the€gasoline€loading€rack€provisionÏ(ðð63.650)€clearly€states€that€gasoline€loading€racks€must€comply€with€40Ô_ÔCFRÔ_Ôpart€63,€subpartR.ÌÌ4.€€òòQuestionóó:€€How€do€the€marine€loading€provisions€of€Refinery€Ô_ÔMACTÔ_Ô€relate€to€the€provisions€ofÐ 8#ˆ! ÐMarine€Loading€Ô_ÔMACTÔ_Ô?€Ìà Š àòòÌAnsweróó:€€Just€because€there€is€marine€loading€occurring€at€a€refinery€does€not€subject€that€marineÐ &X!$ Ðloading€facility€to€controls€or€to€the€Marine€Loading€Ô_ÔMACTÔ_Ô€Rule.€€The€presence€of€marine€loadingÏat€a€major€source€of€HAP,€such€as€a€refinery,€does€not€subject€that€marine€loading€facility€to€controls.€ÏYou€must€examine€the€applicability€requirements€specifically€for€the€marine€loading€facility€itself;Ïthat€is,€the€marine€loading€facility€must€of€and€by€itself€emit€more€than€10€tons€per€year€of€any€oneÏHAP€or€25€tons€per€year€of€a€combination€of€HAP,€and€there€are€some€additional€applicabilityÏrequirements,€such€as€a€vapor€pressure€cutoff.€€You€may€have€some€Ô_ÔrecordkeepingÔ_Ô€requirements€thatÏdemonstrate€that€you€are€not€subject€to€the€rule,€but€the€operation€would€not€be€subject€to€the€controlÏrequirements.Ð ˆ-Ø(, ÐñD ñà Š àñD ñ‡5.€€òòQuestionóó:€€In€one€of€the€presentations€the€statement€was€made:€€"In€general,€the€source€mustÐ ° Ðcomply€with€only€the€most€stringent€rule."€€Stringent€in€what€regard?€€Control,ÏÔ_ÔRecordkeepingÔ_Ô/Reporting,€Inspections?€€What€happens€if€State€regulations€are€more€stringent?€Ìà Š àòòÌAnsweróó:€€The€stringency€comparison€applies€just€to€the€Federal€rules.€€The€EPA€also€made€someÐ pÀ Ðchanges€under€Gasoline€Distribution€Ô_ÔMACTÔ_Ô€that€basically€said€you€do€not€have€to€comply€with€theÏGasoline€Distribution€Ô_ÔMACTÔ_Ô€rule€if€you€are€in€compliance€with€the€Refinery€Ô_ÔMACTÔ_Ô€rule.€€TheÏintent€was€that€you€will€only€be€required€to€comply€with€one€of€these€rules.€€Another€clarificationÏis€that€there€is€a€list€of€189€hazardous€air€pollutants€in€the€Act,€while€we€have€a€list€in€Table€1€of€28Ïspecific€air€pollutants€for€the€Refinery€Ô_ÔMACTÔ_Ô.€€To€determine€the€applicability€of€your€source,€youÏare€required€to€count€all€HAP€from€the€list€of€189€in€determining€whether€you€exceed€the€thresholdÏof€the€10/25€tons€per€year€of€HAP.€€When€you€look€at€your€whole€source€to€determine€applicability,Ïyou€will€need€to€look€at€both€inorganic€and€organic€HAP€in€total€to€see€if€your€source€is€indeedÏmajor.€€The€28€HAP€that€are€listed€specifically€in€Table€1€help€to€clarify€the€applicability€ofÏindividual€process€units.€€If€they€do€not€emit,€come€into€contact€with,€or€contain€one€of€those€28,€thenÏit€may€not€indeed€be€a€petroleum€refining€process€unit.€€So€there€are€two€lists€and€both€of€themÏoperate€somewhat€separately€from€each€other.ÌÌ6.€€òòQuestionóó:€€If€you€have€a€situation€where€a€State€rule€is€viewed€as€being€more€stringent€that€theÐ à Ðcorresponding€Federal€rule,€what€has€to€be€done€in€order€to€justify€that€stringency?€€Can€the€StateÏrule€be€more€stringent€than€the€Federal€maximum?€€€Ìà Š àòòÌAnsweróó:€€First€of€all,€this€State/Federal€interaction€and€program€substitution€is€bound€up€in€theÐ P  Ðsection€112(l)€process,€which€is€under€litigation.€€But€a€State€should€be€able€to€go€through€a€processÏfor€substituting€their€own€rule€for€a€Federal€rule,€and€that€would€be€the€requirement€that€goes€intoÏyour€permit.€€I€do€not€know€what€the€Ô_ÔtimeframeÔ_Ô€is€for€settling€the€section€112(l)€litigation,€but€weÏhope€it€will€all€be€resolved€before€the€compliance€date€for€this€rule€becomes€due.€€Whether€or€notÏa€State€rule€can€be€more€stringent€than€a€Federal€standard€will€depend€upon€the€individual€Stateð ðsÐ P Ðcode.€€Some€States€have€laws€that€restrict€their€ability€to€be€more€stringent€than€Federal€rules.€€YouÏneed€to€look€at€your€individual€State€rule€to€figure€that€out.€€ÌÌà Š àRegarding€equipment€leaks,€this€can€get€rather€complicated.€€As€a€general€rule,€the€different€leakÏdefinitions€do€not€amount€to€much€difference€in€the€actual€weighted€average€percent€emissionsÏreduction.€€It€is€a€lot€of€argument€for€very€little€difference€in€performance.€€If€the€State€has€a€programÏon€the€books€and€they€want€to€get€it€substituted€and€it€has€reasonable€monitoring€in€it,€I€do€notÏbelieve€it€matters€which€program€you€use€so€long€as€you€pay€some€attention€to€maintenance€andÏrepair.€€The€State€will€have€to€go€through€the€section€112€(l)€process€after€the€litigation€is€settled.€€ÌÌ7.€€òòQuestionóó:€€Is€there€a€reference€indicating€which€rule€is€most€stringent€when€comparing€theÐ P( #& Ðfollowing€rules:€Refinery€Ô_ÔMACTÔ_Ô,€Ô_ÔSOCMIÔ_Ô€HON,€Ô_ÔNSPSÔ_Ô€for€Fugitive€Emissions,€Ô_ÔNSPSÔ_Ô€for€vents,ÏÔ_ÔNSPSÔ_Ô€for€tanks,€and€Ô_ÔNSPSÔ_Ô€for€marine€loading?€€Or€does€the€State€have€to€do€it€independently?€€Ìà Š àòòÌAnsweróó:€€Let€me€give€an€example€related€to€fugitive€emissions.€€Suppose€you€have€a€new€reformerÐ ,`'* Ðunit€located€in€the€refinery€and€you€have€1,000€valves€that€are€in€Ô_ÔNSPSÔ_Ô€service.€€Of€those€1,000Ïvalves,€you€have€a€subset€having€greater€than€5€percent€HAP.€€Subpart€CC€will€apply€to€those.€€NowÐ ð-@), Ðyou€might€be€maintaining€less€than€2€percent€leakers€on€your€1,000€valves€that€apply€to€Ô_ÔNSPSÔ_Ô;Ïhowever,€that€subset€of€valves,€say€500,€that€have€more€than€5€percent€HAP€may€have€a€leak€rateÏgreater€than€2€percent.€€So€in€that€case,€it€really€depends€upon€your€data.€€Also,€not€only€do€you€haveÏto€look€at€those€two€rules€but,€depending€upon€how€much€benzene€you€have,€the€Benzene€Ô_ÔNESHAPÔ_ÔÏfor€Fugitive€Equipment€Leaks€also€may€apply€and€you€also€have€to€look€at€that€portion€of€the€subsetÏof€equipment€leaks€and€their€leak€rate.€€So,€again,€which€is€more€stringent€depends€upon€yourÏspecific€data.€€Tanks€generally€require€double€seals€but€you€might€have€different€monitoring,Ïinspection,€or€reporting€requirements.€€It€is€not€clear€in€all€cases€which€is€going€to€be€more€stringent,Ïbut€where€the€EPA€has€clarified€that€one€set€of€rules€applies,€thatð ðs€the€set€of€rules€you€have€toÐ 0 € Ðcomply€with.€€If€two€rules€apply€where€a€State€may€not€have€yet€adopted€a€Refinery€Ô_ÔMACTÔ_Ô,€youÏhave€to€comply€with€both€rules.€€ÌÌ8.€€òòQuestionóó:€€Were€the€new€fugitive€emission€correlations€used€to€determine€the€national€emissionsÐ ð@  Ðand€the€reductions€associated€with€the€Refinery€Ô_ÔMACTÔ_Ô€rule?€€If€not,€were€the€impacts/benefits€re„¼estimated?€Ìà Š àòòÌAnsweróó:€€€The€answer€is€no.€€We€used€the€older€correlations.€€This€has€been€a€continuous€unresolvedÐ ° Ðissue€throughout€the€standard€development€effort.€€We€have€answered€this€question€a€number€ofÏtimes€for€the€Congress,€and€we€can€provide€that€material.€€€€ÌÌ9.€€òòQuestionóó:€€Is€the€Refinery€Ô_ÔMACTÔ_Ô€rule€a€free„standing€Federal€requirement€like€Ô_ÔNSPSÔ_Ô€or€is€itÐ pÀ Ðadopted€by€States€like€Title€V?€Ìà Š àòòÌAnsweróó:€€The€Ô_ÔMACTÔ_Ô€rules€are€free„standing,€independent€standards.€€If€there€were€no€Title€V,Ð @ ÐÔ_ÔMACTÔ_Ô€rules€would€still€be€developed€and€in€effect€under€Title€III€of€the€Act.€€Ìà Š àÌ10.€€òòQuestionóó:€€If€the€Refinery€Ô_ÔMACTÔ_Ô€rule€is€just€a€Federal€requirement,€how€does€it€become€a€StateÐ ` Ðrequirement€so€that€it€can€be€put€into€a€State€operating€permit?€€Ìà Š àòòÌAnsweróó:€€This€is€accomplished€through€the€section€112€(l)€delegation€process.€€If€a€State€applies€forÐ à0 Ðdelegation,€thatð ðs€how€the€Federal€requirement€would€become€part€of€the€State€program.€€Otherwise,Ð Ð  Ðit€is€a€Federal€requirement€that€would€be€implemented€and€enforced€by€the€Federal€governmentÏ(EPA).€€The€section€112€(l)€process€was€how€people€were€envisioning€that€if€the€State€had€a€similarÏrequirement€which€they€thought€was€equivalent€to€or€better€than€the€Federal€requirement,€this€couldÏall€be€collapsed€in€the€permit€application.€€€€ÌÌ11.€€òòQuestionóó:€€When€will€the€EPA€Regional€offices€receive€delegation€of€authority€for€TitleIII?€Ð p&À!$ Ðà Š àòòÌAnsweróó:€€According€to€information€from€the€Office€of€Enforcement,€the€EPA€Regional€offices€haveÐ P( #& Ðreceived€delegation€of€authority.€€The€Delegation€Manual€change€was€signed€in€August€of€1995.€€TheÏEPA€Regions€have€the€authority€to€implement€Title€III€standards€that€have€been€issued€so€far.ÌÌÔ#†°XEX X¿Xo…x|#ÔÔ‡¿Xo… XX°XEÔà@ìì=ìàˆÌÌÐ  ð-@), Ðà@´´4ìàGENERAL€PROVISIONSˆÌà Š àÌ1.€€òòQuestionóó:€€There€were€several€questions€on€startup,€shutdown,€and€malfunction€plans,€and€oneÐ à Ðquestion€on€potential€to€emit.€€The€question€on€potential€to€emit€requested€further€explanation€on€theÏsubject,€and€is€addressed€first.€€ÌÌòòAnsweróó:€€Potential€to€emit€includes€with€it€a€term€called€"Federal€Ô_ÔenforceabilityÔ_Ô."€€In€order€for€aÐ P   Ðsource€to€have€controls€so€that€its€potential€to€emit€is€less€than€what€it€would€be€without€thoseÏcontrols€or€those€constraints,€those€controls€or€constraints€have€to€be€federally€enforceable€(e.g.,Ïenforceable€by€the€U.S.€EPA).€€Federally€enforceable€controls€can€be€a€control€technology€that€aÏsource€puts€on€its€unit,€or€it€may€be€a€limit€on€its€hours€of€operation€or€a€limit€in€production.€€SuchÏlimitations€can€be€a€variety€of€constraints,€but€they€have€to€be€federally€enforceable.€€In€the€lawsuitÏthat€received€a€final€judgment€early€in€the€summer€of€1995€concerning€industry's€challenge€to€theÏTitleIII€General€Provisions€definition€of€"major€source,"€€the€court€ruled€in€favor€of€industry€but€leftÏthe€rule€in€place€while€EPA€reconsiders€it.€€This€means€that€until€the€rule€is€revoked€or€amended,Ïcontrols€must€be€federally€enforceable€to€reduce€Ô_ÔPTEÔ_Ô€for€the€air€Ô_ÔtoxicsÔ_Ô€program.ÌÔ#†°XEX X¿Xo…„¢#ÔÔ‡¡XEXX°XEÔÌà Š àEPA's€general€provisions€for€Ô_ÔMACTÔ_Ô€rules€(40Ô_ÔCFRÔ_Ôpart€63,€subpartA)€require€that€only€federally„¼enforceable€controls€be€included€in€calculations€for€determining€major€source€status.€€In€litigation,Ïthe€court€ruled€that€EPA€did€not€adequately€support€the€decision€not€to€credit€State€or€local€controlsÏthat€are€not€federally€enforceable€from€Ô_ÔPTEÔ_Ô.€€EPA€is€in€the€process€of€deciding€whether€to€changeÏthe€rule,€but€it€remains€in€effect.€€However,€on€January€25,€1995,€the€EPA€issued€a€transition€policyÏmemo€stating€that€for€the€period€through€January€1997€effective€State„permitted€controls€areÏconsidered€as€effective€limitations€on€your€Ô_ÔPTEÔ_Ô.€€(Note:€On€August27,€1996,€the€EPA€extended€theÏtransition€period€to€July€31,€1998.€€On€July€10,€1998€the€EPA€further€extended€the€transition€periodÏtoÔ#†°XEXX¡XE¨#ÔÔ‡¡XEXX°XEÔ€December€31,€1999.)Ô#†°XEXX¡XEj¬#ÔÔ‡¿Xo… XX°XEÔÐ üL Ðò òÔ& À ÔÌStartup,€Shutdown,€and€Malfunction€Plans€(Ô_ÔSSMPÔ_Ô)ó óÐ Ø( ÐÌ2.€€òòQueÔ'Àè÷¬Ôstionóó:€€To€whom€is€the€notification€concerning€startups,€shutdowns,€and€malfunctionsÐ ¸ Ðrequired€in€ðð63.6(e)(3)€(General€Provisions)€to€be€sent,€the€local,€State,€or€EPA€RegionalÏadministrator?€€Ìà Š àòòÌAnsweróó:€In€general,€all€notifications€and€reports,€including€notifications€required€under€ðð63.6(e)(3),Ð x#È! Ðshould€be€sent€to€the€entity€with€implementation€authority.€€Before€the€Ô_ÔNESHAPÔ_Ô€is€Ô_ÔdelgatedÔ_Ô€to€theÏState€or€local€agency€to€implement,€notifications€should€be€sent€to€the€EPA€Region.€€After€theÏÔ_ÔNESHAPÔ_Ô€is€delegated€to€the€S/L€agency,€notifications€are€to€be€sent€to€both€S/L€agency€and€EPAÏRegions,€unless€the€EPA€Region€waives€the€dual€reporting€requirement.€€If€the€U.S.€EPA€has€thisÏauthority,€it€should€be€sent€to€the€appropriate€Regional€office.€€If€the€State€has€primacy,€it€should€beÏsent€to€the€State€agency.€€Likewise,€if€the€local€agency€has€primacy,€notifications€should€be€sent€toÏthem.€€ÌÌ3.€€òòQuestionóó:€€Are€startup,€shutdown,€and€malfunction€reports€required€for€every€variation€from€theÐ è+8'* Ðstandard€for€every€emission€point,€such€as€heater€tank,€pump,€compressor,€or€flare€control€device?€ÏAre€Ô_ÔSSMPÔ_Ô's€required€for€each€of€the€above€process€units€or€the€whole€refinery?€Ð È-), ÐòòAnsweróó:€€The€Ô_ÔSSMPÔ_Ô€is€required€for€the€affected€source.€€In€the€case€of€Refinery€Ô_ÔMACTÔ_Ô,€the€affectedÐ ° Ðsource€is€the€entire€facility.€€There€is€nothing,€however,€in€the€provisions€of€ðð63.6(e)(3)€thatÏprecludes€a€source€from€breaking€down€the€Ô_ÔSSMPÔ_Ô€into€something€that€is€more€manageable€byÏprocess€unit€or€by€another€way€that€a€source€would€choose€to€do€it.€€In€the€correcting€amendmentsÏto€the€final€rule€(61€FR€29876,€June€12,€1996),€the€EPA€clarified€that,€for€the€purposes€of€the€Ô_ÔSSMPÔ_Ô,Ïstartup€and€shutdown€refer€to€refinery€process€units€or€unit€operations€rather€than€to€individualÏcomponents€such€as€pumps.€€Now,€is€a€report€required€for€every€variation€from€the€plan?€€TheÏrequirements€in€the€rule€say€that€the€plan€must€describe€in€detail€what€the€source€is€going€to€do€andÏthen,€when€you€are€not€consistent€with€the€plan,€the€report€has€to€be€made.€€The€question€ofÏconsistency€is€an€individual€determination€that€each€source€would€have€to€make.€€Did€we€follow€theÏintent€of€what€was€written€in€our€plan?€€How€specifically€or€how€broadly€was€it€written?€€€€€€ÌÌ4.€€òòQuestionóó:€€Is€the€Ô_ÔSSMPÔ_Ô€required€only€for€Group€1€sources€subject€to€Refinery€Ô_ÔMACTÔ_Ô?€Ð ð@  ÐÌòòAnsweróó:€€€€The€Ô_ÔSSMPÔ_Ô€is€not€required€for€Group€2€sources.€€Ð Ð  ÐÌ5.€€òòQuestionóó:€€Is€an€Ô_ÔSSMPÔ_Ô€required€for€air€pollution€control€equipment€only?€Ð ° ÐÌòòAnsweróó:€€No.€€Part€of€the€purpose€stated€in€the€rule€is€to€ensure€that€at€all€times€owners€or€operatorsÐ à Ðoperate€and€maintain€affected€sources,€including€associated€air€pollution€control€equipment,€in€aÏmanner€consistent€with€good€air€pollution€control€practices€for€minimizing€emissions€during€startups,Ïshutdowns,€and€malfunctions.€€It€covers€everything„„the€operation€of€the€unit€and€its€associated€airÏpollution€control€equipment.ÌÌ6.€€òòQuestionóó:€€Does€the€Ô_ÔSSMPÔ_Ô€require€EPA€approval?€Ð 0€ ÐÌòòAnsweróó:€€No,€it€does€not.€€It€is€required€to€be€developed€much€like€a€Spill€Prevention€Control€andÐ ` ÐCountermeasure€(SPCC)€plan,€but€it€does€not€have€to€have€their€stamp€of€approval€unless€theyÏchoose€to€review€it.€€If€they€do€choose€to€review€it€and€find€what€they€consider€to€be€deficiencies,Ïthen€the€owner/operator€has€an€obligation€to€modify€the€plan€to€comply€with€the€Agency'sÏdetermination.ÌÌ7.€€òòQuestionóó:€€Is€an€Ô_ÔSSMPÔ_Ô€that€simply€references€refinery€process€unit€operating€proceduresÐ °"  Ðacceptable?ÌÌòòAnsweróó:€€Yes.€€There€are€allowances€in€the€General€Provisions€for€you€to€use€your€standard€operatingÐ €%Ð # Ðprocedures€to€provide€for€your€Ô_ÔSSMPÔ_Ô€in€the€event€that,€in€your€estimation,€they€contain€sufficientÏdetail€and€satisfy€the€intent€of€the€startup,€shutdown,€and€malfunction€plan€requirement.ÌÌ8.€€òòQuestionóó:€€If€refinery€unit€standard€operating€procedures€are€used€as€the€Ô_ÔSSMPÔ_Ô,€will€any€deviationÐ @)$' Ðfrom€the€outlined€procedures,€no€matter€how€minor,€be€considered€a€deviation€from€the€Ô_ÔSSMPÔ_Ô,€thusÏrequiring€notification?€€Would€it€be€better€to€develop€simple,€more€generic€Ô_ÔSSMPÔ_Ô's€to€avoid€this€typeÏof€problem?€€Ìâ âà Š àòòÐ -P(+ ÐAnsweróó:€€The€General€Provisions€[ðð63.6(e)(3)]€use€the€term€"consistent."€€It€does€not€say€veryÐ ° Ðâ âconsistent,€or€somewhat€consistent,€it€just€says€consistent.€€You€have€to€make€that€determination.€ÏWith€regard€to€generic€Ô_ÔSSMPÔ_Ô's,€if€one€is€clever€in€writing€an€Ô_ÔSSMPÔ_Ô€so€that€it€provides€sufficientÏdetail€(because€there€is€a€requirement€that€it€be€in€detail),€yet€is€generic€enough€to€where€you€canÏmaneuver€in€it,€then€that€would€be€to€your€advantage.ÌÌ9.€€òòQuestionóó:€€Do€the€Ô_ÔSSMPÔ_Ô's€have€to€be€complete€at€the€time€of€Title€V€permit€application€Ô_ÔsubmittalÔ_ÔÐ P   Ðor€at€the€time€of€Title€V€permit€issuance?€ÌÌòòAnsweróó:€€Neither.€€It€has€to€be€complete€at€the€time€of€compliance€with€the€relevant€standard.€€TitleÐ  p  ÐV€is€really€not€an€issue€here€unless€the€two€happen€to€coincide€in€their€timing.€€These€are€self„¼implementing.€€All€the€€Ô_ÔMACTÔ_Ô€standards€are€self„implementing€outside€of€ÌTitle€V.€€Title€V€really€has€no€relevance€insofar€as€when€the€plan€is€required.ÌÌ10.€€òòQuestionóó:€€Are€changes€required€to€the€Ô_ÔSSMPÔ_Ô€considered€a€modification€to€the€Title€V€permit?€Ð Ð  Ðà Š àòòÌAnsweróó:€€€The€EPA€has€said€that€referencing€by€permit€does€not€mean€that€the€plan€itself€is€includedÐ ° Ðin€the€permit,€but€only€the€requirement€to€have€the€plan€is€included.€€Thus,€changes€are€notÏconsidered€modifications€to€a€Title€V€permit.ÌÌ11.€€òòQuestionóó:€€Is€the€affected€source€the€entire€refinery,€or€is€it€just€a€single€tank€when€consideringÐ pÀ Ðreconstruction€or€construction?€Ìà Š àòòÌAnsweróó:€The€affected€source€is€defined€in€section€63.640.€€The€affected€source€is€the€collection€ofÐ @ Ðpetroleum€refinery€process€units€and€related€emission€points.€€ÌÌ12.€€òòQuestionóó:€€Assume€an€organic€HAP€process€vent€is€routinely€routed€to€a€flare€to€meet€controlÐ ` Ðstandards.€€If€the€flare€experiences€a€mechanical€problem€that€results€in€a€smoking€flare,€is€thisÏnecessarily€a€violation?€€Can€the€Ô_ÔSSMPÔ_Ô€address€such€a€problem€so€that€a€violation€does€not€result?€ÏHow€about€when€a€flare€mechanical€problem€results€in€a€flame€outage?€Ìà Š àòòÌAnsweróó:€€First€of€all,€does€the€event€that€occurred€fall€under€the€definition€of€malfunction?€€UnderÐ À! Ðthe€definition,€it€has€to€be€infrequent,€sudden,€and€not€reasonably€preventable.€€If€it€does€qualify€asÏa€malfunction€and€if€it€is€covered€by€the€plan,€then€it€should€not€result€in€a€violation.€€€€ÌÌ13.€€òòQuestionóó:€€You€mentioned€that€operation€and€maintenance€(O&M)€requirements€are€enforceableÐ €%Ð # Ðindependent€of€emissions€limitations.€€In€the€General€Provisions,€there€is€a€rather€broad€statement.€ÏIt€does€not€refer€to€any€specific€standard,€but€is€general€to€all€standards.Ìà Š àòòÌAnsweróó:€The€O&€M€requirements€of€the€General€Provisions€apply€to€all€sources.€€In€addition,€in€theÐ @)$' Ðevent€that€you€have€an€O&M€requirement€(Ô_ÔLDARÔ_Ô€requirements€in€Subpart€H€could€be€consideredÏas€maintenance€anyway),€and€there€is€a€violation€or€a€non„compliance€with€that€O&M€requirementÏ(notwithstanding€the€fact€that€you€do€not€have€an€emissions€limitation€violation),€you€can€be€heldÏâ âliable€for€the€O&M€violation.€€Those€are€enforceable€independent€of€emissions€limitations.Ð -P(+ ÐOne€other€point€about€that„„you€are€required€to€install,€calibrate,€maintain,€and€operate€all€monitoringÏâ âequipment€in€compliance€with€the€manufacturer's€recommendations,€which€is€another€example€ofÏthe€type€of€requirement€that€becomes€enforceable€essentially€the€same€way.ÌÌA€revision€to€the€rule€that€is€currently€being€considered€allows€monitoring€equipment€to€be€installed,Ïcalibrated,€maintained,€and€operated€in€compliance€with€manufacturerððs€recommendations€òòoróó€otherÐ ` ° Ðwritten€procedures€that€provide€adequate€assurance€that€equipment€will€monitor€accurately.ÌÌ14.€€òòQuestionóó:€€Do€the€construction€permit€approval€requirements€of€ðð63.5€apply€to€the€installationÐ 0 € Ðof€a€new€process€unit€in€an€existing€refinery?€€Assume€that€the€new€process€unit€would€have€aÏpotential€to€emit€greater€than€10€tons€per€year€of€one€HAP.€Ìà Š àòòÌAnsweróó:€€Yes,€they€do.€€You€would€have€to€comply€with€those€requirements€(it€is€not€consideredÐ ð@  Ðreconstruction).Ì€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€ÌÐ  À Ðà Š àà@à à 0ìàMONITORING€AND€INSPECTIONSˆÌà Š àÌ1.€€òòQuestionóó:€€Is€the€reconstructed€source€under€ðð63.640(k)(2)€the€whole€refinery€or€just€the€processÐ à Ðunit?€€Ìà Š àòòÌAnsweróó:€€Basically,€this€is€a€question€about€applicability€and€the€designation€of€affected€source.€Ð ` ° Ð"Source"€has€a€statutory€definition.€€It€is€the€entire€contiguous€facility€under€common€control,€soÏsource€in€this€particular€case€means€the€whole€source,€the€whole€refinery.€€And,€of€course,€the€sheerÏsize€of€the€typical€refinery€makes€it€difficult€to€trigger€reconstruction€(50€percent€of€the€cost€of€theÏfacility).ÌÌ2.€€òòQuestionóó:€€What€kind€of€monitoring€equipment€is€expected€to€be€used€to€continuously€monitorÐ P  Ðeffluents€before€co„mingling?€€What€parameters€must€be€measured?Ìà Š àòòÌAnsweróó:€€Although€"effluents"€is€the€word€used€in€the€General€Provisions,€you€could€say€"ventÐ Ð  Ðstreams."€€There€is€no€requirement€to€monitor€any€streams€under€the€Refinery€Ô_ÔMACTÔ_Ô€rule.€€ThereÏare,€however,€some€requirements€to€monitor€the€control€device€(described€in€ðð63.644).€€You€wouldÏbe€monitoring€the€inlet€and€outlet€of€the€control€device,€so€you€could€say€that€such€a€stream€is€co„¼mingled,€but€there€is€no€actual€requirement€to€monitor€the€stream€in€the€Refinery€Ô_ÔMACTÔ_Ô,€just€theÏefficiency€of€the€control€device.ÌÌReferring€to€the€General€Provisions€language,€it€says€that€if€you€have€co„mingled€vents€fromÏdifferent€affected€sources,€they€must€be€monitored€independently.€€Since€there€is€only€one€affectedÏsource€in€Refinery€Ô_ÔMACTÔ_Ô,€clearly€you€can€co„mingle€different€vents€from€different€emission€points.ÌÌ3.€€òòQuestionóó:€€Does€the€boiler€performance€test€require€the€establishment€of€a€residence€time?€Ð  p Ðà Š àòòÌAnsweróó:€€No,€all€you€need€to€do€is€sample,€analyze,€and€determine€either€the€percent€control€or€thatÐ P Ðthe€outlet€organic€HAP€content€is€less€than€20€parts€per€million.€€At€the€same€time,€you€wouldÏestablish€a€range„„either€a€maximum€or€a€minimum„„for€some€parameter€of€the€control€device,€andÏthat's€typically€temperature€either€in€the€firebox€or€the€combustion€zone,€or€into€and€out€of€theÏcatalyst€bed.€€There€is€a€further€note€that€this€is€a€requirement€for€Ô_ÔCVSÔ_Ô€(closed€vent€systems).€€UnderÏcertain€rules,€there€is€a€requirement€for€the€control€device,€but€not€the€Ô_ÔCVSÔ_Ô,€to€be€monitored€forÏresidence€time€or€verification€that€the€design€has€adequate€residence€time.€€And€in€general,€thatÏdoesn't€apply€here.€€If€you€go€the€Subpart€Ô_ÔVVÔ_Ô€option€and€you€enclose€(instead€of€monitor)€the€valveÏand€vent€it€to€a€closed€vent€system€to€a€control€device,€then€it€would€have€a€residence€timeÏrequirement€under€the€General€Provisions€for€the€control€device.€€However,€that€is€an€option.€€YouÏdo€not€have€to€elect€that.€€You€can€do€the€demonstration,€and€it€can€be€a€design€evaluation€underÏSubpart€Ô_ÔVVÔ_Ô€and€the€tank€rules.€€ÌÌ4.€€òòQuestionóó:€€Someone€asked€me€to€explain€my€comment€about€introducing€the€vent€stream€outsideÐ 0*€%( Ðof€the€flame€zone€and€then€triggering€a€performance€test€requirement.€€ÌòòAnsweróó:€€If€you€want€to€control€a€vent€stream€by€introducing€it€into€a€boiler€or€process€furnace€andÐ ,`'* Ðthat€boiler€or€process€furnace€has€a€heat€input€greater€than€44€megawatts,€you€have€no€requirementÏto€do€any€monitoring.€€You€also€have€no€requirement€to€do€any€monitoring€if€you€introduce€it€intoÐ ð-@), Ðthe€flame€zone€of€any€boiler€or€process€heater.€€"Flame€zone"€is€defined€as€the€envelope€created€byÏthe€flame.€€You€cannot€introduce€it€outside€of€the€flame€(at€the€top€of€the€radiance€section€or€in€theÏconvective€section,€etc.)€in€order€to€meet€this€requirement.€€ÌÌ5.€€òòQuestionóó:€€What€is€the€monitoring€requirement€for€a€thermal€oxidizer€(a€forced€draft€flare€withÐ pÀ Ðpilot€and€supplemental€fuel)€if€a€backup€flare's€monitoring€requirement€is€the€only€evidence€of€aÏpilot?€€Ìà Š àòòÌAnsweróó:€€There€are€three€things€to€point€out€here.€€First€of€all,€if€you€are€talking€about€an€air„assistÐ 0 € Ðflare,€that€has€different€requirements€than€an€enclosed€oxidizer.ÌÌSecond,€the€straightforward€answer€is€that€you€still€have€to€monitor€the€temperature€in€the€firebox.€ÏÌAnd€the€third€thing€is€that€it€is€not€just€evidence€of€the€pilot€that€you€have€to€monitor€in€the€flare.€ÏYou€also€have€to€be€aware€of€the€other€requirements€in€the€General€Provisions,€ðð63.11(b),€such€asÏthe€minimum€net€heating€value€of€the€gas€stream€and€the€maximum€exit€velocity.€€Under€ðð63.11(b),Ïit's€a€one„time€test.€€The€requirement€depends€on€whether€you€have€an€enclosed€device€or€an€air„¼assist€flare.€€You€should€check€ðð63.644(a)(1)€and€ðð63.11(b)€to€determine€the€differences.ÌÌ6.€€òòQuestionóó:€€Under€Refinery€Ô_ÔMACTÔ_Ô,€a€process€vent€can€be€directed€to€a€flare€for€control.€€If€a€flareÐ €Ð Ðis€already€subject€to€Ô_ÔNSPSÔ_Ô€Subpart€J€and€must€be€monitored€for€Hòò2óóS,€does€this€mean€the€process€ventÐ pÀ Ðis€subject€to€Hòò2óóS€monitoring€as€well?€€Or€is€it€strictly€limited€to€the€monitoring€required€underÐ `° ÐRefinery€Ô_ÔMACTÔ_Ô€no€matter€what€the€flare€is€subject€to?€Ìà Š àòòÌAnsweróó:€€The€process€vent€is€not€subject€to€Hòò2óóS€monitoring.€€There€is€no€requirement€in€RefineryÐ 0€ ÐÔ_ÔMACTÔ_Ô€to€monitor€any€kind€of€compositional€qualities€of€the€stream€itself;€merely€that€the€controlÏdevice€meets€performance€parameters.€€So€the€answer€to€the€second€part€would€be,€yes,€it€is€strictlyÏlimited€to€the€monitoring€required€under€Refinery€Ô_ÔMACTÔ_Ô.€€The€larger€question€is€whether€theÏaddition€of€the€stream€to€the€gas€going€to€the€flare€modifies€the€composition€of€the€flare€gas€enoughÏto€change€the€Ô_ÔNSPSÔ_Ô€Subpart€J€requirements.€€I€would€assume€that€they€are€independently€enforceableÏand,€regardless€of€what€you€mix€to€send€to€the€flare,€you€have€to€meet€the€Ô_ÔNSPSÔ_Ô€Subpart€JÏrequirements€as€well.ÌÌ7.€€òòQuestionóó:€€Are€hourly€flare€pilot€monitoring€records€to€be€instantaneous€readings€recorded€onceÐ  #ð! Ðper€hour€or€can€they€be€hourly€averages€of€the€amount€of€time€the€flare€pilot€was€actually€on?€Ìà Š àòòÌAnsweróó:€€Neither€the€Refinery€Ô_ÔMACTÔ_Ô€rule€nor€the€General€Provisions€has€a€recording€requirementÐ p&À!$ Ðfor€this€variable.€€The€General€Provisions€say€you€have€to€"monitor€the€flare€presence€at€all€times."€ÏThe€Refinery€Ô_ÔMACTÔ_Ô€calls€for€a€device€capable€of€continuously€detecting€the€pilot€flame.€€ThereÏreally€is€no€recording€requirement,€but€there€is€a€requirement€to€monitor€continuously.€€There€is€aÏrequirement€to€make€a€record€if€you€do€not€have€any€of€the€pilots€on,€but€you€do€not€have€to€haveÏcontinuous€records€to€prove€that€your€flare€was€on.€€You€have€to€be€able€to€show€to€enforcement€thatÏyour€system€would€be€capable€of€detecting€an€outage,€should€they€question€the€fact€that€you€do€notÏhave€any€records.€€ÌÐ ð-@), Ð8.€€òòQuestionóó:€€Is€there€a€specified€frequency€in€documentation€for€every€liquid€component€„„€sight,Ð ° Ðsound,€and€smell€inspections?€Ìà Š àòòÌAnsweróó:€€No.€€Neither€Subpart€Ô_ÔVVÔ_Ô€nor€the€HON€specifies€a€frequency,€only€a€requirement€to€do€theÐ €Ð Ðmonitoring.€€Once€you€actually€perform€the€Method€21€monitoring,€you€trigger€the€documentationÏrequirements€for€that€monitoring.€€ÌÌ9.€€òòQuestionóó:€€Why€would€you€want€to€volunteer€to€monitor€connectors€for€fugitive€emissions?€€Ð @  Ðà Š àòòÌAnsweróó:€€The€straightforward€answer€is€that€if€you€look€at€Tables€8€and€9€in€the€Refinery€Ô_ÔMACTÔ_ÔÐ  p  Ðrule,€you€get€larger€bands€for€the€percent€leakers€in€the€Phase€3€program€for€the€modified€HON.€€ThisÏshould€in€theory€translate€to€reduced€frequency€of€monitoring€for€valves€and,€therefore,€overallÏreduced€stringency€of€the€program.€€Some€States€may€already€require€a€connector€monitoringÏprogram.€€The€provision€for€voluntary€connector€monitoring€was€put€in€there€to€say€that€for€thoseÏof€you€who€are€doing€it€already,€maybe€this€would€be€beneficial€because€it€does€give€you€a€lessÏfrequent€Federal€requirement€for€monitoring.€€Some€States€may€have€less€frequent€monitoring€underÏthose€circumstances.ÌÌ10.€€òòQuestionóó:€€Does€maximum€achievable€control€technology€(Ô_ÔMACTÔ_Ô)€have€any€relationship€to€theÐ à Ðequipment€used€for€fugitive€emissions€monitoring?€€In€other€words,€does€Ô_ÔMACTÔ_Ô€require€automatedÏdata€collection€systems€utilizing€machine„readable€tags€for€component€identification€and€dataÏintegrity?€Ìà Š àòòÌAnsweróó:€€No.€€As€the€Clean€Air€Act€points€out,€Ô_ÔMACTÔ_Ô€can€be€a€work€practice€if€an€emission€limitÐ @ Ðis€not€feasible.€€In€this€particular€case,€emission€limits€were€not€feasible€for€the€individual€leaker,€soÏthe€EPA€left€it€as€a€work€practice.€€You€are€required€to€perform€the€inspections€and€keep€records,€butÏhow€you€accomplish€this€is€entirely€up€to€you.€€It€is€anticipated€that€most€people€will€be€using€dataÏlogger€systems€and€the€like€because€of€the€sheer€volume€of€the€large€number€of€equipment€itemsÏinvolved.€€ÌÌ11.€€òòQuestionóó:€€Is€there€a€requirement€for€refinery€operators€to€inspect€the€tightness€of€tank€trucksÐ Ð  Ðloading€at€a€rack€that€is€contiguous€with€the€refinery?€Ìà Š àòòÌAnsweróó:€€There€is€no€requirement€for€refinery€operators€to€inspect€the€tightness€of€tank€trucks.€€It€isÐ  #ð! Ðthe€responsibility€of€the€owner€or€operator€of€the€source€to€load€only€into€vapor„tight€trucks.€€AndÏthose€trucks€are€required€to€have€documentation€of€their€vapor€tightness.€€You€are€required€to€verifyÏwithin€2€weeks€of€loading€that€the€truck€was€vapor„tight.€€And€if€you€by€error€loaded€a€Ô_ÔnonvaporÔ_Ô„¼tight€truck,€the€documentation€would€be€useful€in€ensuring€that€this€tank€was€not€reloaded.€€€The€ruleÏsays€that€the€owner€or€operator„„and€that's€defined€in€the€case€of€a€contiguous€source€as€the€personÏwith€common€control„„has€the€responsibility€to€keep€track€of€the€trucks€loading€at€the€racks.ÌÌ12.€€òòQuestionóó:€€Does€the€internal€inspection€of€an€internal€floating€roof€tank€require€an€inspectionÐ  +p&) Ðbelow€the€internal€roof?€€Ìâ âà Š àòòÐ -P(+ ÐAnsweróó:€€It€is€implicit€in€the€rule€that€the€answer€is€yes.€€This€would€be€the€only€way€to€dischargeÐ ° Ðâ âthe€inspection€requirements€of€ðð63.120(a)€of€40€Ô_ÔCFRÔ_Ô€63,€Subpart€G,€which€requires€you€to€inspectÏthe€seal.€€There€is€no€way€that€you€can€inspect€the€bottom€of€the€seal€from€the€top€of€the€tank€unlessÏyou€completely€remove€it.€€This€is€quite€obvious€in€dual„seal€systems€where€the€secondary€seal€isÏgoing€to€obscure€the€primary€seal,€but€even€if€you€had€a€continuous€liquid€mounted€seal€or€floatingÏlog,€you€still€have€to€get€underneath€it€to€see€the€bottom€of€the€primary€seal.€€ÌÌÔ#†°XEX X¿Xo…À¬#ÔÔ‡¡XEXX°XEÔ13.€€Must€a€pilot€flame€be€present€at€all€times€in€each€refinery€flare€pursuant€to€63.11(b)(5),€or€onlyÐ @  Ðwhen€gases€are€vented€to€the€flare?€€ÌÌñE ñò òñE ñAnswer:ñE ñò òñE ñ€€€ó óThe€intent€of€the€rule€was€to€require€continuous€monitoring€of€flare€pilots€at€all€times.€€Ð T  ÐBased€on€the€drafting€in€63.654€(g)(6),€I€believe€that€the€rule€requires€monitoring€of€flare€pilot€flamesÏand€reporting€whenever€there€is€an€operating€day€when€all€pilot€flames€are€absent.€€The€refinery€ruleÏdefines€continuous€records€as€one€reading€per€hour.€€€EPA€has€prior€determinations€for€Ô_ÔNSPSÔ_Ô€thatÏare€similar.€Ìà Š àÌ14.€€A€thermocouple,€ultraviolet€sensor€beam,€or€an€infrared€sensor€is€required€to€detect€the€presenceÏof€a€pilot€flame€pursuant€to€63.644(a)(2)„„€are€these€devices€considered€to€be€continuous€monitoringÏsystems€(CMS)€as€in€63.8?€€ÌÌñF ñò òñF ñAnswer:ñF ñó óñF ñ€Yes,€I€believe€these€systems€are€considered€to€be€CMS.€€However,€these€systems€are€notÏsubject€to€the€requirements€of€63.8€because€of€the€exemption€in€63.8(b)(1)(iii).€Note:€(The€only€wayÏthis€would€not€be€correct€is€if€the€subpart€CC€explicitly€said€that€flares€had€to€comply€with€theÏrequirements€in€63.8).€€The€intent€of€the€monitoring€requirement€was€to€ensure€that€if€a€gas€streamÏwere€vented€to€a€flare€that€it€would€be€controlled.€€€Hence,€we€want€to€be€certain€that€the€flare€willÏlight.€€Thus,€there€is€a€monitoring€obligation€on€the€flare€pilot€lights.Ì€Ô#†°XEXX¡XE…#ÔÔ‡¿Xo… XX°XEÔ€Ð È ÐÔ#†°XEX X¿Xo…¬#ÔÌÌÐ   ð Ðà@%%5ìàPROCESS€SAMPLINGˆÌÌ1.€€òòQuestionóó:€€What€exactly€is€"in„situ€sampling,"€and€what€kind€of€equipment€is€used?€€Ð ˆØ Ðà Š àòòÌAnsweróó:€€In„situ€sampling€is€sampling€of€a€gas€stream€that€is€continuously€going€through€either€aÐ `° Ðsampling€loop€or€some€other€very€small€bore€piping€directly€into€some€monitor.€€It€is€used€primarilyÏfor€quality€control€purposes.€€We€are€taking€a€small€slip€stream€into€a€gas€Ô_ÔchromatographÔ_Ô€or€someÏother€instrument€that€gives€you€a€feedback€loop€to€readjust€your€process€if€it€is€out€of€kilter.€€TheÏreason€in„situ€sampling€is€exempt€in€the€Rule€is€that€the€sampling€pipes€or€Ô_ÔtubingsÔ_Ô€are€very€small.ÌÌÌÌÌÐ  ¬ü  Ðà@­­7ìàÔ_ÔRECORDKEEPINGÔ_ÔˆÌÌ1.€€òòQuestionóó:€€What€are€examples€of€existing€records€that€may€be€allowed€by€a€State€ImplementationÐ ˆØ ÐPlan€(SIP)?€€Are€they€the€same€as€local€agency€records?€€Ìà Š àòòÌAnsweróó:€€Yes.€€For€example,€in€the€Galveston€area€they€have€Regulation€5,€which€is€a€very€tough€setÐ L œ Ðof€SIP€rules.€€It€requires€essentially€the€same€controls,€if€not€more€stringent,€than€the€Refinery€Ô_ÔMACTÔ_ÔÏRule.€€It€would€seem€reasonable€for€people€in€this€area€to€use€those€rules€in€lieu€of€the€RefineryÏÔ_ÔMACTÔ_Ô.€€The€General€Provisions€allow€you€to€do€that€and€also€keep€the€same€records€that€you€areÏalready€keeping€in€lieu€of€the€Ô_ÔrecordkeepingÔ_Ô€here.€€The€EPA€has€written€a€White€Paper€2€(located€onÏthe€Ô_ÔTTNÔ_Ô€Bulletin€Board),€which€allows€facilities€to€comply€with€more€stringent€local€rules€if€usingÏthe€Title€V€process.ÌÌà Š àOf€course,€this€would€have€to€be€negotiated€with€the€implementing€agency.€€Remember€the€SIPÏis€an€implementation€plan€by€which€the€local€agency€tells€the€EPA€how€it€plans€to€meet€theÏrequirements€of€a€Ô_ÔCTGÔ_Ô€or€similar€guidelines.€€Oftentimes,€particularly€in€Texas,€the€local€agency€willÏsay,€ð ðWeððll€do€this€to€comply€instead€of€that,€because€itððs€equivalent.ðð€€The€EPA€does€not€have€aÏproblem€with€that€as€long€as€you€are€getting€the€same€level€of€control.€€ÌÌà Š àPlease€note€that€the€process€of€getting€the€SIP€revision€accepted€may€be€time„consuming.€€WeÏhope€by€the€time€the€compliance€date€is€in€effect€for€this€Rule,€the€whole€SIP€will€be€revised€andÏaccepted€so€there€will€be€a€simple€way€to€consolidate€reports.€€We€put€that€in€this€Rule,€anticipatingÏthat€the€problem€would€be€corrected.€€But€in€and€of€itself,€the€provision€in€ðð63.640(q)€does€not€dealÏwith€the€problem.Ìà Š àÌ2.€€òòQuestionóó:€€How€long€do€performance€test€records€have€to€be€kept?€€And€after€the€complianceÐ ¼  Ðnotification,€are€they€needed?€€Ìà Š àòòÌAnsweróó:€€Performance€test€records€have€to€be€kept€for€5€years.€€Since€these€records€are€required€inÐ €Ð Ðthe€regulation,€they€need€to€be€kept€after€the€compliance€notification.Ìà Š àÌ3.€€òòQuestionóó:€€Do€Ô_ÔLDARÔ_Ô€performance€tests€have€to€be€submitted€with€the€compliance€report?€€AllÐ D!” Ðthe€records?€€Ìà Š àòòÌAnsweróó:€€It€depends€on€what€is€meant€by€an€Ô_ÔLDARÔ_Ô€performance€test.€€If€this€refers€to€annual€testingÐ $X" Ðof€equipment€required€under€Subpart€Ô_ÔVVÔ_Ô€such€as€something€designated€as€a€Ô_ÔleaklessÔ_Ô€valve€or€a€noÏdetectable€emissions€component,€I€do€not€believe€those€are€considered€to€be€performance€tests€thatÏhave€to€be€submitted.€€Such€tests€are€considered€routine€leak€inspections.€€However,€if€you€find€thatÏyou€are€exceeding€the€no€detectable€limit€(500€Ô_ÔppmÔ_Ô)€in€Subpart€Ô_ÔVVÔ_Ô,€that€would€be€considered€aÏviolation.€€ÌÌà Š àAll€of€the€records€documenting€the€various€details€in€the€compliance€status€report€do€not€need€toÏbe€submitted€with€the€report.€€Submitting€such€excess€documentation€is€not€required,€and€mayÏdisplease€your€local€enforcement€agency€if€they€receive€it.Ìâ âÐ @-(, ÐÔ‡¿Xo… XX°XEÔ4.€€òòQuestionóó:€€This€question€pertains€to€one€of€the€slides€on€storage€tanks€(workshop€presentation).€Ð ° Ðâ âIt€says,€"Slide€10,€second€bullet€from€the€bottom€„„€filling€or€filing?"€Ìà Š àòòÌAnsweróó:€€In€slide€10,€I€am€referring€the€requirement€to€report€in€advance€when€you€refill€your€tank.€Ð €Ð ÐTo€quote€from€the€rule„„"shall€notify€the€Administrator€at€least€7€calendar€days€prior€to€refilling€ofÏthe€storage€vessel."€€Notification€shall€be€made€by€telephone€immediately€followed€by€writtenÏdocumentation,€demonstrating€why€the€inspection€was€unplanned.€€This€notification€may€also€beÏmade€in€writing€so€that€it€is€received€by€the€Administrator€at€least€7€calendar€days€prior€to€theÏrefilling.€€So€while€there€is€nothing€in€the€rule€that€requires€you€to€keep€a€record€of€when€you€refillÏyour€tank,€you€do€have€a€requirement€to€notify€EPA€to€provide€7€calendar€days„„the€other€one€wasÏ30€calendar€days„„to€give€the€EPA€an€opportunity€to€inspect,€if€you€are€doing€your€yearly€inspection.€ÏSo€the€only€way€that€you€can€prove€that€you€did€give€them€the€30€days€is€to€have€a€record€showingÏwhen€you€refilled€it,€when€the€tank€was€emptied,€and€when€it€was€refilled.€€ÌÌ5.€€òòQuestionóó:€€Does€"readily€accessible"€mean€that€all€records€including€performance€tests,€lab€tests,Ð Ð  ÐP&I€drawings,€Ô_ÔVOCÔ_Ô,€etc.€need€to€be€in€file€cabinets€all€located€at€the€same€office€or€can€lab€reportsÏbe€in€the€lab,€maintenance€records€be€at€the€refineries€in€the€maintenance€department,€etc.?€Ìà Š àòòÌAnsweróó:€€All€the€rule€says€is€that€you€have€to€be€able€to€produce€the€records€within€24€hours.€€It€doesÐ à Ðnot€tell€you€where€you€have€to€keep€them.€€You€can€keep€them€on„site€or€off„site.€€If€you€can€getÏthose€records€to€them€in€24€hours,€that€is€considered€readily€accessible.ÌÌ6.€€òòQuestionóó:€€How€many€full„time€employees€are€necessary€to€handle€the€Refinery€Ô_ÔMACTÔ_Ô€for€aÐ P  Ð100,000€barrel„per„day€refinery?€€€Ìà Š àòòÌAnsweróó:€€It€would€depend€on€the€particular€refinery.€€It€is€obvious€that,€for€the€fugitive€emissionsÐ  p Ðmonitoring€program,€the€larger€refineries€are€going€to€need€more€people€than€the€smaller€refineries.€ÏBut€it€will€depend€upon€your€refinery€and€whether€or€not€you€have€an€inspection€monitoring€programÏright€now€that€is€usable€for€the€Ô_ÔMACTÔ_Ô€requirements.ÌÌ7.€€òòQuestionóó:€€If€we€choose€the€Subpart€Ô_ÔVVÔ_Ô€compliance€method,€do€the€Subpart€Ô_ÔVVÔ_Ô€records€andÐ Ð  Ðreporting€requirements€apply?€€Do€any€refinery€Ô_ÔMACTÔ_Ô€records€and€reports€apply€if€Subpart€Ô_ÔVVÔ_ÔÏrecords€and€reports€apply?€€Ìà Š àòòÌAnsweróó:€€No.€€If€you€choose€Subpart€Ô_ÔVVÔ_Ô,€you€only€do€the€reporting€for€Subpart€Ô_ÔVVÔ_Ô.€€An€additionalÐ $à" Ðpoint€is€that€Subpart€Ô_ÔVVÔ_Ô's€records€section€applies€only€to€Ô_ÔVOCÔ_Ô,€not€HAP.€€Subpart€Ô_ÔVVÔ_Ô€is€a€Ô_ÔVOCÔ_ÔÏregulation.€€So,€of€course,€Subpart€Ô_ÔVVÔ_Ô€may€apply€to€things€that€do€not€have€HAP€in€them,€and€thatÏcould€cause€some€confusion€at€your€refinery.€€Ìà Š àÌ8.€€òòQuestionóó:€€You€stated€that€if€the€flareð ðs€only€pilot€is€out€for€24€hours,€you€have€an€excursion.€€IfÐ @)$' Ðthe€pilot€operated€1€hour€out€of€a€24„hour€period,€would€you€be€in€compliance€for€that€day€underÏÔ_ÔdefineryÔ_Ô€Ô_ÔMACTÔ_Ô?€Ìà Š àòòÌAnsweróó:€€Yes.€€The€24„hour€period€comes€from€a€specific€requirement,€and€is€how€a€period€of€excessÐ -P(+ Ðemissions€is€defined€in€the€Refinery€Ô_ÔMACTÔ_Ô€rule€under€ðð63.654(g)(6)(Ô_ÔiÔ_Ô).€€It€says€that€all€the€pilotsÐ ð-@), Ðhave€to€be€out€for€24€hours€straight,€an€operating€day,€for€it€to€be€a€period€of€excess€emissions€thatÏhas€to€be€reported€in€an€Excess€Emissions€Report.€€If€you€go€out,€however,€for€1€hour€or€some€otherÏperiod,€then€you€go€into€your€startup,€shutdown,€and€malfunction€plan.€€As€long€as€you€do€what€isÏconsistent€with€that€plan,€you€are€not€out€of€compliance€with€the€Refinery€Ô_ÔMACTÔ_Ô.€€ÌÌà Š àYou€have€a€requirement€to€monitor€and€keep€records€of€whether€or€not€your€pilot€is€on€and€itÏcomes€from€ðð63.654(Ô_ÔiÔ_Ô)(3),€where€it€says,€ð ðeach€owner€or€operator€required€to€continuously€monitorÏoperating€parameters€under€ðð63.644€for€miscellaneous€process€vents€or€under€ðððð63.652€and€63.653Ï...€shall€keep€the€records€specified€in€(Ô_ÔiÔ_Ô)(3)(Ô_ÔiÔ_Ô)€through€(Ô_ÔiÔ_Ô)(3)(v)€...",€and€it€says€operators€must€recordÏeither€each€measured€data€value€or€block€averages€for€1€hour€or€shorter€periods.€€Paragraph€(Ô_ÔiÔ_Ô)(3)(iii)Ïrequires€daily€average€values€of€each€continuously€monitored€parameter€to€be€calculated€andÏrecorded.€€Ìà Š àà ` à€€Ì9.€€òòQuestionóó:€€Can€electronic€data€exchange€protocols€be€established€to€enable€streamlined€reportingÐ à0  Ðto€State€and€local€agencies€as€well€as€to€the€EPA?€€Ìà Š àòòÌAnsweróó:€€Yes.€€I€think€that€was€the€whole€point€of€why€the€allowance€for€electronic€media€was€putÐ ° Ðinto€the€rule.€€The€key€words€here€are€ð ðbe€established.ðð€€I€do€not€think€that€method€is€established€yet.€ÏThe€States€will€probably€decide€because€this€rule€will€be€delegated€to€the€States,€and€will€not€beÏimplemented€and€enforced€directly€by€the€EPA.€€So€whatever€you€come€up€with€will€be€through€theÏTitle€V€permit€process.€€You€should€be€able€to€work€that€out€with€your€State.€€You€can€just€submitÏthe€reports€on€a€computer€disk.€€€€ÌÌ10.€€òòQuestionóó:€€Would€the€EPA€Regional€offices€consider€requesting€record€Ô_ÔsubmittalÔ_Ô€on€demandÐ @ Ðonly,€to€avoid€having€to€warehouse€large€volumes€of€paper?€ÌÌòòAnsweróó:€€The€EPA€had€at€one€time€thought€about€just€not€requiring€any€reporting€whatsoever.€€ItÐ ` Ðturned€out€that€this€would€have€conflicted€with€the€Title€V€process.€€Title€V€of€the€CAA€requiresÏsemiannual€reports€to€show€you€are€in€compliance.€€€€€€ÌÌ11.€€òòQuestionóó:€€There€was€one€other€question€about€the€provisions€in€the€refinery€rule€that€allowÐ Ð  ÐStates€and€local€agencies€to€consolidate€the€reporting€and€Ô_ÔrecordkeepingÔ_Ô€requirements.€ÌÌòòAnsweróó:€€This€was€done€to€set€the€stage€for€some€consolidation€of€provisions€that€are€being€workedÐ  #ð! Ðon€right€now.€€In€the€Title€V€permit€process,€they€are€working€on€a€policy€to€allow€State€agencies€toÏcollapse€or€consolidate€several€overlapping€and€similar€monitoring€and€Ô_ÔrecordkeepingÔ_Ô€requirementsÏinto€a€single€requirement€to€use€as€your€applicable€requirement.€€We€are€also€working€with€CMA€onÏa€pilot€project€to€consolidate€the€Ô_ÔSOCMIÔ_Ô€rules€and,€as€part€of€that€process,€weð ðre€looking€moreÐ `'°"% Ðbroadly€at€the€possibility€of€setting€things€up€so€that€States€can€put€their€rules€into€this€consolidatedÏrule.€€Then€you€could€collapse€all€the€provisions€into€one€set€of€applicable€requirements€in€theÏpermit.€ÌÔ#†°XEX X¿Xo…ø#ÔÌÌÐ  ø,H(+ Ðà@  0ìàREPORTING€AND€NOTIFICATIONSˆÌÌ1.€€òòQuestionóó:€€Is€reporting€under€the€Benzene€Waste€Operations€Ô_ÔNESHAPÔ_Ô€(40€Ô_ÔCFRÔ_Ô€61€Subpart€FF)Ð ˆØ Ðstill€required€if€a€unit€is€subject€to€the€HON?€€€€Ìà Š àòòÌAnsweróó:€€A€recent€revision€to€the€Refinery€Ô_ÔMACTÔ_Ô€Ô‡¿Xo… XX°XEÔ(63FR44135,€August18,€1998)Ô#†°XEX X¿Xo…Ä8#Ô€allowsÐ L œ Ðowners/operators€to€comply€with€only€the€requirements€of€the€HON€if€both€the€HON€andÏ40Ô_ÔCFRÔ_Ôpart61,€subpart€FF€apply.€ÌÌ2.€€òòQuestionóó:€€Could€you€provide€some€examples€of€pollutants€that€are€being€controlled,€the€controlÐ  `  Ðdevice€and,€generally,€what€records€and€notices€are€required?€€Ìà Š àòòÌAnsweróó:€The€question€here€is€to€work€through€an€example€of€a€vent€stream€and€how€it€would€beÐ Ô$  Ðcontrolled€and€what€you€would€monitor€and€what€you€report€and€record.€€I€tried€to€come€up€withÏsome€quick€examples€due€to€limited€time.€€One€that€came€to€mind€immediately€was€the€example€ofÏan€amine€scrubber€at€your€sulfur€recovery€unit€(Ô_ÔSRUÔ_Ô).€€Assume€there€is€a€three„phase€separator€atÏthe€front€end€of€the€rich€amine€three„phase€separator€and€it€is€floating€on€the€flare.ÌÌThe€pollutants€that€may€be€released€could€be€any€of€the€range€of€light€hydrocarbons€that€are€alsoÏHAP.€€If€you€are€scrubbing€a€stream€that€has€that€material€in€it,€or€small€trace€concentrations€thatÏmight€get€knocked€down,€they€could€vaporize€and€float€up€into€the€flare.€€The€flare€then€becomes€aÏcontrol€device€if€the€vent€off€the€top€of€the€three„phase€separator€meets€the€definition€of€a€Group€1Ïvent.€€Then€you€would€have€to€meet€the€requirements€in€ðð63.11(b)€for€the€flare€(i.e.,€that€there€areÏno€visible€emissions,€that€the€heat€content€of€the€gas€meets€the€limits€in€the€Rule,€and€that€the€exit€Ìvelocity€from€the€flare€meets€certain€limits).ÌÌAnother€example€would€be€the€emissions€from€the€vacuum€ejector€on€a€vacuum€tower€at€the€crudeÏunit.€€Assume€you€are€venting€the€Ô_ÔtailgasÔ_Ô€(or€Ô_ÔhotwellÔ_Ô€gas)€into€a€flare.€€You€would€have€the€sameÏrequirements€as€we€were€talking€about€with€the€three„phase€separator.€€Alternatively,€you€could€ventÏthe€Ô_ÔtailgasÔ_Ô€into€a€fuel€gas€system,€in€which€case€the€Ô_ÔtailgasÔ_Ô€disappears€from€the€regulatory€schemeÏbecause€it€meets€the€fuel€gas€exemption€or€you€could€route€the€Ô_ÔtailgasÔ_Ô€to€the€firebox€of€a€heater€whereÏit€is€then€defined€as€a€Group€1€miscellaneous€process€vent,€but€there€are€noÏmonitoring/Ô_ÔrecordkeepingÔ_Ô/reporting€requirements.ÌÌAnother€alternative€is€to€direct€the€Ô_ÔtailgasÔ_Ô€to€a€vent€gas€stack€to€control€by€incineration.€€In€this€case,Ïyou€would€be€subject€to€monitoring€the€firebox€temperature€or€the€catalyst€inlet€and€outletÏtemperatures.€€You€would€have€to€record€those€readings€and€report€any€periods€of€noncompliance.ÌÌOne€of€the€challenges€of€the€rule€is€that€you€need€to€evaluate€your€units€to€figure€out€what€your€ventÏgas€streams€are,€and€then€take€your€knowledge€of€those€streams€and€place€those€streams€into€theÏcorrect€boxes„„not€a€process€vent,€a€Group€1€process€vent,€a€Group€2€process€vent.€€A€lot€of€us€tendÏto€think€of€a€process€vent€as€something€that€you€throw€away€from€the€process,€but€we€tend€to€forgetÏthat€a€lot€of€the€distillation€tower€accumulators€will€bleed€off€into€the€fuel€gas€system€or€to€a€lowÏpressure€utility€gas€system.€€We€tend€to€forget€about€knockout€drums€floating€on€flare€systems,€andÏabout€vacuum€ejectors€going€to€Ô_ÔblowdownÔ_Ô€stacks.€€The€challenge€will€be€to€draw€an€envelope€aroundÏour€process€units€and€find€all€these€streams€and€assign€them€to€the€right€categories.Ð @.)- Ї3.€€òòQuestionóó:€€Is€immediate€notification€required€for€a€Ô_ÔSOCMIÔ_Ô€HON€unit€shutdown€if€it€does€notÐ ° Ðresult€in€any€excess€emissions?€€Example:€€the€unit€is€shut€down€due€to€economics,€and€noÏmaintenance€is€performed.€€If€so,€please€describe€the€proper€reporting€requirements.Ìà Š àòòÌAnsweróó:€€This€was€not€the€intention.€€However,€the€rule€could€be€misconstrued€to€say€otherwise€atÐ `° Ðthe€present€time.€€The€EPA€intends€to€make€a€technical€clarification€to€the€HON€so€that€this€kind€ofÏissue€is€addressed.€€They€did€not€intend€for€reports€to€be€required€for€this€kind€of€situation.Ìà Š àÌ4.€€òòQuestionóó:€€What€agencies€would€want€these€reports€concerning€notification€of€process€unitÐ  ` Ðshutdown?€€To€whom€do€you€send€the€reports?€€€€Ìà Š àòòÌAnsweróó:€€That€depends€on€which€agency€has€enforcement€authority.€€If€the€EPA€AdministratorÐ Ô$  Ð(Regional€office)€is€the€right€place€as€stated€in€the€regulation,€then€you€need€to€send€the€report€thereÏunless€some€sort€of€delegation€has€occurred.Ìà Š àÌ5.€€òòQuestionóó:€€If€you€elect€to€comply€with€Subpart€Ô_ÔVVÔ_Ô€for€the€Ô_ÔMACTÔ_Ô€Ô_ÔLDARÔ_Ô€program,€can€theÐ „Ô  Ðsemiannual€report€be€incorporated€with€the€current€Ô_ÔNSPSÔ_Ô€semiannual€report€and€be€submittedÏaccording€to€the€same€schedule€currently€used?€€Ìà Š àòòÌAnsweróó:€€Yes,€but€you€have€to€look€carefully€through€40€Ô_ÔCFRÔ_Ô€63,€Subpart€A,€the€General€Provisions,Ð 4„ Ðfor€the€exact€approval€provision€in€that€regulation€because€it€does€allow€for€a€State€to€coordinate€theÏscheduling€of€required€reports.€€Ìà Š àÌ6.€€òòQuestionóó:€€Are€performance€evaluations€for€continuous€monitoring€systems€reported€in€theÐ ä4 Ðnotification€of€compliance€status€the€same€as€the€RATA's€under€Ô_ÔNSPSÔ_Ô€rules?€€(p.€234)€€Ifso,€is€thisÏa€redundant€Federal€reporting€requirement?€€Ìà Š àòòÌAnsweróó:€€Probably€not.€€The€Ô_ÔNSPSÔ_Ô€apply€to€criteria€pollutants€and€the€Ô_ÔMACTÔ_Ô€Rules€are€forÐ ”ä Ðhazardous€air€pollutants.€€Although€sometimes€there€is€an€overlap€(e.g.,€benzene€is€a€HAP€and€alsoÏa€Ô_ÔVOCÔ_Ô),€I€think€it€would€be€unlikely€that€the€overlap€would€be€so€strong€that€the€test€you€areÏperforming€for€HAP€would€be€the€exact€same€test€you€would€run€when€looking€for€the€Ô_ÔNSPSÔ_Ô€criteriaÏpollutants.€€It€was€not€long€ago€that€they€finally€came€up€with€a€formal€specification€for€Ô_ÔVOCÔ_Ô.€€SoÏthere€are€not€a€lot€of€them€that€I€know€of.€€The€RATA€test€should€be€fairly€similar.€€ÌÌSuch€reporting€requirements€have€not€been€identified€as€a€problem.€€There€may€be€some€cases€whenÏyour€miscellaneous€process€vent€has€two€different€requirements„„a€20€Ô_ÔppmÔ_Ô€HAP€threshold€and€aÏÔ_ÔVOCÔ_Ô€limitÔ_Ô„„Ô_Ôif€you€have€already€done€a€performance€test€and€can€prove€Group€2€status€with€that,€IÏcannot€see€why€you€would€have€to€do€another€one.€€ÌÌHowever,€I€would€caution€you€about€doing€things€like€a€Group€2€determination€based€on€a€labÏanalysis€and€just€putting€the€lab€analysis€into€your€Lotus€spreadsheet€and€then€throwing€it€away€andÏkeeping€the€Lotus€spreadsheet.€€Someone€might€come€back€one€day€and€ask€where€the€X€parts€perÏmillion€HAP€came€from.€€So€you€would€need€that€analysis,€but€all€you€need€is€just€one€completeÏrecord.€€There€is€no€requirement€to€have€dual€records,€and€the€idea€of€going€to€an€electronic€formatÏis€just€to€help€people€save€those€records.Ìà Š àÐ ,.|)- Ð7.€€òòQuestionóó:€€Does€the€notification€of€compliance€status€apply€to€the€source's€status€as€of€August€18,Ð ° Ð1998€or€for€the€period€from€the€proposal€date€to€August€1998?€€Ìà Š àòòÌAnsweróó:€€This€report€is€really€intended€for€the€performance€test€results,€etc.€€The€first€report€is€forÐ tÄ Ða€6„month€period,€that€short€period€of€time€before€the€compliance€date,€so€you€have€about€3€monthsÏto€prepare€the€report.€€You€do€not€need€to€submit€your€long€equipment€leak€history€or€any€kind€ofÏlong€set€of€records€and€you€do€not€have€to€submit€a€complete€history€of€your€plan.€€Ìà Š àÌ8.€€òòQuestionóó:€€What€is€the€purpose€of€submitting€all€these€reports€when€nobody€looks€at€them,€andÐ  ` Ðthey€just€collect€dust€at€the€agency?€€Ìà Š àòòÌAnsweróó:€€There€is€a€valid€reason€for€requesting€some€reporting,€and€the€rules€do€not€require€you€toÐ Ô$  Ðreport€everything.€ÌÌIn€most€of€the€rules€I€have€been€involved€with,€we€(EPA)€have€tried€to€only€require€reporting€of€thoseÏthings€that€are€most€important€for€figuring€out€whether€or€not€people€are€on€the€right€track€and€toÏreceive€some€form€of€informational€status.€€Clearly€there€is€room€for€improvement€on€what€isÏreported.€€When€we€prepared€the€HON€as€well€as€the€Refinery€Rule,€we€evaluated€what€needed€toÏbe€reported.€€For€example,€we€do€not€require€you€to€submit€every€performance€test€as€was€done€inÏthe€Ô_ÔNSPSÔ_Ô.€€There€is€no€reason€for€submitting€redundant€Method€18€tests€on€thousands€of€differentÏthings.€€The€Agency€needs€to€know€that€the€idea€is€okay,€and€then€receive€some€summaryÏinformation.ÌÌSome€enforcement€offices€do€look€at€these€reports.€€One€reason€they€like€to€have€certain€informationÏis€that€it€gives€them€an€indication€as€to€who€might€be€misinterpreting€requirements€and€potentiallyÏhaving€a€long„term€violation.€€They€also€use€this€information€to€identify€facilities€for€inspections.€ÏAnd,€of€course,€this€information€is€also€sometimes€a€basis€for€enforcement€action.€ÌÌÔ‡¿Xo… XX°XEÔ9.€€òòQuestionóó:€€Is€there€an€estimate€of€the€time€needed€to€fulfill€the€reporting€and€Ô_ÔrecordkeepingÔ_ÔÐ €Ð Ðrequirements,€excluding€the€Ô_ÔLDARÔ_Ô€portion€of€the€Refinery€Ô_ÔMACTÔ_Ô?€Ìà Š àòòÌAnsweróó:€€You€should€look€at€the€information€collection€request€(ICR);€about€one„third€of€the€burdenÐ P!  Ðis€associated€with€the€non„Ô_ÔLDARÔ_Ô€requirements.€€In€calculating€the€burden,€the€EPA€assumed€thatÏvery€few€vents€would€go€to€a€control€device€that€required€monitoring;€i.e.,€most€vents€would€go€toÏa€fuel€gas€systems€or€boilers.€€ÌÌ10.€€òòQuestionóó:€€Are€quarterly€reports€for€emissions€averaging€required€if€there€are€no€exceptionsÐ &P!$ Ðduring€the€quarter?€Ìà Š àòòÌAnsweróó:€€You€are€still€required€to€submit€your€periodic€reports€because€you€have€to€report€the€creditsÐ Ð( $' Ðand€debits€calculations.€€Consult€ðð63.654(g)(8)€for€this€provision.€€ÌÌ11.€€òòQuestionóó:€€Is€the€initial€notification€required€120€days€after€promulgation;€i.e.,€after€August€18,Ð  +ð&* Ð1995?€Ìà Š àòòÐ €-Ð(, ÐAnsweróó:€€No.€€There€is€no€initial€notification€required.€Ð ° ÐÌ12.€€òòQuestionóó:€€Are€Ô_ÔLDARÔ_Ô€reports€to€be€included€with€the€periodic€reports€or€should€they€beÐ à Ðsubmitted€separately?€ÌÌòòAnsweróó:€€The€Ô_ÔLDARÔ_Ô€reports€are€to€be€included.€€You€should€take€a€look€at€the€òòFederal€Registeróó€(60Ð ` ° ÐFR€18030),€which€says€you€are€allowed€to€incorporate€the€Ô_ÔLDARÔ_Ô€reports€with€the€periodic€reports.€ÏÌÌ13.€€òòQuestionóó:€€Will€the€Refinery€Ô_ÔMACTÔ_Ô€rule€eliminate€redundant€reporting?€€Ð  p  Ðà Š àòòÌAnsweróó:€€My€opinion€is€that€some€redundant€reporting€has€been€eliminated.€€For€example,€the€EPAÐ P  Ðhas€given€the€States€the€authority€to€waive€certain€requirements€or€to€consolidate€requirements.€ÏThere€are€some€provisions€in€the€General€Provisions€as€well€that€allow€some€consolidation.Ìà Š àÌ14.€€òòQuestionóó:€€Is€monitoring€of€cooling€towers€covered€anywhere€under€Refinery€Ô_ÔMACTÔ_Ô?€Ð À Ðà Š àòòÌAnsweróó:€€No,€it€is€not€covered€under€this€rule.€€There€is€a€separate€cooling€tower€Ô_ÔMACTÔ_Ô€rule€(40Ð  ð ÐÔ_ÔCFRÔ_Ô€63,€Subpart€Q).€€In€the€HON,€there€is€a€provision€that€requires€sources€to€monitor€leaks€ofÏprocess€fluid€into€the€cooling€water,€which€is€under€discussion€in€the€HON€litigation.€€Basically,€theÏidea€there€was€to€do€something€to€bring€about€repair€of€leaks€of€process€fluid€into€your€cooler€water.€ÏFor€the€refinery€situation,€you€need€to€be€concerned€about€the€Ô_ÔBWONÔ_Ô€(40Ô_ÔCFRÔ_Ô€61,€Subpart€FF).€€TheÏÔ_ÔBWONÔ_Ô€picks€up€any€of€those€situations,€and€you€would€have€to€comply€with€it€under€the€Ô_ÔBWONÔ_ÔÏtreatment€requirements€if€you€do€have€a€leak€that€exceeds€10parts€per€million€benzene€in€the€water.ÌÌ15.€€òòQuestionóó:€€Do€periodic€reports€for€storage€tanks€replace€Ô_ÔNSPSÔ_Ô€reports€(e.g.,€Subpart€Kb,€etc.)?€Ð  p ÐOr€are€these€reports€submitted€in€addition€to€the€Ô_ÔNSPSÔ_Ô€reports?€€Ìà Š àòòÌAnsweróó:€€You€have€to€comply€according€to€which€rule€takes€precedence.€€However,€recent€revisionsÐ ð@ Ðto€the€Ô_ÔMACTÔ_Ô€rule€have€(63FR44135,€August18,€1998)Ô#†°XEX X¿Xo…K^#ÔÔ‡¿Xo… XX°XEÔ€made€storage€vessel€reporting€requirementÐ à0 Ðsimilar€for€the€various€applicable€rules.€€For€example,€if€your€tank€must€comply€with€Subpart€Kb,Ïpreviously,€you€would€report€every€gap€measurement,€not€just€when€you€are€out€of€compliance.€ÏPreviously,€this€report€would€be€submitted€within€60€days€of€inspecting.€€The€recent€revisions€to€theÏrule€€allows€reports€of€inspections€required€by€SubpartKb€€to€be€included€with€periodic€reports€andÏonly€require€reports€of€rim€seal€measurements€when€measured€gaps€or€calculated€gap€areas€exceedÏlimits€specified€in€Subpart€Kb.ÌÌ16.€€òòQuestionóó:€€In€reference€to€periodic€reporting€being€optional,€can€you€give€an€example€of€whenÐ `'°"% Ða€periodic€report€is€and€is€not€required?€Ìà Š àòòÌAnsweróó:€€You€need€to€report€any€time€you€have€a€compliance€exception€listed€in€ðð63.654(g)(1)Ð 0*€%( Ðthrough€(g)(6).€€However,€because€Ô_ÔLDARÔ_Ô€reports€are€consolidated€with€periodic€reports,€you€willÏalways€have€to€submit€a€periodic€report.€€There€is€no€circumstance€under€which€you€would€not€haveÏto€submit€a€periodic€report.ÌÐ ð-@), Ð17.€€òòQuestionóó:€€In€ðð63.640(m)(1),€there€is€a€requirement€to€submit€a€compliance€schedule€for€changesÐ ° Ðthat€move€a€"Group€2"€emission€point€to€a€"Group€1"€emission€point€within€180€days€after€theÏchange€is€made,€or€the€information€regarding€the€change€is€known€to€the€source.€Why€is€the€phrase,Ï"or€the€information€regarding€the€change€is€known€to€the€source"€necessary€when€up€to€3€years€isÏgiven€to€bring€the€changed€emission€point€into€compliance€with€the€existing€source€standards?€€IfÏ3€years€is€allowed€for€compliance,€why€must€the€180„day€clock€begin€ticking€before€the€changeÏactually€occurs?€€What€would€constitute€information€regarding€the€change€being€known€to€a€source?€Ìà Š àòòÌAnsweróó:€€My€opinion€is€that€the€EPA's€intent€is„„the€emphasis€is€on€the€"as€expeditiously€asÐ 0 € Ðpossible"„„"compliance€as€expeditiously€as€possible,"€and€not€the€"up€to€three€years."€€As€long€as€youÏhave€received€information€that€your€Group€2€emission€point€will€change€into€a€Group€1€emissionÏpoint,€I€believe€it€is€the€EPA's€intent€that€you€submit€a€compliance€schedule€as€soon€as€possible.€€AndÏthey€have€provided€180€days.ÌÌAnd€what€would€constitute€information€regarding€the€change€being€known€to€a€source?€€It€wouldÏreally€be€any€type€of€information;€e.g.,€if€you€are€informed€by€your€plant€operation€personnel€thatÏsomething€may€be€changing.€€So€to€me,€it€is€any€type€of€information€that€would€be€available.€€ÌÌ18.€€òòQuestionóó:€€Please€explain€the€waived€initial€notification€reporting€requirement€for€RefineryÐ à ÐÔ_ÔMACTÔ_Ô.€€How€is€this€different€from€the€HON?€€€Ìà Š àòòÌAnsweróó:€€One€of€the€primary€intents€of€the€initial€notification€is€that€the€regulatory€agencies€willÐ `° Ðknow€which€facilities€are€in€fact€subject€to€the€rule.€€Refinery€Ô_ÔMACTÔ_Ô€really€covers€most€of€theÏexisting€refineries;€as€far€as€we€know,€all€of€them.€€(There€may€be€a€few€that€are€under€the€25/10€Ô_ÔtpyÔ_ÔÏlimit.)€€So€these€refineries€are€all€published€in€the€trade€journals€and€people€know€where€theÏrefineries€are,€so€thatð ðs€the€reason€for€waiving€that€reporting€requirement.€€Ð  p ÐÌ19.€€òòQuestionóó:€€Do€we€use€the€Ô_ÔSOCMIÔ_Ô€HON€reports€and€frequencies€if€that€option€is€chosen€or,Ð P Ðalternatively,€do€we€submit€Ô_ÔNSPSÔ_Ô€reports€and€their€frequencies€if€the€Ô_ÔNSPSÔ_Ô€option€is€chosen?€€HowÏdo€these€reports€interact€with€Refinery€Ô_ÔMACTÔ_Ô€reports?€€€Ìà Š àòòÌAnsweróó:€€I€think€that€the€EPA€has€taken€care€of€this€in€the€final€rule€and€they€have€consolidated€theirÐ À! Ðrequirements;€the€reference€is€to€the€Ô_ÔSOCMIÔ_Ô€HON€section,€but€this€has€been€modified€to€be€moreÏin€line€with€the€Ô_ÔNSPSÔ_Ô€reporting€requirements.€€So€it€is€basically€the€same€frequency€as€Ô_ÔNSPSÔ_Ô€andÏthe€same€kind€of€report.€€If€anybody€finds€any€inconsistency,€we€would€like€to€know€about€it€becauseÏthat€will€be€something€that€we€will€want€to€discuss€with€the€EPA€as€we€are€streamlining€the€reportingÏrequirements.€€ÌÌThese€reports€are€part€of€the€Refinery€Ô_ÔMACTÔ_Ô€reports.€€For€the€initial€report€or€the€semiannualÏreports,€people€have€asked€about€the€level€of€detail€that€is€necessary.€€I€do€not€think€that€anybodyÏwants€to€see€all€the€details€of€your€monitoring€and€the€exact€values€monitored€for€each€individualÏcomponent€in€your€facility€(although€we€recognize€that€some€local€agencies€require€that).€€I€thinkÏwhat€the€EPA€has€envisioned€is€a€summary€focusing€on€the€exceptions€or€the€Ô_ÔexceedancesÔ_Ô.€€Ô#†°XEX X¿Xo…Vm#ÔÐ ,`'* Ðâ âÐ -P(+ ÐÔ‡¡XEXX°XEÔ20.€€òòQuestionóó:€If€a€new€Group€1€emission€point€is€added€or€created€after€the€August€18,€1998Ð ° Ðâ âcompliance€date,€when€is€the€notification€of€compliance€status€report€for€that€point€to€be€submitted?Ìà Š àòòÌAnsweróó:€A€recent€revision€to€the€Refinery€Ô_ÔMACTÔ_Ô€Ô#†°XEXX¡XEu#ÔÔ‡¿Xo… XX°XEÔ(63FR44135,€August18,€1998)Ô#†°XEX X¿Xo…ƒ#ÔÔ‡¡XEXX°XEÔ€allows€theÐ tÄ Ðnotification€of€compliance€status€report€for€a€new€Group€1€emission€point€to€be€included€in€theÏperiodic€report€for€the€reporting€period€in€which€the€Group€1€emission€point€was€added.€€Similarly,Ïif€a€storage€vessel€is€brought€into€compliance€after€August€18,€1998,€the€notification€of€complianceÏstatus€report€for€the€vessel€is€now€to€be€included€in€the€periodic€report€for€the€reporting€period€inÏwhich€the€vessel€was€brought€into€compliance.€€The€report€is€to€include€a€list€of€Group€1€storageÏvessels€and€either€the€actual€or€anticipated€date€of€compliance€for€each€vessel.Ô#†°XEXX¡XE`ƒ#ÔÐ  `  ÐÐ  ü L  Ðà@±±7ìàMISCELLANEOUSˆÌÌ1.€€òòQuestionóó:€€Who€can€sign€the€certification€of€the€need€for€shutdown?€€€€Ð ˆØ Ðà Š àòòÌAnsweróó:€€The€Rule€does€not€specify€any€particular€signature€authority.€€There€is€nothing€like€the€TitleÐ `° ÐV€type€of€certification.€€But€the€rule€does€imply€that€the€signature€has€to€be€by€someone€ofÏsupervisory€capacity,€not€just€the€operatorððs.€€The€signature€does€not€have€to€be€from€a€plant€managerÏor€company€VP,€but€someone€other€than€just€the€person€that€is€doing€the€monitoring.€€Somebody€hasÏto€confirm€that€there€was€a€need€to€do€a€shutdown€so€that,€in€case€it€ever€gets€questioned€anÏinspection€situation,€there€will€be€somebody€that€can€document€that€they€went€through€the€analysis.ÌÌA€recent€revision€to€the€rule€(63FR44135,€August18,€1998)€allows€the€name€of€the€person€makingÏthe€decision€to€delay€the€equipment€leak€repairs€to€be€recorded€instead€of€requiring€a€signature.Ìà Š àÌ2.€€òòQuestionóó:€€For€Ô_ÔMTBEÔ_Ô€at€a€refinery,€how€much€Ô_ÔMTBEÔ_Ô€is€needed€to€qualify€it€as€the€primaryÐ ˜è  Ðproduct?€€€Ìà Š àòòÌAnsweróó:€€Letððs€hypothetically€say€you€have€four€output€streams€on€the€unit€and€none€of€them€areÐ \¬ Ðrecyclable,€they€are€legitimately€four€different€product€streams.€€Assume€one€output€is€30€percent€andÏthen€divide€up€the€remaining€70€percent.€€In€this€case,€the€predominant€stream€(30percent)€is€theÏprimary€product.€€It€is€important€to€note€that€the€primary€stream€does€not€necessarily€have€to€beÏgreater€than€50€percent€(e.g.,€a€unit€with€four€output€streams).ÌñG ñà Š àÌñG ñà Š àÌ3.€€òòQuestionóó:€€How€do€you€incorporate€the€Ô_ÔMACTÔ_Ô/HON€standard€into€your€facilityððs€Title€V€permit,Ð ä4 Ðespecially€for€Ô_ÔMACTÔ_Ô€standards€with€future€requirements€with€known€effective€dates?€€Would€it€beÏproper€to€detail€a€compliance€schedule€(with€milestones)€to€achieve€or€would€it€be€correct€to€makeÏa€general€statement€that€compliance€will€be€achieved€by€the€effective€date€without€any€commitmentÏto€interim€monitoring,€Ô_ÔrecordkeepingÔ_Ô,€and€reporting€for€the€interim€period€(until€the€effective€date)?€ÏÌòòAnsweróó:€€I€would€specify€interim€dates€and,€of€course,€you€can€always€provide€additional€detail€onÐ l¼ Ðyour€compliance€schedule.ÌÌThe€question€about€milestones€raises€the€issue€of€whether€these€are€enforceable€dates€of€construction,Ïpossible€construction,€or€other€issues€that€you€are€committing€yourself€to.€€You€do€not€want€toÏprovide€those€dates€unless€you€think€that€you€can€meet€those€dates.€€If€you€are€using€the€waiverÏprovisions,€there€are€milestone€requirements€in€the€General€Provisions€that€you€would€have€toÏprovide€at€that€time.ÌÌYou€need€to€consider€the€Ô_ÔtimelineÔ_Ô€for€compliance€either€when€submitting€your€Title€V€permit€or€atÏleast€have€a€Ô_ÔtimelineÔ_Ô€on€file.€€Some€of€the€things€you€need€to€include€in€the€Ô_ÔtimelineÔ_Ô€are€when€thingsÏwill€be€built,€notification€requirements€if€you€are€making€compliance€demonstrations,€or€someÏconstructions€associated€with€the€issues€that€you€have€to€make€those€notifications.€€These€dates€areÏimportant€to€have€set€accurately€and€you€will€be€submitting€those€if€your€engineering€firm€canÏprovide€you€an€exact€date€when€your€construction€is€going€to€be€begin.€€However,€I€do€not€see€thatÏâ âbeing€a€specific€requirement€at€this€time.Ð @-(, ÐSo€you€need€a€gross€statement€of€whether€compliance€will€be€achieved€by€the€effective€date.€€€Now,Ïâ âif€you€have€some€interim€dates€that€you€know€are€going€to€be€in€there,€particularly€for€the€fugitiveÏemissions€program,€and€you€realize€that€you€have€some€prior€notifications,€you€want€to€make€sureÏthat€the€agency€is€aware€that€you€are€knowledgeable€about€those.€€You€may€not€want€to€give€aÏspecific€date€but€you€should€make€the€notification€in€accordance€with€the€General€Provisions€priorÏto€a€compliance€test.Ìà Š àÌ4.€€òòQuestionóó:€€Please€define€a€closed€vent€system.€€€Ð $ t Ðà Š àòòÌAnsweróó:€€A€closed€vent€system€is€a€system€used€to€convey€gases€or€vapors€from€a€piece€of€regulatedÐ ü L  Ðequipment,€such€as€a€pressure€relief€valve,€to€a€control€device.€€The€system€is€made€out€of€heatingÏand€ventilation€type€duct€work,€or€it€may€be€ANSI€piping.€€Some€of€the€old€rules€had€a€requirementÏthat€you€had€to€obtain€an€annual€certification€that€you€were€getting€all€the€required€material€to€theÏcontrol€device.€€The€certification€was€the€result€of€enforcement€personnel€finding€a€facility€whereÏa€stream€was€subject€to€control€and€the€conveyance€system€had€a€hole€in€it.€€I€have€been€at€facilitiesÏwhere€there€was€a€pneumatic€conveyor€for€particulate€that€was€in€essence€shooting€arsenic€all€overÏa€hillside€because€there€was€a€hole€in€the€tube.€€But€that€type€of€conveyance€system€is€not€reallyÏlikely€or€prevalent€in€the€refinery€or€chemical€industry.ÌÌAs€a€result€of€some€data€that€we€have€received€over€the€years,€some€problems€have€arisen€with€theÏEquipment€Leak€Rule€resulting€in€somebody€insisting€that€the€entire€refinery€was€a€control€device.€ÏOver€the€years€we€have€tried€to€make€this€more€workable€which€is€the€reason€we€put€a€provision€inÏSubpart€Ô_ÔVVÔ_Ô€and€in€the€Refinery€Ô_ÔMACTÔ_Ô€Rule€making€it€clear€that€if€you€are€sending€a€stream€to€a€fuelÏgas€system,€the€fuel€gas€system€is€not€a€control€device€and€does€not€make€the€whole€refinery€subjectÏto€the€500€Ô_ÔppmÔ_Ô€no€detectable€emission€provision.ÌÌ5.€€òòQuestionóó:€€What€constitutes€a€control€device;€e.g.,€can€a€drum€be€considered€a€control€device?€€Ð ¨ø Ðà Š àòòÌAnsweróó:€€It€depends€upon€what€is€meant€by€"drum."€€Typically,€in€most€of€the€rules€and€in€Ô_ÔSubpartsÔ_ÔÐ €Ð ÐÔ_ÔVVÔ_Ô€and€H,€a€control€device€is€defined€as€a€vapor€recovery€device,€a€condenser,€or€an€incinerator„typeÏsystem.€€However,€if€by€drum€you€mean€a€can€containing€carbon,€that€would€be€a€control€device.€ÏBut€if€you€mean€a€drum€such€as€a€knockout€pot,€most€people€would€not€call€that€a€control€device.€ÏIt€has€to€be€some€type€of€active€system.€€Ìà Š àÌ6.€€òòQuestionóó:€€Is€there€a€good€API€or€other€guidance€document€concerning€what€should€be€in€aÐ $X" Ðstartup,€shutdown,€and€malfunction€plan?€€€Ìà Š àòòÌAnsweróó:€€No.€€The€startup,€shutdown,€and€malfunction€requirements€in€the€General€Provisions€areÐ Ì&"% Ðfairly€short.€€The€idea€is€not€to€dictate€every€section€and€every€point€that€you€would€want€to€makeÏin€your€plan,€but€to€leave€it€to€the€owner€or€operator€to€determine€what€is€appropriate€to€includeÏwithin€general€guidelines.€€There€is€language€in€the€preamble€or€possibly€the€Rule€itself€which€saysÏstandard€operating€procedures€(SOP's),€if€they€are€appropriate€to€the€Ô_ÔSSMPÔ_Ô,€may€be€incorporated.€ÏThe€plan€itself€may€be€the€standard€operating€procedures€if€in€fact€the€SOP's€contain€everything€thatÏthe€owner€or€operator€thinks€should€go€into€the€Ô_ÔSSMPÔ_Ô.Ìâ âà Š àÐ @-(, Ð7.€€òòQuestionóó:€€When€controlling€miscellaneous€process€vents€by€use€of€a€process€heater€that€is€greaterÐ ° Ðâ âthan€150€million€BTU's€per€hour,€would€a€permit€revision€be€needed€to€reclassify€the€process€heaterÏas€an€incinerator?€€€€Ìà Š àòòÌAnsweróó:€€The€Refinery€Ô_ÔMACTÔ_Ô€Rule€does€not€require€reclassification€of€a€heater€by€putting€a€ventÐ `° Ðstream€into€a€heater.€€However,€it€may€depend€on€where€you€are€located€or€what€your€permittingÏagency€requires.€€That€would€be€a€question€for€that€permitting€agency.€€Ìà Š àÌ8.€€òòQuestionóó:€€Does€the€Ô_ÔSSMPÔ_Ô€apply€to€control€devices;€e.g.,€flares,€thermal€oxidizers,€etc.,€or€toÐ  ` Ðspecific€process€units?€€Please€illustrate.€Ìà Š àòòÌAnsweróó:€€€There€is€one€sentence€in€the€General€Provisions,€ðð63.6(e)(3)(Ô_ÔiÔ_Ô),€that€essentially€says€it€all:€Ð Ô$  Ð"The€owner€or€operator€of€an€affected€source€shall€develop€and€implement€a€written€startup,Ïshutdown,€and€malfunction€plan€that€describes,€in€detail,€procedures€for€operating€and€maintainingÏthe€source€during€periods€of€startup,€shutdown,€and€malfunction€and€a€program€of€corrective€actionÏfor€malfunctioning€process€and€air€pollution€control€equipment€used€to€comply€with€the€relevantÏstandard."€€Of€course,€the€affected€source€is€the€entire€refinery.€€€ÌÌAt€our€company,€it€is€our€plan€to€divide€up€our€refinery€into€some€type€of€business€units€or€operatingÏunits€that€make€sense€and€have€separate€Ô_ÔSSMPÔ_Ô's€for€those€specific€areas€of€the€refinery€(theÏregulation€does€not€preclude€us€from€doing€this).€€To€write€one€plan€for€a€fully€integrated€largeÏrefinery€would€be€voluminous€and€would€have€parts€of€it€that€are€not€applicable€to€specific€units€inÏthe€refinery.€€How€you€write€your€Ô_ÔSSMPÔ_Ô€is€up€to€you€and€what€pieces€of€equipment€you€include€inÏthat€plan€is€left€up€to€the€owner€or€operator,€depending€upon€which€pieces€are€affected€by€the€Rule.Ìà Š àÌ9.€€òòQuestionóó:€€Would€major€reconstruction€taken€during€turnarounds€trigger€the€need€for€a€permitÐ ¼  Ðmodification?€€Ìà Š àòòÌAnsweróó:€€Part€of€the€definition€of€"reconstruction"€in€the€General€Provisions€reads:€€ð ðReconstructionÐ €Ð Ðmeans€the€replacement€of€components€of€an€affected€or€a€previously€unaffected€stationary€source€toÏsuch€an€extent€that€the€fixed€capital€cost€of€the€new€components€exceeds€50percent€of€the€fixedÏcapital€cost€that€would€be€required€to€construct€a€comparable€new€source."€€ÌÌThis€definition€is€similar€to€the€Ô_ÔNSPSÔ_Ô€definition€for€reconstruction.€€The€key€here€is€that€the€affectedÏsource€is€the€entire€refinery.€€So€you€must€evaluate€each€case€individually€and€determine€if€youÏexceed€that€50€percent€threshold.Ìà Š àÌ10.€€òòQuestionóó:€€Do€the€following€situations€qualify€as€ð ðmalfunctionsðð€for€the€purpose€ofÐ Ì&"% Ðimplementing€the€startup,€shutdown,€and€malfunction€plan?€€Ìà Š àÌà Š à(1)€€A€tank€seal€with€seal€gaps€in€excess€of€allowable€amounts?€€No.Ìà Š à(2)€€A€leaking€component€in€your€fugitive€emission€monitoring€program?€€No.€Ìà Š à(3)€€Downtime€on€a€continuous€emission€monitoring€system€required€by€the€Ô_ÔMACTÔ_Ô?€€ThisÏdepends€on€the€reason€for€your€downtime;€e.g.,€is€the€Ô_ÔCEMSÔ_Ô€malfunctioning€or€is€it€due€toÏcalibration€error?ÌÔ‡¿Xo… XX°XEÔÐ ,.|)- Ð11.€€òòQuestionóó:€€Are€loading€racks€for€diesel,€jet€fuel,€or€lube€oil€subject€to€Refinery€Ô_ÔMACTÔ_Ô€or€otherÐ ° Ðair€rules?€Ìà Š àòòÌAnsweróó:€Some€of€these€liquids€are€likely€to€be€covered€under€the€Organic€Liquid€DistributionÐ €Ð ÐÔ_ÔMACTÔ_Ô,€which€is€slated€for€the€year€2000.€€However,€there€are€some€aviation€fuels€that€may€beÏcovered€by€Gasoline€Distribution€Ô_ÔMACTÔ_Ô.€€You€have€to€look€at€that€rule€for€the€definition€ofÏgasoline.€€There€may€be€some€aviation€fuels€that€meet€the€definition€of€gasoline€and,€if€so,€theyÏwould€be€covered€under€Gasoline€Distribution€Ô_ÔMACTÔ_Ô.€€In€some€States,€loading€rack€emissions€mayÏbe€controlled€under€State€or€local€rules,€too.€€So€in€general,€there€may€be€some€other€air€rules€thatÏapply€to€some€of€these€other€organic€liquids€and€to€loading€racks.ÌÌÌ12.€€òòQuestionóó:€€Clarify€the€difference€between€the€two€HAP€lists€containing€189€and€28€entries.€€IsÐ ð@  Ðthe€189€list€applicable€to€the€whole€source€and€the€28€applicable€to€each€individual€process€unit?€Ìà Š àòòÌAnsweróó:€€The€189€list€in€the€Clean€Air€Act€is€used€to€determine€whether€or€not€you€are€a€majorÐ À Ðsource€under€the€definitions€in€section€112.€€The€Refinery€Ô_ÔMACTÔ_Ô€rule€requires€you€to€do€certainÏthings€for€streams€that€contain€the€28€specific€Ô_ÔHAPsÔ_Ô€that€are€in€Table€1€of€the€refinery€rule.€€ThoseÏ28€HAP€trigger€some€of€the€specific€applicability€criteria.€€For€example,€one€could€possibly€have€aÏlot€of€inorganic€material€in€a€stream€that€is€not€relevant€to€this€rule.€€So€you€would€consider€that€inÏthe€applicability€criteria€under€this€rule.ÌÌ13.€€òòQuestionóó:€€The€EPA€has€successfully€used€Question€and€Answer€Documents€to€answerÐ P  Ðunresolved€issues€on€fuels€issues.€€Currently,€the€EPA€is€responding€to€industry€questions€on€fuelsÏissues€by€posting€responses€on€the€Agency's€Electronic€Bulletin€Board.€€Is€the€EPA€considering€aÏsimilar€mechanism€to€respond€to€industry€questions€on€the€Refinery€Ô_ÔMACTÔ_Ô?ÌÌòòAnsweróó:€€There€has€been€a€suggestion€for€the€EPA€to€use€an€electronic€bulletin€board€to€publish€andÐ P Ðmake€everyone€aware€of€any€clarifications€and€changes€to€the€rule.€€I€certainly€cannot€see€any€reasonÏwhy€this€could€not€be€done.€€This€activity€would€take€place€on€the€Technology€Transfer€NetworkÏ(Ô_ÔTTNÔ_Ô).€€We€have€a€list€of€tentative€corrections€(in€the€workshop€manual),€and€thatð ðs€the€type€ofÐ Ð  Ðmaterial€that€could€easily€be€put€on€the€Ô_ÔTTNÔ_Ô€system.€€€€ÌÌ14.€€òòQuestionóó:€€Does€"hexane,"€as€listed€in€the€refinery€rule,€refer€to€all€isomers€of€hexane€or€is€it€justÐ  #ð! Ðin€N„hexane?€Ìà Š àòòÌAnsweróó:€€We€had€someone€in€our€toxicology€group€look€into€what€is€listed€in€the€statute„„the€toxicityÐ p&À!$ Ðdata€that€were€used€when€the€compounds€were€listed.€€What€was€found€is€that€this€applies€only€toÏN„hexane.€€We€will€be€preparing€a€memo€and€may€be€able€to€place€this€information€on€the€Ô_ÔTTNÔ_Ô€soonÏto€clarify€this€point.€Ô#†°XEX X¿Xo…Q±#Ôà ¸ àÐ @)$' Ðà Š à€€ÌÔ‡¡XEXX°XEÔ15.€€òòQuestionóó:€A€provision€of€the€General€Provisions€of€part€63€referenced€by€the€Refinery€Ô_ÔMACTÔ_ÔÐ +l&) Ðrequire€continuous€monitoring€systems€to€be€installed€and€calibrated€according€to€the€manufacturerððsÏspecifications.€€It€is€not€always€possible€or€desirable€to€install€and€calibrate€equipment€in€exactÏaccordance€with€the€manufacturerððs€specifications.€€What€flexibility€is€provided€for€cases€in€whichÐ à-0), Ðthe€installation€and€calibration€must€be€tailored€for€a€specific€application€or€not€all€of€theÏmanufacturerððs€specifications€are€required€to€be€met€to€ensure€proper€installation€and€calibration?ÌÌòòAnsweróó:€A€recent€revision€to€the€Refinery€Ô_ÔMACTÔ_Ô€Ô#†°XEXX¡XEâ¾#ÔÔ‡¿Xo… XX°XEÔ(63FR44135,€August18,€1998)€Ô#†°XEX X¿Xo…!Â#ÔÔ‡¡XEXX°XEÔ€expanded€theÐ tÄ Ðrequirements€for€installing€and€calibrating€equipment€to€allow€procedures€other€than€those€specifiedÏby€the€manufacturer€to€be€followed.€€The€procedures€must€be€written€and€must€ensure€that€theÏequipment€will€monitor€accurately.Ô#†°XEXX¡XE‚Â#ÔÐ L œ ÐÌÔ‡¡XEXX°XEÔ16.€€Sulfur€plant€vents€are€exempt€from€the€provisions€for€miscellaneous€process€vents€per€63.641.€Ð $ t ÐDo€you€intend€sulfur€plants€to€be€equivalent€to€sulfur€recovery€units,€and€are€amine€treating€unitsÏincluded€in€the€sulfur€plant€exemption?ÌÌñH ñò òñH ñAnswerñH ñò òñH ñ:ó ó€€Ô#†°XEXX¡XEàÃ#ÔÔ‡¬Xo… XX°XEÔ"Sulfur€plant€vents"€are€excluded€from€the€definition€of€"miscellaneous€process€vents"€inÐ Ô$  Ð40€Ô_ÔCFRÔ_Ô€63,€subpart€CC.€The€miscellaneous€process€vent€provisions€are€intended€to€control€emissionsÏof€organic€Ô_ÔHAPsÔ_Ô€from€relatively€small€vents€that€can€be€piped€to€nearby€process€heaters€or€otherÏcombustion€devices€to€oxidize€the€organic€Ô_ÔHAPsÔ_Ô.€Sulfur€plant€vents,€which€are€not€as€easilyÏcontrolled,€are€being€covered€under€the€second€refinery€Ô_ÔMACTÔ_Ô€rule.ÌÌSubpart€CC€applies€to€amine€units€and€amine€units€are€not€considered€to€be€part€of€the€sulfur€plant.ÏTherefore,€process€vents€from€amine€units€must€be€controlled€if€the€HAP€content€exceeds€theÏrequirements€stipulated€in€the€rule.Ô#†°XEX X¬Xo…MÅ#ÔÐ h¸ ÐÌÔ‡¡XEXX°XEÔ17.€€How€do€you€suggest€the€Division€enforce€ð ðas€soon€asðð€pursuant€to€63.119(c)(4)?Ð D” ÐÌÔ#†°XEXX¡XEÜÈ#ÔÔ‡­XEXX°XEÔñI ñò òñI ñAnswer:ñI ñó óñI ñ€€The€"as€soon€as"€provision€is€another€common€sense€requirement.€€What€we€are€trying€toÐ l Ðget€at€is€that€emissions€are€minimized€by€filling€"continuously€and€as€soon€as€possible".€€It€wouldÏbe€impossible€to€give€a€set€time€frame€in€the€regulation€due€to€the€infinite€number€of€tank€sizes€andÏsituations€underÔ#†°XEXX­XEÉ#ÔÔ‡¡XEXX°XEÔ€Ô#†°XEXX¡XE7Ë#ÔÔ‡­XEXX°XEÔwhich€filling€occurs.€€Ô#†°XEXX­XEzË#ÔÔ‡¡XEXX°XEÔÐ à0 ÐÌThe€wording€of€the€provision,€that€the€process€of€filling,€emptying,€or€refilling€"shall€be€continuousÏand€shall€be€accomplished€as€soon€as€possible"€implies€that€the€activity€of€filling,€refilling,€orÏemptying€a€vessel€must€meet€both€criteria€(i.e.,€"continuous"€and€"as€soon€as€possible").€€The€phraseÏ"as€soon€as€possible"€is€included€in€the€provisions€to€account€for€situations€where€a€source€hasÏdifficulty€with€continuously€filling,€refilling,€or€emptying€a€vessel.€€The€interpretation€of€the€phraseÏis€ultimately€determined€by€the€implementing€agency.ÌÔ#†°XEXX¡XEÓË#ÔÌÌÌÌÌÌÌÌÌÐ Œ-Ü(, ÐñK ññJ ñà Š àñJ ñÐ  ° ÐñK ñÓ  ÓÔ‡°„ÐÖ„X°XEÔList€of€AcronymsÔ#†°XEX„°„ÐÖ¹Î#ÔÐ ° ÐÓ­ÎÓÌANSIà ` àAmerican€National€Standards€InstituteÐ üL ÐAPIà ` àAmerican€Petroleum€InstituteÐ è8 ÐÔ_ÔAQMDÔ_Ô€Air€Quality€Management€DistrictÌÔ_ÔBWONÔ_Ôà ` àBenzene€Waste€Operations€Ô_ÔNESHAPÔ_ÔÐ À  ÐÔ_ÔCEMSÔ_Ôà ` àcontinuous€emission€monitoring€systemÐ ¬ ü ÐÔ_ÔCFRÔ_Ôà ` àCode€of€Federal€RegulationsÐ ˜ è ÐCMSà ` àcontinuous€monitoring€systemÐ „ Ô ÐÔ_ÔCSIÔ_Ôà ` àCommon€Sense€InitiativeÐ p À  ÐÔ_ÔCTGÔ_Ôà ` àControl€Techniques€GuidelineÐ \¬  ÐEPAà ` àEnvironmental€Protection€AgencyÐ H˜  ÐÔ_ÔFCCUÔ_Ôà ` àÔ_ÔfluidizedÔ_Ô€catalytic€cracking€unitÐ 4„  ÐHAPà ` àhazardous€air€pollutant(s)Ð  p  ÐHONà ` àHazardous€Organic€Ô_ÔNESHAPÔ_ÔÐ  \  ÐÔ_ÔLDARÔ_Ôà ` àleak€detection€and€repairÐ øH ÐÔ_ÔMACTÔ_Ôà ` àmaximum€achievable€control€technologyÐ ä4 ÐÔ_ÔMTBEÔ_Ôà ` àmethyl€Ô_ÔtertÔ_Ô„butyl€etherÐ Ð  ÐÔ_ÔNESHAPÔ_Ôà ` ànational€emission€standards€for€hazardous€air€pollutantsÐ ¼  ÐÔ_ÔNSPSÔ_Ôà ` ànew€source€performance€standardsÐ ¨ø ÐORDà ` àOffice€of€Research€and€Development€(EPA)Ð ”ä ÐÔ_ÔPRPUÔ_Ôà ` àpetroleum€refining€process€unit€Ð €Ð ÐÔ_ÔPRVÔ_Ôà ` àpressure€relief€ventÐ l¼ ÐÔ_ÔPSDÔ_Ôà ` àPrevention€of€Significant€DeteriorationÐ X¨ ÐÔ_ÔPTEÔ_Ôà ` àpotential€to€emitÐ D” ÐÔ_ÔRACTÔ_Ôà ` àreasonably€available€control€technologyÐ 0€ ÐRATAà ` àRelative€Accuracy€Test€AuditsÐ l ÐSICà ` àStandard€Industrial€ClassificationÐ X ÐÌSIPà ` àState€Implementation€PlanÐ à0 ÐÔ_ÔSOCMIÔ_Ôà ` àsynthetic€organic€chemical€manufacturing€industryÐ Ì  ÐÔ_ÔSRUÔ_Ôà ` àsulfur€recovery€unitÐ ¸! 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ÐÔ_ÔVOCÔ_Ôà ` àvolatile€organic€compound(s)Ð |$Ì" ÐÓ  ÓÐ  h%¸ # ÐñL ñÌñL ñÔ‡°„ÐÖ„X°XEÔFederal€Regulations€Referred€to€in€this€DocumentÔ#†°XEX„°„ÐÖôÚ#ÔÐ ° ÐÓ  Ó€€€à@ìì=ìàˆÐ ` Ð40€Ô_ÔCFRÔ_Ô€60,€Subpart€Jà ¸ àà  à„à0 h àStandards€of€Performance€for€Petroleum€Refineriesà Ð àà @Ð àÐüLh(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€60,€Subpart€Ô_ÔVVÔ_Ôà  à„à0 h àStandards€of€Performance€for€Equipment€Leaks€of€Ô_ÔVOCÔ_Ô€inÐ Ô$ ÐSynthetic€Organic€Chemical€Manufacturing€IndustryÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€60,€Subpart€Ô_ÔGGGÔ_Ôà  à„à0 h àStandards€of€Performance€for€Equipment€Leaks€of€Ô_ÔVOCÔ_Ô€inÐ ˜ è ÐPetroleum€RefineriesÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€60,€Subpart€Ô_ÔQQQÔ_Ôà  à„à0 h àStandards€of€Performance€for€Ô_ÔVOCÔ_Ô€Emissions€fromÐ \¬  ÐPetroleum€Refinery€Wastewater€SystemsÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€61,€Subpart€Jà ¸ àà  à„à0 h àNational€Emission€Standards€for€Equipment€LeaksÐ  p  Ð(Fugitive€Emission€Sources)€of€BenzeneÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€61,€Subpart€Và  à„à0 h àNational€Emission€Standard€for€Equipment€Leaks€(FugitiveÐ ä4 ÐEmission€Sources)Ð h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€61,€Subpart€Yà  à„à0 h àNational€Emission€Standard€for€Benzene€Emissions€fromÐ ¨ø ÐBenzene€Storage€VesselsÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€61,€Subpart€FFà  à„à0 h àNational€Emission€Standards€for€Benzene€WasteÐ l¼ ÐOperationsÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Aà  à„à0 h àGeneral€ProvisionsÐ0€h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Fà  à„à0 h àNational€Emission€Standards€for€Organic€Hazardous€AirÐ X ÐPollutants€from€the€Synthetic€Organic€ChemicalÏManufacturing€IndustryÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Gà  à„à0 h àNational€Emission€Standards€for€Organic€Hazardous€AirÐ ¸! ÐPollutants€from€the€Synthetic€Organic€ChemicalÏManufacturing€Industry€for€Process€Vents,€Storage€Vessels,ÏTransfer€Operations,€and€WastewaterÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Hà  à„à0 h àNational€Emission€Standards€for€Organic€Hazardous€AirÐ T&¤!$ ÐPollutants€for€Equipment€LeaksÐ h(#h(# ÐÌÐ  )h$' Ðà@ãã%ìàFEDERAL€REGULATIONS€REFERRED€TO€IN€THIS€DOCUMENTˆÌà@ùù8ìà(Concluded)ˆÌÌÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Ià ¸ àà  à„à0 h àNational€Emission€Standards€for€Organic€Hazardous€AirÐ `° ÐPollutants€for€Certain€Processes€Subject€to€the€NegotiatedÏRegulation€for€Equipment€LeaksÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Rà  à„à0 h àNational€Emission€Standards€for€Gasoline€DistributionÐ  ` ÐFacilities€(Bulk€Gasoline€Terminals€and€Pipeline€BreakoutÏStations)Ð h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Yà  à„à0 h àNational€Emission€Standards€for€Marine€Tank€VesselÐ À  ÐLoading€OperationsÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€CCà  à„à0 h àNational€Emission€Standards€for€Hazardous€Air€Pollutants:€Ð „Ô  ÐPetroleum€RefineriesÐ h(#h(# ÐÌ40€Ô_ÔCFRÔ_Ô€63,€Subpart€Ô_ÔDDÔ_Ôà  à„à0 h àNational€Emission€Standards€for€Hazardous€Air€PollutantsÐ H˜ Ðfrom€Off„Site€Waste€and€Recovery€OperationsÐ h(#h(# ÐÌÌÌÌÌÌÌÌÌÌ