ÿWPCO Qõ~ÒRÄ•ŽŠ®ޏKV j“N’¬%6ùÔruÔÒ¯ÿ,4å$ÎËÅubšÚ †lÖ” K3âÊσêKu|kù‹ã(œ‚˜Gð(gEï¡PþlÂ(Þñœ¶›ëž§/ó®~)]z$R×·t¹Òî™Ot“‘¶”0•“e–cªƒPMz * 8£–¯£}D®Ä(pÓ%j“à‘¡Ç¶$jp„½#Bí–}ÓGÕCÏXî×´JÝ"¡%m%EÓwQ;.ó„ßrie•c §ˆÈíø£&ŸïlϧÛô€T])Ÿbd²»q7µ…ß övËbglî~Ø<œrÕD70üé8Bo[øÐÞðd‹n£gi À*ÁQÑšP:N<ŸD½ö4|gl©ºkjî®Ü•Oؘlª—½®‚táHÞPÚ©4È1Nïì‚Úû´,Þ5ê&*dºŸ½ xÖô f°5… oJqúƒP=‡¸žŸýŸt'Èã™ìŒ?ât\ú[¯b—`3‡˜élÊ;ïÁl\°-)Ù8ú¿¥L~ÞØÌ )ìÄ5¢ÎÃ})Etg} ÈÌîm>aÎ4Ò=è^}l£Ê·”îøX #!ÀUNá %/ 0(5w]4auN„^ †UN’à mâùùùùùùùùùùùùùùùùùù 0N˜HP LaserJet 6P/6MP - Standard,ä,,,,,ä0&Öd9 Z ‹6Times New Roman RegularX($¡¡ †•)3|xŠm+*Æ(ÈhH  Z 6Times New Roman RegularÿU‹ÿÀÀÀ>‡¦$"Small Circleð"ðà0  àÝ ƒ!ÝÝ  ÝšÔ‡ XüµXXXÔò òÔ_ÔÔ_ÔQuestion€17ó ó.à ` àò òó óA€unit€is€subject€to€a€newly„promulgated€MACT€standard.€€The€unit€is€part€of€aÐ ° Ðfacility€that€is€subject€to€title€V€(and€has€a€part€70€permit)€because€the€facility€emits€a€criteriaÏpollutant€above€the€major€source€threshold.€€Is€the€unit€exempt€from€the€CAM€rule,€even€if€theÏMACT€does€not€require€monitoring€for€the€criteria€pollutant€that€makes€the€facility€a€majorÏsource?€ÌÌò òResponse€17ó ó.à ` àÔ#†XüµXX Xüµ#ÔÔ‡ XüµXXXüµÔThe€CAM€rule€exemption€for€MACT€òòrulesóó€applies€only€to€monitoring€for€thoseÐ P   ÐMACT€emission€limits.€€That€is,€the€CAM€rule€imposes€no€additional€monitoring€on€theÏemission€unit€for€showing€compliance€with€MACT€limits.€€This€exemption€does€not€extend€toÏmonitoring€for€compliance€with€other€limitations€that€may€also€apply€to€that€unit.€€€However,€theÏMACT€monitoring€may€satisfy€CAM€€requirements.€€This€may€often€be€the€case€when€theÏMACT€requires€particulate€or€VOC€control€measures€and€the€criteria€pollutant€is€particulate€orÏVOC.€€Note€that€the€source€owner€must€make€this€determination€initially€and€indicate€in€theÏpermit€application€that€the€existing€monitoring€satisfies€CAM€or€propose€additional€monitoringÏto€meet€the€CAM€requirements€for€monitoring€for€compliance€with€the€criteria€pollutant€limit.ÌÌÔ#†XüµXX XüµM#ÔÔ‡ XüµXXXüµÔÓ|°(°` ¸ hÀpÈ xÐ (#€%Ø'0*ˆ,à.813è5@8˜:ð<H? AøCPF¨HKXM°OR`T¸VYh[À]`°œXÓÌò òQuestion€18ó ó.à ` àA€source€owner€has€submitted€a€permit€application€before€April€20,€1998€and€hasÐ  ð Ðreceived€a€completeness€determination€but€no€title€V€permit.€€If,€before€a€permit€is€issued,€aÏsource€owner€makes€a€change€that€involves€a€large€PSEU€(a€unit€whose€post€control€emissionsÏexceed€the€major€source€threshold)€and€that€would€be€considered€significant€under€part€70€if€aÏpermit€had€been€issued,€would€the€large€PSEU€be€subject€to€the€CAM€rule?ÌÌò òResponse€18ó ó.à ` àYes,€the€large€PSEU€would€become€subject€to€the€CAM€rule€if€the€change€couldÐ @ Ðpotentially€affect€the€unitððs€compliance€status€and€if€the€change€is€owner„initiated.€€Not€allÏchanges€that€would€require€a€significant€permit€revision€trigger€CAM€rule€applicability.€€The€Ïtypes€of€changes€that€could€trigger€CAM€rule€applicability€include€source€owner„€or€operator„¼initiated€physical€changes€such€as€increasing€production€rate,€changing€to€a€new€fuel€or€rawÏmaterial,€adding€a€new€process€line€or€control€device,€increasing€the€load€on€the€control€deviceÏby€routing€additional€process€exhaust€to€it,€changing€the€control€device,€installing€newÏmonitoring€systems,€or€changing€process€or€weight€rates.€€Note€that€submission€of€supplementaryÏfacts,€corrected€information,€or€additional€information€as€to€new€requirements,€as€those€terms€areÏused€in€40€CFR€sections€70.5(a)(2)€and€70.5(b),€after€receipt€of€a€completeness€determinationÏwould€not€trigger€CAM€rule€applicability.€€€€ÌÌÌò òQuestion€19ó ó.à ` àNew€Source€Performance€Standards€(NSPS)€usually€refer€to€a€unit's€designÐ p&À!$ Ðcapacity,€not€to€a€unitððs€potential€to€emit.€€For€CAM€rule€applicability€purposes,€is€a€unitððs€designÏcapacity€(as€expressed€in€an€NSPS€promulgated€before€11/15/90)€irrelevant€except€as€it€relates€toÏcalculating€the€unit's€potential€to€emit?€ÌÌò òResponse€19ó ó.à ` àThe€CAM€rule€relies€on€part€70's€definition€of€potential€to€emit,€as€given€inÐ  +p&) Ðsection€70.2.€€Note€that€design€capacity€as€defined€by€a€rule€(e.g.,€NSPS)€probably€has€limitedÏusefulness€in€determining€potential€to€emit.€€In€addition,€note€that€the€CAM€rule€applicabilityÏprocess€is€not€intended€to€establish€a€hierarchy€based€on€design€capacity€or€any€other€factor.Ð ð-@), ЇÌò òQuestion€20ó ó.à ` àDo€fugitive€emissions€count€towards€a€PSEUððs€potential€to€emit?€Ð  ð ÐÌò òResponse€20ó ó.à ` àFugitive€emissions€count€toward€potential€to€emit€in€the€same€manner€used€forÐ €Ð Ðmaking€title€V€applicability€determinations.€€This€means€that,€in€general,€fugitive€emissions€areÏnot€considered€unless€the€major€source€belongs€to€one€of€twenty„seven€categories€of€stationaryÏsource.€€òòSeeóó€the€definitions€of€the€terms€ð ðFugitive€emissions,ðð€ð ðMajor€source,ðð€and€ð ðPotential€toÐ P   Ðemitðð€given€in€40€CFR€section€70.2.€€If€fugitive€emissions€are€included€in€the€title€V€applicabilityÏdetermination,€then€they€count€towards€a€PSEUððs€potential€to€emit.€€Otherwise,€they€do€not€countÏtowards€a€PSEUððs€potential€to€emit.ÌÔ#†XüµXX XüµÒ#ÔÔ‡ XüµXXXüµÔÌÌò òQuestion€21ó ó.à ` àWill€emission€units€subject€only€to€process€weight€rate€limitations€be€subject€toÐ ð@  Ðthe€CAM€rule?ÌÌò òResponse€21ó ó.à ` àYes,€these€units€òòwouldóó€be€subject€to€the€CAM€rule€if€the€other€CAM€applicabilityÐ À Ðcriteria,€given€below,€are€met:ÌÌà  àa.à ` àthe€unit€must€be€located€at€a€major€source€subject€to€a€Title€V€permit,Ð à ÐÌà  àb.à ` àthe€unit€must€have€a€control€device€necessary€to€meet€the€process€weight€rateÐ pÀ Ðlimit,Ìà  àà ` àand€ÌÌà  àc.à ` àthe€pre-control€device€emissions€of€the€regulated€pollutant€must€exceed€or€beÐ 0€ Ðà  àà ` àequivalent€to€the€major€source€size€threshold.ÌÌÌò òQuestion€22ó ó.à ` àA€PSEU€with€a€control€device€has€potential€fugitive€emissions.€€In€order€toÐ ð@ Ðdetermine€whether€the€PSEU€is€large€or€other,€would€one€exclude€or€include€the€amount€ofÏfugitive€emissions€from€the€control€device?€€ÌÌò òResponse€22ó ó.à ` àThe€calculation€of€pre-control€emissions€for€determining€CAM€rule€applicabilityÐ °"  Ðis€based€on€the€total€emissions€of€the€regulated€pollutant€from€the€affected€unit.€€The€calculationÏcan,€and€most€frequently€will,€be€based€on€emission€factors.€€This€means€that€pre-controlÏemissions€are€to€include€all€potential€emissions€including€any€fugitive€emissions€not€captured€byÏthe€control€device.€€Note€that€source€owners€or€permitting€authorities€are€not€expected€to€conductÏemission€testing€for€CAM€rule€applicability€purposes;€they€only€need€to€remove€the€designÏefficiency€of€the€control€device€from€the€calculation€of€the€applicable€unitððs€potential€to€emit.€ÏòòSeeóó€62€FR€54914.Ð @)$' ÐÌÐ   +p&) Ðò òQuestion€23ó ó.à ` àCan€a€video€or€infrared€camera€substitute€for€a€thermocouple€for€detecting€theÐ ° Ðpresence€of€a€pilot€flameÔ#†XüµXX Xüµñ#ÔÔ‡ XüµXXXüµÔ?Ð  ð ÐÌò òResponse€23ó ó.à ` àUse€of€a€video€camera,€by€itself,€is€not€a€good€substitute€for€detecting€the€presenceÐ €Ð Ðof€a€pilot€flame.€€Ô#†XüµXX Xüµõ#ÔÔ‡ XüµXXXüµÔNote€that€the€Office€of€Enforcement€and€Compliance€Assurance€has€givenÐ pÀ Ðapproval€for€alternative€monitoring€which€included€a€thermocouple€to€monitor€the€flame€and€aÏ"closed€circuit€camera"€to€provide€24€hour€surveillance€of€a€steam„assisted€flare€system.€€TheÏEmissions€Measurement€Center€(EMC)€is€reviewing€a€similar€monitoring€approach€to€determineÏif€it€can€be€used€to€meet€the€CAM€requirements.€€That€approach€involves€òòbothóó€a€thermocouple,Ð 0 € Ðwhich€would€provide€indication€of€flame€presence,€and€a€video€camera,€which€would€monitorÏvisible€emissions.€€The€review€should€be€completed€and€available€in€a€few€months.€€Use€of€anÏinfrared€camera€to€detect€the€presence€of€a€flame€is€an€option€worth€pursuing;€the€EMC€willÏreview€any€proposal€of€such€monitoring.ÌÌÌò òQuestion€24ó ó.à ` àWhat€is€the€status€of€the€legal€challenge€to€the€CAM€rule?Ð À ÐÌò òResponse€24ó ó.à ` àÔ#†XüµXX Xüµé#ÔÔ‡ XüµXXXüµÔÓ|°(°` ¸ hÀpÈ xÐ (#€%Ø'0*ˆ,à.813è5@8˜:ð<H? AøCPF¨HKXM°OR`T¸VYh[À]`°°§XÓThe€Court€granted€industry's€request€for€a€delay€in€the€CAM€rule€challengeÐ  ð Ðbriefing€schedule€until€after€the€decision€in€the€credible€evidence€rule€case.€€€Since€the€Agency€Ïreceived€a€decision€on€the€credible€evidence€rule€case€on€August€14,€1998,€one€can€expect€theÏCAM€rule€case€to€be€briefed€and€argued€over€the€fall€and€winter.€€Meanwhile,€the€CAM€ruleÏremains€in€effect.€ÌÌÌò òQuestion€25ó ó.à ` àA€permitting€authority€already€has€full€approval€for€its€part€70€program.€€What€isÐ 0€ Ðthe€deadline€for€the€permitting€authority€to€make€the€part€70€revisions€that€accompaniedÏpromulgation€of€the€CAM€rule?ÌÌò òResponse€25ó ó.à ` àAs€mentioned€in€Response€10,€while€all€programs€will€need€to€be€revised€toÐ ð@ Ðincorporate€the€part€70€changes€that€accompanied€the€CAM€rule,€permitting€authorities€haveÏflexibility€as€to€when€those€changes€must€occur.€€Permitting€authorities€can€make€the€changes€inÏaccordance€with€the€existing€program€revision€procedures€given€in€section€70.4(i).€€PermittingÏauthorities€with€interim€approval€can€submit€the€requisite€changes€as€part€of€their€full€approvalÏpackage.€€Permitting€authorities€can€also€wait€to€submit€the€changes€in€conjunction€with€theÏchanges€contained€in€the€upcoming€revisions€to€section€70.7.€€The€Agency€expects€all€changesÏdue€to€its€rulemaking€to€be€competed€on€or€before€the€revisions€to€section€70.7€are€done.ÌÌÌò òQuestion€26ó ó.€€Is€the€Agency€conducting€any€studies€to€develop€a€technical€illustration€for€anÐ P( #& Ðelectrostatic€precipitator?ÌÐ  0*€%( Ðò òResponse€26ó ó.à ` àNo.€€While€the€Agency€is€not€Ô#†XüµXX XüµÝ#ÔÔ‡ XüµXXXüµÔconducting€any€studies€to€develop€an€example€for€anÐ ° Ðelectrostatic€precipitator,€the€Agency€plans€on€obtaining€information€from€an€Electric€PowerÏResearch€Institute€(EPRI)€study€of€electrostatic€precipitators.€€In€early€June,€EPRI€is€initiating€itsÏstudy€of€equipment€performance€relative€to€compliance.€€The€study€may€also€include€installationÏand€testing€of€particulate€matter€continuous€emissions€monitoring€systems.€Ô#†XüµXX Xüµ0'#ÔÔ‡ XüµXXXüµÔÐ pÀ ÐÌÌò òQuestion€27ó ó.à ` àA€source€owner€has€submitted€its€title€V€application€and€received€its€completenessÐ @  Ðdetermination€before€April€20,€1998,€so€that€the€large€size€PSEU€does€not€require€CAM€planÏsubmittal€at€time€of€application€submittal.€€During€the€permit€negotiations,€the€permittingÏauthority€requests€that€the€monitoring€be€changed€to€the€extent€that€it€would€be€considered€aÏsignificant€revision.€€Does€the€significant€revision€trigger€CAM€Plan€submittal€for€the€large€sizeÏPSEU?ÌÌò òResponse€27ó ó.à ` àAs€mentioned€in€Response€18,€this€proposed€permit€revision€would€not€triggerÐ Ð  ÐCAM€requirements€because€the€change€request€was€initiated€by€the€permitting€authority,€not€theÏsource.€€ÌÌÔ#†XüµXX Xüµ))#ÔÔ‡ XüµXXXüµÔÌò òQuestion€28ó ó.à ` àA€permitting€authority€requests€source€owners€not€to€include€CAM€plan€interimÐ €Ð Ðmonitoring€details€in€the€initial€applications€until€periodic€monitoring€guidance€is€issued€by€EPA.€ÏAfter€the€periodic€monitoring€guidance€is€issued,€does€the€updating€of€permit€applications€withÏmonitoring€information€trigger€CAM€plan€submittal€of€applicable€large€size€PSEUs?ÌÌò òResponse€28ó ó.à ` àAs€mentioned€in€Response€18,€updating€of€permit€applications€(i.e.,€submittingÐ 0€ Ðsupplementary€facts)€due€to€permitting€authority„initiated€changes€does€not€trigger€CAMÏapplicability€of€large€PSEUs.€€Note€that€if€a€source€owner€has€a€complete€permit€application€byÏApril€20,€1998,€the€source€owner€need€not€address€CAM€requirements€until€the€applicability€dateÏgiven€in€the€rule.€€In€the€meantime,€source€owners€or€operators€and€permitting€authorities€can€useÏCAM€principles€or€other€monitoring€to€satisfy€part€70€periodic€monitoring€requirements,Ïconsistent€with€the€Agencyððs€periodic€monitoring€guidance.ÌÌÌò òQuestion€29ó ó.à ` àAn€owner€of€a€source€submits€a€part€70€permit€application€update€containing€aÐ  #ð! Ðchange€to€a€large€PSEU€that€would€constitute€a€significant€permit€revision€if€a€part€70€permit€hadÏbeen€issued;€however,€the€change€would€not€affect€the€interim€monitoring€for€that€PSEU.€ÏWithout€the€owner€initiated€change,€the€PSEU€would€have€become€subject€to€the€CAM€rule€atÏpermit€renewal.€€Does€an€owner„initiated€change€which€Ô#†XüµXX Xüµo,#ÔÔ‡ XüµXXXüµÔwould€require€use€of€the€part€70Ð `'°"% Ðsignificant€revision€process€but€that€has€no€impact€on€monitoring€for€a€large€PSEU€trigger€CAMÏrule€applicability?ÌÐ  0*€%( Ðò òResponse€29ó ó.à ` àAs€mentioned€in€Response€18Ô#†XüµXX Xüµª2#ÔÔ‡ XüµXXXüµÔ,€not€all€changes€that€would€require€a€significantÐ ° Ðpermit€revision€trigger€CAM€rule€applicability.€€The€Agency€plans€on€issuing€a€separate€piece€ofÏguidance€to€identify€those€changes€that€would€trigger€CAM€applicability.€€In€general,€the€changesÏthat€are€owner„initiated€and€that€would€potentially€affect€compliance€or€complianceÏdetermination€(i.e.,€monitoring)€would€include€changes€such€as€adding€a€new€unit,€increasingÏproduction€rate,€changing€fuel€or€raw€material€composition,€modifying€the€monitoring€technique,Ïadding€a€new€process€line€or€control€device,€increasing€the€load€on€the€control€device€by€routingÏadditional€process€exhaust€to€it,€changing€the€control€device,€changing€monitoring€systems,€orÏchanging€to€process€or€weight€rates.€€Note€that€while€changes€initiated€by€permitting€authoritiesÏmay€require€application€and/or€permit€revisions,€those€changes€do€not€trigger€CAM€applicability.€ÌÌÌò òQuestion€30ó ó.à ` àA€PSEU€has€a€continuous€emission€monitoring€system€(CEMS)€for€nitrogenÐ ð@  Ðoxides,€and€the€CEMS€collects€a€data€point€every€fifteen€minutes.€€The€underlying€standard€forÏnitrogen€oxides€lacks€a€data€averaging€period.€€Given€that€the€monitoring€frequency€is€four€timesÏper€hour€and€that€the€data€averaging€period€is€not€addressed,€does€one€assume€that€the€CEMSÏprovides€intermittent€monitoring€and€that€the€standard€requires€instantaneous€compliance?ÌÌò òResponse€30ó ó.à ` àÔ#†XüµXX Xüµâ3#ÔÔ‡ XüµXXXüµÔThis€hypothetical€situation€seems€unlikely.€€First,€CEMS€operating€in€accordanceÐ à Ðwith€requirements€in€40€CFR€60.13€and€PS„2,€i.e.,€providing€a€data€point€at€least€every€fifteenÏminutes,€supply€data€on€a€frequency€consistent€with€the€frequency€established€by€the€Agency€forÏa€continuous€monitoring€system.€€òòSeeóó€62€FR€54922.€€Second,€few,€if€any,€nitrogen€oxidesÐ `° Ðemissions€limits€exist€that€do€not€rely€on€a€default€data€averaging€period€which€is€based€on€a€ð ð3„¼hourðð€average€required€by€Method€7€(or€7E)€performance€testing.€€Appropriate€monitoring€for€theÏhypothetical€situation€becomes€apparent€once€the€permit€applicant€or€permitting€authorityÏidentifies€(as€required€by€the€periodic€monitoring€requirement€of€part€70€or€71)€an€averaging€timeÏconsistent€with€the€compliance€limit.€€ÌÌÌò òQuestion€31ó ó.à ` àConsider€a€PSEU€which€uses€a€CEMS€for€monitoring€nitrogen€oxides€emissions.€Ð à0 ÐThe€nitrogen€oxides€emissions€limit€has€a€two„hour€averaging€period.€€Since€the€CEMS€collectsÏdata€every€fifteen€minutes€and€since€the€monitoring€frequency€is€well€within€the€data€averagingÏperiod,€does€the€CEMS€provide€continuous€monitoring?ÌÌò òResponse€31ó ó.à ` àAs€mentioned€in€Response€30,€a€CEMS€operated€in€accordance€with€theÐ $à" Ðrequirements€of€40€CFR€60.13€and€PS„2€yields€continuous€data.€€Since€the€frequency€of€dataÏcollection€is€compatible€with€the€averaging€time€of€the€nitrogen€oxides€emission€limit,€the€CEMSÏprovide€continuous€monitoring.ÌÌÌò òQuestion€32ó ó.à ` àA€boiler€has€a€volatile€organic€compound€emissions€limit€with€a€three„hour€dataÐ 0*€%( Ðaveraging€period.€€The€boiler€collects€data€from€an€operating€parameter€once€per€hour.€€WouldÏsuch€monitoring€represent€continuous€monitoring€for€non„large€PSEUs?€€Given€that€the€CAMÏrule€requires€a€data€collection€frequency€of€at€least€every€fifteen€minutes€for€large€PSEUs,€wouldÏsuch€monitoring€represent€continuous€monitoring€for€large€PSEUs?Ð ð-@), Їò òResponse€32ó ó.à ` àSince€40€CFR€64.3(b)(4)(i)€requires€data€collection€frequency€intervals€to€beÐ ° Ðcommensurate€with€the€time€period€over€which€a€change€in€control€device€performance€thatÏwould€require€actions€by€the€owner€or€operator€to€return€operations€within€normal€ranges€orÏdesignated€conditions€is€likely€to€be€observed€and€since€a€data€collection€frequency€of€once€perÏhour€appears€compatible€with€a€three„hour€data€averaging€period€and€with€the€minimum€dataÏcollection€frequency€of€once€per€day€required€for€non„large€PSEUs,€such€monitoring€could€Ïrepresent€continuous€monitoring€for€non„large€PSEUs.€€However,€since€the€data€collectionÏfrequency€of€once€per€hour€is€not€compatible€with€the€minimum€data€collection€frequency€of€atÏleast€every€fifteen€minutes€required€for€large€PSEUs,€such€monitoring€would€not€representÏcontinuous€monitoring€for€large€PSEUs,€nor€would€it€comply€with€CAM.ÌÌÌò òQuestion€33ó ó.à ` àA€boiler€has€a€volatile€organic€compound€emissions€limit€with€a€data€averagingÐ ð@  Ðperiod€of€four€hours.€€A€permit€applicant€proposes€to€monitor€an€operational€parameter€once€perÏday,€since€the€PSEU€is€not€large.€€Would€such€monitoring€represent€intermittent€monitoringÏbecause€its€frequency€is€not€within€the€data€averaging€period?ÌÌò òResponse€33ó ó.à ` àIf€one€assumes€that€the€data€averaging€period€is€established€in€the€rule,€then€theÐ  ð Ðmonitoring€frequency€of€once€per€day€is€insufficient€for€CAM€purposes.€€Note€that€the€CAM€ruleÏestablishes€òòminimumóó€monitoring€frequencies,€meaning€that€those€frequencies€must€be€increasedÐ €Ð Ðas€necessary€to€be€compatible€with€emission€averaging€times.€€One€data€point€per€day€(and€aÏdaily€average)€may€be€sufficient€depending€on€the€control€device,€margin€of€compliance,Ïparticularly€when€the€frequency€is€commensurate€with€the€time€period€over€which€a€change€inÏcontrol€device€performance€that€would€require€actions€by€the€owner€or€operator€to€returnÏoperations€within€normal€ranges€or€designated€conditions€is€likely€to€be€observedÔ#†XüµXX XüµÕ9#ÔÔ‡ XüµXXXüµÔ.€€òòSeeóó€40€CFRÐ 0€ Ð64.3(b)(4)(i).Ô#†XüµXX XüµIJ#Ô