ÿWPCÔ P;1ÒÕò§šì‹A¹Þú“¹¼¡¬‰(g1άe_£ÏÞÏÎP³Ç¦KEøImÜ"˜ ºäÛÆ¬2yŠÜµ-]“{âÀ^žeîp\ë<4w±NTÉŽpħâ–R;¼Áè¨fI+êp®wÇ]n”©vn°az?Wˆ2ã‚ÈVbXüï)ì û ޾ÍÈö˜Ð˜ã±C]4*‰lÀåžøœ¯9Aw]nœ8ØV÷Êrév ÷òYú|Ëyx¨>(õõ¬Áf¹~KhÂ.ßÚ`ÑÝTŸ©·ÌÛ°rÁÕhµ*—TAœE+^Œ«@…©{ îú`µñ;÷ÞA+ß0Š­ˆ¸a.Ú3,¬ I®Ti‰ÅÄyáûPBkÈÊJ}!©eÙ¾«/œõ¡ßá}È»s18ç€oÖjÙ»äxø®¡jVˆ§Œ·Ñ™KTpEej>`¬æ_QbFë'»šJÓáÈ-J¥ÿlæ•TÒ¿>Ȭn7®$`‹åKzÍ’3>)"Ïót€¶—µLøõ=´ºÐ×?BWü2 Õð;ó'©¯¤ªVÔVÃU=êßÓÃÿô_.›ÞFg…€,ÖLµ­l=—vjãÏð@}²0a9‹ì«(‡áA”á´Ù/¤¾²ï7#ß} # ~UN‰ %× 0(Ýw@4EYlh˜HP LaserJet 4 Plus/4M PlusHPPCL5EÌÌøøøøÌÌ0 (ÈhH  Z ‹6Times New Roman RegularX($¡¡ IJEKLEMNEOPEQRbe(z["3|xR CTG VOCPMACT MACT HAPs SIPsNESHAPÝ ƒ!ÝÝ  ÝñRñ›ñRññRñ›ñRññRññRñÑ  Ñà@N N ìàò òSurface€Coating€of€Miscellaneous€Metal€Partsó óˆÐ ° Ðà@» » ìàSummary€of€the€Break„Out€Session€from€the€Coatings€WorkshopˆÌà@ÔÔ$ìàApril€9,€1997ˆÌÌà  àThe€following€summary€presents€the€major€issues€associated€with€the€surface€coating€ofÏmiscellaneous€metal€parts€source€category€and€discussed€in€the€large€group€of€representativesÏfrom€industry,€industry€associations,€and€State€and€local€agencies.€€The€issues€listed€below€areÏpresented€in€the€order€in€which€they€were€discussed,€and€no€presumption€of€the€importance€ofÏone€issue€over€another€was€imposed.ÌÌòòTreatment€of€Area€Sourcesó󀄀The€issue€is€should€all€sources€be€covered€under€this€categoryÐ `  Ðregardless€of€size;€this€would€treat€area€sources€the€same€way€as€major€sources.ÌÌòòSealers€and€Adhesivesó󀄀Should€these€be€included€as€a€coating€of€a€miscellaneous€metal€ñRñœñRñpart?€Ð à0  ÐTheseñRñ›ñRñ€materials€are€covered€under€Section€183(e)€but€further€investigation€will€be€needed€toÏdetermine€applicability€to€this€source€category.ÌÌòòScope€of€the€Categoryó󀄀The€original€issue€raised€was€the€distinction€between€miscellaneousÐ  ð Ðmetal€parts€and€plastic€parts;€often€a€coating€operation€may€coat€a€part€composed€of€bothÏmaterials.€€The€determination€of€which€category€a€process€may€fall€is€especially€difficult€in€aÏcategory€as€diverse€as€miscellaneous€metal€parts.€€Another€concern€was€that€overlap€into€otherÏcategories€(e.g.,€automotive€coatings)€may€result€in€differing€requirements€from€processesÏcoating€different€products€but€using€identical€coating€ñRñœñRñmaterials.€€In€response,€it€was€pointed€outÏthat€by€developing€the€various€surface€coating€categories€concurrently€this€overlap€could€beÏaddressed€more€directly€with€minimal€duplication€of€ñRñ›ñRññRññRññRñœñRñeffort.€€It€was€also€noted€that€the€basis€of€theÏCTG€for€miscellaneous€metal€parts€was€to€cover€things€not€specifically€covered€by€other€rules.€€ItÏwas€asked€whether€the€rule€would€apply€to€ñRñœñRñrefurbishersñRñ›ñRñ€as€well€as€manufacturers.€€In€response,€itÏwas€noted€that€a€rule€would€apply€to€both€if€they€were€major€sources.€€In€later€discussions,€it€wasÏnoted€that€wire€coating€was€far€different€from€all€other€processes€in€this€category€and€it€wasÏsuggested€that€perhaps€it€should€be€separated€into€a€separate€category.ñRñ›ñRñÌÌòòNational€Rule€vs.€CTGó󀄀The€industry€concern€is€that€certain€facilities€may€institute€a€controlÐ À! Ðtechnology€that€is€based€on€using€a€particular€type€of€material,€and€if€during€the€process€ofÏdeveloping€a€National€Rule€that€material€was€banned,€the€facility€would€not€be€able€to€acquireÏthat€material€and€their€investment€in€that€technology€would€have€been€wasted.€€If€a€CTGÏapproach€was€used,€however,€the€economic€effect€would€not€be€an€issue,€as€long€as€theÏtechnology€worked€at€reducing€ñRñœñRñemissions.€€In€response,€it€was€noted€that€the€current€thinking€isÏtowards€developing€a€CTG,€which€is€less€complicate€and€less€resource€intensive.ñRñ›ñRññRññRñ€€The€stateÏagency€concern€on€this€topic€is€that€CTGs€are€not€enforceable,€whereas€a€national€rule€would€be.€€ÌÌòòCoordination€of€Regulations€Under€Two€Mandatesó󀄀EPA€has€been€given€the€mandate€to€developÐ 0*€%( Ðregulations€to€control€VOC€under€183(e)€and€hazardous€air€pollutants€under€112(d);€the€issue€isÏthat€the€regulations€covering€these€two€mandates€not€be€in€conflict€with€one€another.€€Secondly,€Ïthe€question€was€raised€of€how€EPA€plans€to€balance€those€needs.€€Under€the€Code€of€FederalÏRegulations,€the€regulations€pertaining€to€183(e)€would€be€codified€under€40€CFR€Part€59,Ð ð-@), Ðwhereas€the€regulations€derived€from€112(d)€would€appear€under€NESHAPs.€€ñRñœñRñThere€was€aÏgeneral€question€as€to€whether€two€rules€would€be€written.€€In€response,€it€was€pointed€out€thatÏthere€will€be€a€Section€112€rule€and€òòeitheróó€a€CTG€or€a€183(e)€rule.ñRñ›ñRññRññRñÐ à ÐÌòòCertification€and€Record„Keeping€Requirementsó󀄀Industry€representatives€were€concerned€thatÐ pÀ Ðflexibility€be€used€in€applying€the€rules€to€coating€processes€done€in€small€batches.€€The€concernÏis€the€inordinate€record„keeping€burden€for€documenting€numerous€small€batches€would€beÏunfair€and€cost„prohibitive€for€certain€facilities,€effectively€discriminating€against€theirÏñRñœñRñoperations.€€Another€concern€is€the€record„keeping€burden€for€sources€with€low€VOC/HAPÏemissions€co„located€with€a€ñRñ›ñRññRñœñRñmajor€source.€€In€response,€it€was€noted€that€EPA€has€already€begunÏthinking€about€ñRñ›ñRññRññRññRñœñRñthat€issue.€€ñRñ›ñRññRññRñÌÌòòTimetable€for€PMACT€Processó󀄀ñRñœñRñIn€response€to€a€question€on€schedule€for€PMACT,€it€was€notedÐ ð@  Ðthat€theñRñ›ñRñ€present€timetable€calls€for€the€development€of€a€PMACT€for€this€category€by€October.€ÏThe€first€major€milestone€is€the€identification€of€stakeholders€and€coordination€of€a€conferenceÏcall€(or€set€of€conference€calls)€by€the€end€of€April.€€ñRñœñRñIt€was€suggested€that€by€identifyingÏsubcategories€early€on,€EPA€may€be€able€to€better€focus€on€putting€together€more€ñRñmanagableñRññRñmanageableñRñÏstakeholder€teams.ÌÌòòStakeholder€Identificationó󀄀InñRñ›ñRñ€order€to€facilitate€identifying€stakeholders,€or€representatives€forÐ €Ð Ðstakeholder€groups,€a€sheet€of€paper€was€circulated€for€session€participants€to€identify€potentialÏtrade€associations€or€other€groups€to€represent€their€interests.€€A€concern€of€EPA€is€that€theÏstakeholder€group€be€representative€of€all€interested€parties€without€becoming€too€large€toÏfunction€ñRñœñRñefficiently.€€The€attendees€noted€that€this€may€be€difficult€to€do€because€the€peopleÏrepresent€many€different€processes€and€a€single€ñRñmanagableñRññRñmanageableñRñ€group€may€be€difficult€to€identify.€ÏIndustry€representatives€voiced€some€concerns€with€using€the€Toxic€Release€Inventory€(TRI)€asÏthe€sole€source€for€identifying€facilities.€€Some€of€the€state€representatives€suggested€that€theÏstate€agencies€may€have€a€better€list€of€the€facilities€within€each€state€that€fall€into€this€sourceÏcategory,€regardless€of€size€cut„offs.€€One€suggestion€was€to€develop€two€questionnaires;€the€firstÏwould€identify€the€players€and€their€processes,€and€the€second€would€be€the€more€detailed,Ïprocess„oriented€questionnaire.ñRñ›ñRñÌÌòòRepresentation€by€Trade€Associationsó󀄀Some€participants€were€concerned€that€although€they€didÐ °"  Ðhave€some€interest€in€ñRñœñRñtheñRñ›ñRññRññRñ€stakeholder€process,€the€trade€associations€that€represent€them€may€ñRñœñRñnotÏ(e.g.,€foundries).ñRñ›ñRññRññRñ€€ñRñœñRñConversely,€some€companies€noted€that€they€may€not€want€to€be€represented€byÏa€trade€association.€€AlsoñRñ›ñRññRññRñ€mentioned€were€the€small€business€concerns€that€may€not€beÏrepresented€by€any€trade€associations.€€ÌÌòòUse€of€a€Web€Site€as€a€Method€of€Disseminating€Informationó󀄀This€would€allow€for€openÐ P( #& Ðdialogue€and€all€interested€parties€could€access€information€in€a€time„effective€ñRñœñRñmanner.€€InÏresponse,€it€was€noted€that€EPA€would€try€to€use€it€as€much€as€possible.ñRñ›ñRññRññRñÌÌñRñœñRñòòRuleñRñ›ñRññRññRñ€Flexibilityó󀄀ñRñœñRñOne€representative€of€a€local€agency€noted€that€they€are€currently€revising€theirÐ ,`'* Ðsurface€coating€rule€and€that€the€revisions€being€made€will€be€very€flexible€because€of€theÏnumerous€differences€in€the€processes€being€covered.€€This€representative€stated€that€the€EPAÐ ð-@), Ðneeds€to€keep€the€MACT€standard€ñRñveryflexibleñRññRñvery€flexibleñRñ€to€allow€local€agencies€to€implement€what€isÏgood€for€their€area.€€For€example,€the€prescriptive€use€of€a€certain€type€of€application€methodÏmay€be€counter„productive€for€certain€types€of€coatings;€such€as€using€an€airless€spray€gun€forÏasphaltic€coatings,€thereby€increasing€solvent€use€to€allow€the€coating€to€be€applied€by€thisÏmethod.ÌÌòòSub„categorizationó󀄀Various€methods€were€suggested€for€how€this€category€could€be€brokenÐ P   Ðdown€into€smaller€sub„groups:€1)€Size€of€product;€2)€Method€of€application;€3)€Time€of€useÏ(hourly€versus€continuous€lines);€4)€Volume€of€use;€5)€Process€lines€versus€field€repair;€6)€TypeÏof€paint/coating€used€(asphaltic,€high„solids,€low€VOC,€etc.);€7)€End„use€of€the€final€productÏ(Performance€requirements€and€specialty€applications);€8)€SIC;€and€9)€Curing€method.€€It€wasÏalso€noted€that€wire€coating€is€very€much€different€from€all€other€coating€processes€within€thisÏsource€category,€and€should€stand€alone€as€a€sub„category,€if€not€broken„out€as€a€separate€sourceÏcategory.ñRñ›ñRñ€€It€was€also€suggested€that€a€final€sub„categorization€scheme€may€be€a€hybrid€of€moreÏthan€one€method.ÌÌòòState€Rulesó󀄀A€poll€of€the€state€and€local€agency€representatives€and€industry€representativesÐ ° Ðwith€operations€in€various€states€was€taken€to€assess€the€basis€for€state€rules:€SC,€NC€and€WAÏuse€fence€line€concentrations€determined€by€dispersion€modeling€to€determine€compliance;€CAÏuses€VOC€content€and€transfer€efficiency;€NJ€recently€added€new€operations€to€their€rule;€and€TNÏuses€the€pounds/gallon€recommendations€from€the€current€CTG.€€It€was€also€noted€that€manyÏstates€have€ñRñœñRña€list€of€toxic€pollutantsñRñ›ñRññRññRñ€ñRñœñRñthat€varies€from€the€list€of€189€pollutants€specified€in€112(b),Ïand€that€these€need€to€be€considered€in€the€PMACT€process.ÌÌòòPotential€Conflicts€with€OSHA€Regulationsó󀄀EPA€asked€the€attendees€to€comment€on€this€areaÐ 0€ Ðof€concern.€€Some€emission€control€techniques,€such€as€air€recirculation,€may€increase€theÏconcentration€of€toxic€pollutants€above€the€ñRñœñRñPELñRñ›ñRññRñ›ñRñ,€thereby€triggering€noncompliance€with€OSHAÏregulations€or€increasing€the€regulatory€burden€on€the€facility.€€It€was€suggested€that€theÏñRñœñRñAmerican€Conference€of€Governmental€Industrial€ñRñHygenistsñRññRñHygienistsñRñ€(ñRñœñRñACGIHñRñ›ñRññRñ›ñRññRñœñRñ)ñRñ›ñRññRññRñ€recommendations€forÏspray€paint€booths€and€the€rules€from€the€South€Coast€Air€Quality€Management€District€inÏñRñœñRñCaliforniañRñ›ñRñ€be€referenced.€€ñRñœñRñIt€was€also€noted€that€Chuck€ñRñœñRñDarvinñRñ›ñRñ€(ñRñœñRñORDñRñ›ñRñ/EPA)€is€working€on€aÏproject€at€a€Marine€base€in€California€where€they€are€investigating€the€potential€for€usingÏrecirculation/partition€systems€to€reduce€exhaust€of€toxic€pollutants.ÌÌòòFacilities€with€Early€Reductionsó󀄀A€special€concern€was€raised€for€facilities€that€apply€the€mostÐ $à" Ðinnovative€technology€prior€to€the€development€of€the€MACTñRñ›ñRñ,€and€that€they€not€be€subject€to€theÏsame€reduction€levels€as€facilities€without€the€costly€additional€controls.€ñRñœñRñÌÌòòPollution€Preventionó󀄀Pollution€prevention€was€brought€forward€as€an€alternative€to€expensiveÐ P( #& Ðadd„on€controls.€€It€was€noted€that€if€the€demand€for€low„HAP€coatings€increases,€the€marketÏdemand€for€the€production€of€HAPs€will€also€be€decline,€reducing€emissions€from€solventÏproduction€facilities€as€well.ÌÌòòFacility€Bubbles€and€Other€Averaging€Methodsó󀄀The€application€of€a€bubble„type€of€averagingÐ -P(+ Ðfor€entire€facilities€was€discussed,€possibly€across€source€categories.€€Investigation€of€alternativeÐ ð-@), Ðaveraging€methods€was€also€suggested.€€It€was€noted€that€averaging€across€source€categories€andÏacross€subcategories€is€allowable.€€ñRñ›ñRñÌÌòòPMACT€Processó󀄀Concern€was€raised€on€the€definition€of€the€top€12%€under€the€six„month€timeÐ €Ð Ðframe€for€the€current€PMACT€process;€the€method€of€ñRñœñRññRñœñRñsubcategorizationñRñ›ñRññRñ›ñRñ€will€also€affect€thisÏdetermination.€€It€was€suggested€that€a€longer€time€frame€be€used€for€this€source€category€since€itÏis€so€diverse€and€ubiquitous.€€ñRñœñRñOne€attendee€believed€that€the€PMACT€would€be€picked„up€by€theÏState/local€ñRñageniesñRññRñagenciesñRñ€for€their€SIPs,€but€that€six€months€is€insufficient€time€to€develop€a€highÏquality€PMACT,€and€it€would€be€better€to€either€spend€more€time€developing€the€PMACT€orÏdrop€PMACT€and€go€directly€to€MACT€development€for€this€source€category.€€ItñRñ›ñRñ€was€alsoÏspeculated€that€a€PMACT€may€not€be€necessary€for€this€source€category€ñRñœñRñbecause€few€facilitiesÏwould€be€constructed€or€reconstructed€and€the€need€for€ñRñcasñRññRñcaseñRñ„by„case€MACT€determination€wouldÏbe€minimal.ñRñ›ñRñÌÌòòChanging€Solventsó󀄀This€concern€was€raised€after€the€session.€€By€reducing€the€amounts€ofÐ Ð  Ðcertain€solvents€declared€as€HAPs,€the€market€forces€may€increase€the€use€of€other€solvents€notÏcurrently€classified€as€HAPs€due€to€their€volume€of€use,€yet€triggering€their€later€redesignation€asÏHAPs€due€to€increases€in€use.€€Other€concerns€were€raised€as€to€product€quality€and€nuisanceÏproblems€(odor)€associated€with€some€potential€replacement€ñRñœñRñsolvents.ÌñRñ›ñRññRññRññRñœñRñÌòòSmall„Use€Exemptionó󀄀It€was€noted€that€the€aerospace€NESHAP€includes€a€small€use€exemptionÐ pÀ Ðand€a€similar€type€exclusion€was€encouraged€to€be€considered€for€miscellaneous€metal€parts.ÌÌòòFormat€of€the€Standardó󀄀A€concern€was€raised€about€ñIñwhether€standards€based€on€technologiesÐ @ Ðother€thañIññJññIñt€ñIññJññKñn€add„on€controls€would€be€considered.€€In€response,€it€was€noted€tñKññLññKñaht€ñKññLññMñhñMññNññMñtatñMññNññOñat€all€oñOññPññOñtñOññPññQñptions€will€beÏconsidered.ñQññRñ›ñRñ