ccCommonwealthofPennsylvaniaDepartmentofEnvironmentalProtectionRECEWEDStateImplementationPlanRevision:Section11O(a)(2)(K)forFineParticulatesApril2008JUN112000EPA.REGIONIIIOFFICEOFREGIONALADMINISTRjVI’(JRBureauofAirQualityPennsylvaniaDepartmentofEnvironmentalProtectionP.O.Box8468Harrisburg,PA17105-8468717-787-9495www.depweb.state.pa.usKathleenA.McGintyEdwardG.RendellSecretaryGovernorcccrblankfortwosidedcopying1flCCCStateImplementationPlanRevisionSection11O(a)(2)(K)RequirementsforOzoneandFineParticulatesAStateImplementationPlan(SIP)isaplanforeachstatethatidentifieshowthatstatewillattainand/ormaintaintheprimaryandsecondaryNationalAmbientAirQualityStandards(NAAQS).TheSIPisacomplex,fluiddocumentcontainingregulations,source-specificrequirements,nonregulatoryitemssuchasplansandinventories,andinsomecasesadditionalrequirementspromulgatedbytheU.S.EnvironmentalProtectionAgency(EPA).TheinitialSIPsforstateswereapprovedbyEPAonMay31,1972.SIPscanberevisedbythestatewithEPAapprovalasnecessary.ThefederallyenforceableSIPforPennsylvaniaiscompiledin40CFRPart52,SubpartNN.OnDecember7,2007,theCommonwealthofPennsylvaniasubmittedaSIPrevisiontoEPAwhichaddressedthoserequirementsofSection110(a)(2)(A)-(M)oftheCleanAirAct(CAA)thathavenotbeenaddressedinotherSIPrevisions,describinghowtheCommonwealthofPennsylvaniawilldemonstratehowtheeight-hourozoneandfineparticulate(PM2.5)NAAQSarebeingimplemented,maintainedandenforced.ApubliccommentperiodwasheldontheDecember7,2007SIPsubmittalfromSeptember15,2007throughSeptember16,2007.ThisSIPrevisionisasupplementtotheDecember7,2007submittalanddescribeshowtheCommonwealthwillfulfillthefollowingrequirementsundertheCleanAirAct(CAA)setforthbelowforthefineparticulate(PM2.5)NAAQS:Section110(a)(2).EachimplementationplansubmittedbyaStateunderthischapter[CAA]shallbeadoptedbytheStateafterreasonablenoticeandpublichearing.Eachsuchplanshall*****(K)providefor-(i)theperformanceofsuchairqualitymodelingastheAdministrator[ofEPA]mayprescribeforthepurposeofpredictingtheeffectonambientairqualityofanyemissionsofanyairpollutantforwhichtheAdministratorhasestablishedanationalambientairqualitystandard,and(ii)thesubmission,uponrequest,ofdatarelatedtosuchairqualitymodelingtotheAdministrator;OnDecember17,2004,EPApublisheditsairqualitydesignationsandclassificationsforthePM25NAAQS.ThesedesignationsbecameeffectiveonApril5,2005.AreasdesignatedasnonattainmentinPennsylvaniaforPM2.5are:Harrisburg-Lebanon-Carlisle;Johnstown;Lancaster;York;Reading;andthefivecountiesofthePhiladelphia-WilmingtonPA-NJ-DEarea.1ccccSection4(1)ofthePennsylvaniaAirPollutionControlAct(APCA)providesthatitisthepoweranddutyoftheDepartmenttoimplementtheprovisionsoftheCAAinthisCommonwealth.35P.S.§4004(1).InherentinthisgrantofpoweranddutyistheobligationtomeettheNAAQSestablishedbySection107oftheCAA.Section4(15)oftheAPCAprovidesthatitisthepoweranddutyoftheDepartmentofEnvironmentalProtection(Department)toconductorcausetobeconductedstudiesandresearchwithrespecttoaircontaminants,theirnature,causesandeffects,andwithrespecttothecontrol,prevention,abatementandreductionofairpollutionandaircontamination.35P.S.§4004(15).ThispoweranddutyincludethepoweranddutytoperformairqualitymodelinganddatasubmissionsprescribedbytheAdministratorofEPAunderSection110(a)(2)(K)oftheCAA.InherentinPennsylvania’sobligationtomeettheNAAQSandtoconductorcausetobeconductedstudiesandresearchistheauthorityandobligationfortheDepartmenttoperformmodelingasrequiredundertheCAAtodemonstrateattainmentoftheNAAQS.PennsylvaniawillcontinuetoperformmodelingasrequiredundertheCAAtodemonstrateattainment.PennsylvaniawillcontinuetosubmittheairqualitymodelingdataaspartofitsrelevantSIPsubmissionsandthroughfederalgrantcommitmentsorinotherwaysthatEPAmayrequest.Pennsylvania,asamemberoftheMid-AtlanticRegionalAirManagementAssociation(MARAMA),conductsmulti-pollutantregionalmodelingthroughtheeffortsofacooperativeregionalconsortium.ThisconsortiummostrecentlyperformedregionalmodelingutilizingtheresourcesandexpertiseofMARAMA,theNortheastStatesforCoordinatedAirUseManagement(NESCAUM),andthestatesofNewYork,Virginia,NewJerseyandMarylandtoconductregionalairqualitysimulationsforcalendaryears2002,2009and2018forozone,fineparticlesandregionalhaze.Thisworkwasundertakenviaamulti-pollutantregionalmodelingplatforminordertomeetrequirementsforozone,particulatematterandregionalhazemodeling.TheregionalmodelingplatformutilizedmeteorologicalfieldsdevelopedbytheUniversityofMaryland,emissionsinformationdevelopedbyMARAMA,emissionsmodelingperformedbyNewYorkandNESCAUM,andchemicaltransportmodelingperformedbymodelingcentersinNewYork,NESCAUM,NewJersey,Maryland,andVirginia.PennsylvaniaandotherparticipatingstatesprovidedemissionsinventoryinformationtoMARAMAandprovidedtechnicalandpolicyoversightanddirectionforthemodelingcentersthroughtheOzoneTransportCommissionModelingCommitteeandtheMid-Atlantic/NortheastVisibilityUnion(MANE-VU)TechnicalSupportCommittee.Theproceduresfollowedinthemodelinganalysisforthe1997PM2.5attainmentdemonstrationswillbeinaccordancewithEPA’sGuidanceontheUseofModelsandOtherAnalysesforDemonstratingAttainmentofAirQualityGoalsforOzone,PM25andRegionalHaze(EPA454/B-07-002,April2007).TheDepartmentsubmittedamodelingprotocolforthesenonattainmentareasinOctober2007.2

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ccPublicComment.TheDepartmentacceptedpubliccommentonthisproposedSIPrevisionfromMarch8throughApril10,2008.ApublichearingonthisproposedSIPrevisionwasheldonApril10,2008andnocommentwasreceived.3Jj