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S\  `&Times New RomanS7b(X7`)2dxd0KS.SampleKl<6X9`(Courier NewKS\  `&Times New RomanS0.Strong 8dl6TypewriterKl<6X9`(Courier NewKS\  `&Times New RomanS42Variable: 8HTML MarkupB      2 0CommentB  9:;<=>?@ 35;AGMSY_11.1.1.1.1.1.1.1.<6X9`(Courier New%2A`Arial(zEGMSY_ekqAutoList15A.A.A.A.A.A.A.A.nA.(EGMSY_ekqAutoList16A.A.A.A.A.A.A.A.pA.(EGMSY_ekqAutoList17A.A.A.A.A.A.A.A.rA.0EGMSY_ekqAutoList18A.1.A.A.A.A.A.A.tA.JA.(jEGMSY_ekqAutoList20A.A.A.A.A.A.A.A.wA.http://www.epa.gov \  `*Times New RomanTT !USUS.,  _8XXdd8February25,2005    HighlightsoftheEmissionsMeasurementCentersActivitiesfor2004/2005  t U.S.EnvironmentalProtectionAgency L  OfficeofAirandRadiation 8  OfficeofAirQualityPlanningandStandards $ t Emissions,Monitoring,andAnalysisDivision  ` (4 {O  5  www.epa.gov/ttn/emc6 O  7 ]M)  L    Belowarehighlightitemsinvolvingemissiontestmethoddevelopment,evaluation, $  validation,publicationandother EmissionsMeasurementCenter(EMC) activitiesduringthe   pasttwelvemonths.Theinformationisorganizedbypublicationcategoryororganizational   activities.    (h83! ! J(88"3"  32  A  .3  0    NewandRevised40CFRPart60,AppendixA,TestMethods 3݌t(#(# Ќ  ! ! (h88J"3"    302h  1  .3  0 `   XXXXInstrumentalTestMethodsRevisions#XXXX# XXXXԀMethods3A,6C,7E,10,and20of40 L CFRPart60,AppendixAareinstrumentaltestmethodsthatwearerevisingto < harmonizeequipmentandperformancecriteria.Inconsistentacceptancecriteria (x forperformancetestsandcalibrationgasqualityarebeingmadeuniform.Other d improvementsaddresslowconcentrationmeasurementsandalternative P performanceevaluatingtechniques.#XXXX-#XXXXRevisionstothesemethodswereproposedon < October10,3003(68FR58838).Sixtyonepubliccommenterssubmittedover ( 700commentsontheproposal.#XXXXT #XXXXԀWeare#XXXXT #XXXXpresentlyaddressingthecommentsand  resolvingtheissuesraisedand#XXXX #XXXXԀweanticipatepromulgationofthemethodrevisions  #XXXX9 #XXXXinthesummerof2005. (FostonCurtis919/5411063andTerryHarrison  919/5415233) #XXXX #XXXX30l݌` (#` (# Ќ  "3"    3 2h  2  .3  0 `   Method18Revisions Method18of40CFRPart60,AppendixA#XXXXs #XXXXԀutilizesgas d  chromatographycoupledwithvarioussamplingprocedurestomeasuregaseous T! organicemissionsfromstationarysources.InJanuaryof2004,wemetwith @"  interestedstakeholderstodiscusstheirconcernswithreallifeapplicationof ,#|! Method18andtohearothersuggestionsforimprovementsinthemethod.Atlast $h" yearsStationarySourceSamplingandAnalysisofAirPollutantsConference,we %T # presentedourtechnicalperspectiveonstakeholderrecommendations.Wehave %@!$ justobtainedtheresourcestobeginworkonaregulatorypackagetopropose &,"% revisionstoMethod18andexpecttoproposetheserevisionsbytheendof2005. '#&  (RimaHowell919/5410443andGaryMcAlister919/5411062) 3 ݌($'` (#` (# Ќ  "3"    32h  3  .3  0 `   #XXXX#XXXXMethod24Revisions#XXXX^# XXXXԄMethod24describesproceduresfordeterminingthe *%) volatilemattercontent,watercontent,density,volumesolids,andweightsolidsof |+&* surfacecoatings,typicallyreferencingASTMproceduresforconductingthese h,'+ analyses.InanEPAsponsoredstudy,wecompletedaroundrobinsamplingand T-(, analysisevaluationofanewprocedurefordeterminingthevolatileorganic  contentofwaterbasedcoatingsanddraftedamethodrevisionbasedonthe  results.WeareworkingwiththeAdhesiveCouncilwhichconductedaround  robinevaluationofaheadspaceprocedureforwaterbasedcoatings.#XXXX#XXXXԀThe t AdhesiveCouncilhasdraftedafinalmethodandisworkingtogetitacceptedby ` ASTM.AsitispresentlyundertheASTMballotingprocess,weexpecttobeable L  toproposeitasanadditiontoMethod24sometimein2005. (CandaceSorrell 8  919/5411064)#XXXX# 3݌( x` (#` (# Ќ  "3"   p(88 ! !32  B  .3  0    NewandRevised40CFRPart60,AppendixB,PerformanceSpecificationsfor  P  ContinuousOpacityandGaseousMonitoringSystems 3݌ < (#(# Ќ  ! ! $(h88p"3"    3S2h  1  .3  0 `   XXXXPerformanceSpecification11SpecificationsandTestProceduresfor   ParticulateMatterContinuousEmissionMonitoringSystemsatStationary   Sources(PS11)#XXXX#XXXXԀ Theserequirements#XXXX#forparticulatematter(PM)continuous   emissionsmonitoringsystems(CEMS)XXXXԀwerepromulgatedonMonday,January   12,2004(69FR1786).#XXXX#PS11isusedforevaluatingtheacceptabilityofaPM x CEMSatthetimeoforsoonafterinstallation,andwheneverspecifiedina d sourcesapplicableregulation(s).Thisperformancespecificationrequiressite P specificcorrelationofthePMCEMSresponseagainstmanualgravimetric < ReferenceMethodmeasurements(e.g.,Methods5,5B,5i,or17,40CFR60, (x AppendixA).PS11outlinestheproceduresandacceptancecriteriafor d installation,operation,calculations,andreportingofdatageneratedduringaPM P CEMScorrelation.XXXXԀ#XXXX #ԀCurrently,d  evelopmentofaguidancedocumentforPM < CEMSisunderway  .!XXXX;itshouldbeavailablebyearlysummer2005. (DanBivins ( 919/5415244)3S݌` (#` (# Ќ  #XXXX!#XXXX"3"    3"2h  2  .3  0 `   PerformanceSpecification12ASpecificationsandTestProceduresfor  TotalVaporPhaseMercuryContinuousEmissionMonitoringSystemsin  StationarySources(PS12A)#XXXX"#XXXXԀ TheEMCiscurrentlyconductinganewlong x termfieldtestprogramtodemonstratetheperformanceandreliabilityoffour h  commerciallyavailablemercuryCEMSatacoalfiredutilityboilercontrolledby T! selectivecatalyticreductiontechnology,anelectrostaticprecipitator,andawet @"  scrubber.Theknowledgeobtainedduringthisdemonstrationisbeingusedto ,#|! informfinalizationofproposedtheAgencymercurymonitoringrequirements $h" proposedonJanuary30th(68FR4652)andMarch16th(69FR12398)of2004 %T # withstandardsforelectricutilityboilers. (BillGrimley919/5411065and %@!$ RobinSegall919/5410893) #XXXX"$#3""݌&0"%` (#` (# Ќ  "3"    3'2h  3  .3  0 `   XXXXDraftPerformanceSpecificationsforPredictiveEmissionsMonitoring ($' Systems(PEMS)(PS16) PerformanceSpecification16willprovide )$( performancecriteriaforevaluatingandacceptingPEMS.PEMSaretypically *%) usedtopredictemissionsfromcombustionprocesses(e.g.,NOxfromgasboilers, +&* turbines,andinternalcombustionengines)throughthemonitoringofprocess l,'+ parameters.PredictivesystemsarebeingallowedontheStatelevelandtheEPA X-(, hasallowedtheiruseinrecentlypromulgatedrules.WeexpecttoproposePS16  intheSpringof2005.#XXXXa(#XXXX (FostonCurtis919/5411063) #XXXXc+#XXXX3'(݌` (#` (# Ќ    #XXXX+#   "3"  3n,2h  4  .3  0 `   XXXXDraftPerformanceSpecificationsandQA/QCforContinuousParameter x MonitoringSystems(PS17)#XXXX,# XXXXԀOurneweremissionsstandards(e.g.,MACTand d NSPS)frequentlyincluderequirementsformonitoringofprocessorcontrol T  deviceoperationalparametersandforhavingtheoperatortostaywithinsite @  specificorrulespecificoperatingranges.Werecognizedtheneedfor , | performancespecificationsforinstalling,operatingandmaintainingthese  h parametricmonitoringsystems(e.g.temperature,pressure,pH,liquidflow,  T  conductivity)andhavebegunworkondraftingperformancespecificationsand  @  qualityassurancerequirements.WeexpecttoproposePS17forpubliccomment ,  reviewinthesummerof2005. (BarrettParker919/5415635) #XXXX-#3n,,݌ ` (#` (# Ќ   w(j88$! !"3"  312j  C  .3  0    NewandRevised40CFRPart60,AppendixF,QualityAssuranceProcedures(for   ContinuousMonitoringSystems) 31+2݌ (#(# Ќ   (5h88w   1.0 ` Procedure3QualityAssuranceRequirementsforContinuousOpacity l MonitoringSystemsatStationarySourcesXXXX 󀄀Asaresultofthecomments X receivedafterreopeningthecommentperiodfortherulemakingformerlyknown H as Method203,whichincludesrequirementsforongoingqualityassuranceand 4 qualitycontrolevaluationsofCOMSusedascontinuouscompliancemonitoring  p systems,#XXXXj4#XXXXԀwedecidedtoformastakeholdersgrouptoundertakethetaskofre  \ writingthisrulepackage.Thestakeholdersgroupwascomprisedofopacity H monitormanufacturers,State/localagencies,EPAregionpersonnel,aswellas 4 representativesfromowners/operators.Method203hasbeenrewrittenas   Procedure3,andwasreproposedasanadditionto40CFRpart60,appendixF#XXXX6#ԀXXXXin   theFederalRegisteronMay8,2003(68FR24692);weexpecttopromulgateit  bytheendof2005. (SolomonRicks919/5415242) #XXXX(8#` (#` (# ! !";"  XXXX;a90  25h  2  .3  0` (#(#  Procedure2QualityAssuranceRequirementsforParticulateMatter p  ContinuousEmissionMonitoringSystemsatStationarySources#XXXX9#XXXXԀ Asan \! accompanimenttoPS11forPMCEMSwepromulgated#XXXX:#XXXXongoingquality L"  assuranceandqualitycontrolrequirementsforusingPMCEMSascontinuous 8#! compliancemonitoringsystems#XXXXj;#XXXXԀ(69FR1786,1/12/04). (DanBivins919/541 $$t" 5244)#XXXXL<# ;a99݌%d #` (#` (# Ќ   r(88 ! !"3"  3=2  D  .3  0    NewandRevised40CFRPart63,AppendixA,TestMethods 3==݌&<"%(#(# Ќ  ! ! ((88r"3"    3k?2  1  .3  0 `   XXXXMethod301 󀄀Method301isthefielddatavalidationprotocolpromulgatedon ($' December29,1992.Themethodprovidesaframeworkandperformancecriteria )%( forvalidatingemissionstestdata(andmethods)whennoEPAmethodisavailable *%) orwhenproposinganalternativetoanexistingtestmethod.Commentsand +&* questionsfromtheusercommunityhavepromptedpreparationoftechnical x,'+ revisionsandclarificationtothemethod.TheproposedamendmentstoMethod d-(, 301appearedintheFederalregisteronDecember22,2004.Thecommentperiod  closedonFebruary22,2005.Oneoftheimportantchangesweproposedwasto  allowthetestertoevaluatecandidatealternativestoexistingreferencemethodsby  analytespikingproceduresaswellasbydirectcomparisontothereference t method.Wealsoproposedtoaddadiscussionofdetectionlimits,deletethe ` practicallimitofquantitationprocedure,tightentheacceptableprecisionlimits, L  andcorrectdeficientequationsandothertechnicalerrors.Weexpecttofinalize 8  theamendmentssometimenextSpring. (GaryMcAlister919/5411062)#XXXX@#XXXXԀ 3k??݌$ t` (#` (# Ќ    #XXXXE#  "3"  35F2  2  .3  0 `   XXXXMethod323MeasurementofFormaldehydeEmissionsfromNaturalGas  P  FiredStationarySourcesAcetylAcetoneDerivatizationMethod#XXXXF# XXXXԀWe  <  proposedtheindustrydevelopedacetylacetonecolorimetricmethod(first ,  publishedasCTM037)forformaldehydeaspartofthecombustionturbine   MACT#XXXXG# XXXXin#XXXXH# XXXXԀonTuesday,January14,2003(68FR1925).Itutilizesachilledmidget   impingertrainforsampling.#XXXXH#XXXXMethod323wascitedintheJune15,2004internal   combustionengineMACTpromulgation,butthemethoditselfhasnotbeen   promulgated.(ItwasoriginallyproposedwiththecombustionturbineMACT,but x wasdeterminednotappropriateafterproposalandwasremovedfromthe d promulgationpackageand#XXXXI#XXXXwefailedtoadditintotheinternalcombustionengine P MACTpackage.) (TerryHarrison919/5415233) #XXXXwK#35FbF݌<` (#` (# Ќ  "3"    3~L2  3  .3  0 `   XXXXMethod324#XXXXM#XXXXDeterminationofVaporPhaseMercuryEmissionsfrom h StationarySourcesUsingDrySorbentTrapSampling 󀄀Aspartofitsfield T testingprogramstodemonstratetheeffectivenessofcommerciallyavailable D mercuryCEMSatcoalfiredutilityboilers,EMChasalsoevaluatedalongterm 0 integratedmercurymonitoringmethodusingsorbenttrapsampling.Thismethod  wasproposedalongwithPS12AonJanuary30,2004(68FR4652)aspartofthe  electricutilityMACT.Commentshavebeenreceivedandconsideredand  promulgationofamercuryruleforelectricutilityboilersisexpectedinMarch  2005. (BillGrimley919/5411065andRobinSegall919/5410893) #XXXX]M#3~LL݌|` (#` (# Ќ  E.  NewandRevised40CFRPart51,AppendixM,TestMethods  D"    1. 0 ` PromulgationofMethods203A,B,andCVisualDeterminationofOpacity $l" ofEmissionsfromStationarySourcesforTimeAveraged,TimeException, %X # andInstantaneousLimitationRegulations Thesemethodsareintendedto %D!$ provideStateandLocalagencieswithanexpandedarrayofdatareduction &4"% procedurestodeterminecompliancewithvarioustypesofStateImplementation ' #& Plan(SIP)opacityregulations.Thedatareductionproceduresandtheprocedures ( $' forfugitiveemissionsobservationinMethods203A,203B,and203Cof )$( AppendixMofPart51(RequirementsforPreparation,Adoption,andSubmittal *%) ofImplementationPlans)constitutetheprimarydifferencebetweenthesemethods +&* andMethod9ofAppendixAof40CFR,Part60(StandardsofPerformancefor l,'+ NewStationarySources).Thesemethodswereproposedin1994andare X-(, expectedtopromulgatedbyearlysummer2005. (SolomonRicks919/5415242) ` (#` (#  F.0  ConditionalTestMethods(CTM) 󀄀Thesemethods,whicharepublishedontheEPA x websiteat:4yet O  5  www.epa.gov/ttn/emc,6VOV  7etVԀhavebeenevaluatedbyEPAandmaybeapplicableto h oneormorecategoriesofstationarysources.TheEPAconfidenceinaCTMisbased T  uponreviewoftechnicalinformationincludingfieldandlaboratoryvalidationstudies. @  EPAunderstandingofthemostsignificantqualityassurance(QA)andqualitycontrol , | (QC)issues;andEPAconfirmationthatthemethodaddressestheseQA/QCissues  h sufficientlytoidentifywhenthemethodmaynotbeacquiringrepresentativedata.For  T  StateandlocalprogramstouseaCTMforTitleVpermits,StateImplementationPlans  @  (SIP),etc.,theymustbesubjecttoanEPARegionalSIPapprovalprocessorpermitveto ,  opportunityandpublicnoticeandcomment;CTMmaybeusedwithoutEPAoversight   forothernonFederalapplicationsincludingstatepermittingprogramsand   scientific/engineeringstudies.ForasourcetousethemtomeetFederalrequirements   under40CFRParts60,61,and63,ACTMmustbeapprovedasanalternativetest   method.x(#(#   1. 0 ` CTM036MethodforMeasurementofTolueneDiisocyanate(TDI)and P MethylenediphenylDiisocyanate(MDI)StackEmissions Thismethodwas < submittedbyBayerPolymers,LLCalongwithlaboratoryandfieldvalidation ,| data.Wereviewedthemethodandvalidationdataandsubsequentlypostedthe h methodasCTM036inAprilof2002.Wesincereceivedadditionaldatafrom T Bayerinsupportofapplicationofthemethodtoadditionalcompounds(1,6 @ hexamethylenediisocyanate(HDI),HDIbiuret,HDItrimer,andisophorone , diisocyanate(IPDI))andagreed,uponreviewofthedata,thatthemethodwas  appropriateformeasuringthosecompoundsalso.Theupdatedmethodwillbe  addedtotheEMCwebsiteinthenextseveralweeks.XXXX (GaryMcAlister919/541  1062)#XXXX_# ` (#` (# ! ! ";"  ;`0  2  3  .3  0` (#(#  CTM040XXXXMethodforDeterminationofPM10andPM2.5Emissions h  (ConstantSamplingRate) ThismethodcombinesMethod201A(40CFR51, T! AppendixM)withthePM2.5cyclonefromaconventionalfivestagecascade D"  cyclonetrainthatincludesfivecyclonesofdifferentdiametersinseries.The 0#! PM2.5cycloneisinsertedbetweenthePM10cycloneandthefilteroftheMethod $l" 201Atrain.Stackgasissampledatapredeterminedconstantflowratethroughthe %X # instackcyclonesandfilter.Oncethesampleisobtained,theuncombinedwater %D!$ isremovedandgravimetricanalysisisusedtodeterminethemassofparticulate &0"% foreachsizefraction#XXXXYa#XXXX.ThismethodwaspreviouslypostedasPRE004onthe '#& EMCwebsiteandhasrecentlybeenmovedtotheConditionalTestMethod ($' category. (TomLogan919/5412580) #XXXXd#;``݌)$(` (#` (# Ќ  ";"  ; f0  2  4  .3  0` (#(#  CTM041DeterminationofVolumetricGasFlowinRectangularDuctsor +&* StacksTakingIntoAccountVelocityDecayNeartheStackorDuctWalls  l,'+ WithEPAsCleanAirMarketsDivision(CAMD)weundertookaprojectto \-(, identifyamethodsuitableforinclusioninalternativemethodrequestsbythePart  75regulatedcommunityforflowmeasurementsinrectangularducts.EPAs  currentMethod2H,whileaddressingwalleffectsincircularducts,doesnot  addresswallandcornerequalareaflowmeasurementproblemsinrectangular t ducts.ThefinalevaluationreportwasreviewedbyEMCandCAMDandthe ` candidatemethodwasfoundtobesuitable.ItwaspostedontheEMCwebsiteas L  CTM041inDecember2003,andcannowbeusedasacommonbasisformaking 8  requestsforapprovalofsuchanalternativemethod.XXXX (JohnSchakenbach202 $ t 5649158,BillGrimley919/5411065,orTomLogan919/5412580) #XXXXj#; f6f݌ d` (#` (# Ќ   *(J08(! !"3"  33l2J  F  .3  0    OtherEmissionsMeasurementProjects 33lcl݌( (#(# Ќ  ! ! ,(80*"3"    3m2  1  .3  0 `   DevelopmentofOpticalRemoteSensingMethodtoDetermineEmissionFlux   fromFugitiveEmissionSources 󀄀Nostandardprotocolexistsformaking   measurementsofairemissionfluxfromfugitiveornonpointsources.Current   estimationtechniquesbasedonemissionfactorsareimpreciseandmay x overestimate.Earlierpointmeasurementorremotesensingapproachesthatrely d onreversedispersionmodelingarepronetomodelingerrors.Thisproject,begun P in2002,seekstodemonstrateapathintegratedopticalremotesensing(PIORS) < techniqueutilizingmultiplebeampathsandoptimizingalgorithmstoyieldatime (x averaged,massequivalentconcentrationfieldacrossacontaminantplumefrom d which,usingwinddata,theemissionratecanbedetermined.During2002and P 2003extensivefieldvalidationtestingusingopenpathFTIRandcontrolled < releasesofvariousgaseswasconducted.Forthisproject,fundedbyDoDs ( EnvironmentalSecurityTechnologyCertificationProgram,weareservingasa  regulatoryadvisortotheAirForceanditscontractor,ARCADIS.Weplanto  havethedraftprotocolforconductingthesemeasurementspeerreviewedand  thenpublishitasaConditionalTestMethodinlateSpring2005. (RobinSegall  919/5410893) 3mn݌x` (#` (# Ќ    2. 0 ` |XXXXDevelopmentofanAcroleinMethodforStationarySourceandAmbientAir P! Applications !Inthepast,boththestationarysourceandambientairmethodsfor <"  acroleinhavedemonstratedpoorrecoveries.Thecurrentstationarysource ,#|! method(Method0011,SW846)foraldehydesandketonesusesanacidified $h" solutionof2,4dinitrophenylhydrazine(DNPH)toderivatizeandstabilize %T # compoundscontainingthecarbonylfunctionalgroup.Thoughitperformswell %@!$ foranumberoftheotheraldehydesandketones,Method0011hasconsistently &,"% shownpoorrecoveriesforacrolein.TheEPAsOfficeofResearchand '#& Developmentiscurrentlytestinganewcompound,DansylHydrazine(DNSH)to ($' determinewhetheritcanyieldhighrecoveriesofacroleinforambientairsamples. )$( ЀEPAEMCrecentlyinvestigatedwhetherthisnewcompound,DNSH,couldyield *%) highrecoveriesofacroleinunderstationarysourcemeasurementconditions, x+&* therebyallowingEPAtopotentiallydevelopanewstationarysourcemethodfor d,'+ acrolein.Amixingchamberwasusedtosimulatestackconditionsinthe P-(, laboratoryandtestswereperformedsamplingaknownconcentrationofacrolein  using(1)DNSHsolutionand(2)modifiedDNPHcoatedbeads.Inaddition,an  extractiveFourierTransformInfrared(FTIR)measurementsystemwasevaluated  aswell.ThetestingshowedthatDNSHandDNPHwillyieldpoorrecoveriesfor t acroleinundersourceconditions.TheFTIRdididentifyandquantifytheacrolein ` inthetestchamber;however,thedetectionlimitwas~1.0ppmwhichisnotlow L  enoughforanticipatedapplications.FurthertestingusinganFTIRwithalonger 8  pathlengthcellisbeingevaluatedatthistime.#XXX|Xt#Ԁ (DennisMikel919/5415511) $ t` (#` (#    3.0 ` XXXXStationarySourceAuditProgram (SSAP) #XXXX}#ԀEMC hasimplementedan  P  electronicStationarySourceAuditProgram(SSAP)database.Federal,State,  @  Local,andTribalAgencypersonnelnowusethisdatabasetoelectronicallyorder ,  auditsamples.Thedatabasecompilestheauditresultsinseveralreportformats   thatallowtheQATeamandAgencystafftoreviewtheresultsofaparticular   audit.Theauditsampleresultsareinputintothedatabasebythepersonwho   initiallyrequestedtheauditsampleandapass/failnoticeisautomaticallyissued.   Forsecurity,accesstothedatabaseislimitedtoregisteredFederal,State,Local& x TribalAgencyusers. RegistrationrequestscanbesubmittedtoCandace d Sorrellattheemailaddressortelephonenumberbelow. Therequestshould T includename,nonP.O.Boxaddress,Agencyaffiliation,phonenumber,ande D mailaddressandyouwillreceivefurtherinstructionsviareturnemail.XXXXCurrently, 0 thereareauditmaterialsforMethods6,7,8,12,13Aand13B,18,23,24(inks l andsolvents),25,26,26A,29,101A,and315.TheEMCQAteamalsoconducts X teleconferencecallsonthefirstTuesdayineverymonthfrom1:30-3:30pm(EST) D todiscussauditandotheremissiontestingissues.Agendasandminutesforthese 0 conferencecallscanbeobtainedbycontactingCandace.#XXXX# (CandaceSorrell  919/5411064) XXXX ` (#` (#    4.0 ` #XXXX #ASTMActivity 󀄀EMCparticipatesinSubcommitteeD2203ofASTM  primarilytoencouragedevelopmentofnewstacktestmethodsforcaseswherewe  anticipateafutureneedthatisnotmetbyacurrentEPAmethod.D6831-02 p  StandardTestMethodforSamplingandDeterminingParticulateMatterinStack \! GasesUsinganIn-Stack,InertialMicrobalanceandD6784-02StandardTest H"  MethodforElemental,Oxidized,Particle-BoundandTotalMercuryinFlueGas 4#! GeneratedfromCoal-FiredStationarySources(OntarioHydroMethod)are  $p" successfulexamplesfallingintothiscategory.Weparticipateatamoreadvisory  %\ # levelwhenD2203isdevelopingamethodforwhichEPAalreadyhasan %H!$ acceptablemethodwithourprincipalgoalbeingtoprovideinputsuchthatwewill &4"% beabletoacceptthemethodasanalternativetotheEPAmethodinfuture ' #& regulatoryactions.Forexample,ASTMD652200StandardTestMethodforthe ( $' Determinationof NitrogenOxides,CarbonMonoxide,andOxygen )$( ConcentrationsinEmissionsfromNaturalGasFiredReciprocatingEngines, *%) CombustionTurbines,BoilersandProcessHeatersUsingPortableAnalyzershas +&* beencitedasanalternativetoEPAMethod3AforoxygenandMethod10for l,'+ carbonmonoxidefromnaturalgasfiredunitsaspartofthecombustionturbine, X-(, internalcombustionengineandboilerandprocessheaterMACTsaswellasfor  Method3A,andMethods7Eand20(nitrogenoxides)intheNSPSsubpartGG  revision.XXXX (TerryHarrison919/5415233,JohnBosch919/5415583) #XXXX#` (#` (#