WPC+ S,(Xd#Fg+V,s5d_Yؑ] "0ă#MMϓzAh0v|i1" ,J3nߛJ (û&\7遏`oOWy_0 'EU. IYH>T*TSҾZdQFraL̴߉ 4LM蒿MD~*БEHp:يAZ}̵ZD{caũE5S_VF=>t#F$G'JH ǚi/PMY;|:Ӻ "&GBlS٣vcL٪=HB{me U> 1u 72V ^ w 4   m 0mc w7 0V f 0w 0} 0 0 0[ 0" 0 1auU@ 0~ 0D6 0zn 0 0 0y 0d 0L 01 0 0 0 0 0 0k 0D 0 0 0! 0" 0T# 05$ 0% 0% 0& 0' 0m( 0<)p* 0Nx* 0*+++++++++++++++++++++++++++++ B+HP LaserJet 6Pd,,,,,d,0(9 Z6Times New Roman RegularX($USUS.,\  `&Times New Roman\  `&Times New Roman3#37=CIQYag1.a.i.(1)(a)(i)1)a)i)md, B<,+003|xU(;3$2#  0  .3  0   m 'USUS.,  _eXXFebruary26,2002(.3$ !USUS.,  4(O;$0  2#  a  .3  0` (#(#(b$0  0` (#(#2#   .3  0 ` (#` (#(xir$0  0` (#(#0 ` (#` (#2#(  0  )3  0 (# (#($0  0` (#(#0 ` (#` (#0 (# (#2#(  a  )3  0h(#(#(F$0  0` (#(#0 ` (#` (#0 (# (#0h(#(#2#(   )3  0h(#h(#($0  0` (#(#0 ` (#` (#0 (# (#0h(#(#0h(#h(#2#  0  )3  0(#(#({$0  0` (#(#0 ` (#` (#0 (# (#0h(#(#0h(#h(#0(#(#2#  a  )3  0p(#(#xAGaeimquy}Bullet ListBullets ListTABLE A(9 Z(Times New Roman  ($USUS.,    1    _hLXXTheEPALeadRegionOfficesareRegionsIII,IV,V,VI,andIX#XXhLe#(.(3($ !USUS.,      0  (#$  0  2J+M 0_level1  X 2( ` hp x 223  ..  5+ ` hp x 5      e 2G+M 0_level2   /%` ` hp x /23  ..  5+ ` hp x 5  2D+M 0_level3   ," hp x ,23  ..  5+ ` hp x 5  2A+M 0_level4  ` ) hp x )23  ..  5+ ` hp x 5  2>+M 0_level5   &hhp x &23  ..  5+ ` hp x 5  2;+M 0_level6   #p x #23  ..  5+ ` hp x 5  28+M 0_level7  h  p x 23  ..  5+ ` hp x 5  25+M 0_level8   pp x 23  ..  5+ ` hp x 5  22+M 0_level9    x 23  ..  5+ ` hp x 5  2JM 0_levsl1  X 2( ` hp x 223  Ԁ  5+ ` hp x 5  2GM 0_levsl2   /%` ` hp x /23  Ԁ  5+ ` hp x 5  2DM 0_levsl3   ," hp x ,23  Ԁ  5+ ` hp x 5  2AM 0_levsl4  ` ) hp x )23  Ԁ  5+ ` hp x 5  2>M 0_levsl5   &hhp x &23  Ԁ  5+ ` hp x 5  2;M 0_levsl6   #p x #23  Ԁ  5+ ` hp x 5  28M 0_levsl7  h  p x 23  Ԁ  5+ ` hp x 5  25M 0_levsl8   pp x 23  Ԁ  5+ ` hp x 5  22M 0_levsl9    x 23  Ԁ  5+ ` hp x 5  2JM 0_levnl1  X 2( ` hp x 223   5+ ` hp x 5  2GM 0_levnl2   /%` ` hp x /23   5+ ` hp x 5  2DM 0_levnl3   ," hp x ,23   5+ ` hp x 5  2AM 0_levnl4  ` ) hp x )23   5+ ` hp x 5  2>M 0_levnl5   &hhp x &23   5+ ` hp x 5  2;M 0_levnl6   #p x #23   5+ ` hp x 5  28M 0_levnl7  h  p x 23   5+ ` hp x 5  25M 0_levnl8   pp x 23   5+ ` hp x 5  [http://www.epa.gov/ttn/chief/emch/spatial/index.html].(O$22M 0_levnl9    x 23   5+ ` hp x 5    d !USUS.,  _   "O!h8XXdd8RegionalPlanningOrganizations  ( @  FourthYearPolicy,OrganizationalandTechnicalGuidance     (Ax3Congresshasencouragedthetrendoverthelastdecadefortheregionalizationofairquality  programsbyrecognizingtheneedforregionalactions,includingprogramssuchasAcidRain,   theGrandCanyonVisibilityTransportCommission(GCVTC),theOzoneTransport   Commission(OTC)andnowbytheestablishmentandfundingofRegionalPlanning   Organizations(RPOs).Thisisashiftinthetraditionalapproachtoairqualitymanagementbutit  t isnecessaryforatleastthreereasons:  `   "3"  3j2A3  0 `   Manyoftheremainingairqualityproblemsarenotlimitedbystateortribal `8  boundaries.Pointsourceproblemsarebeingovershadowedbybroaderairshed L$  problemsthatarebestaddressedbyregionalsolutions.3j݌8 ` (#` (# Ќ      "3"  332A3  0 `   Resourcesarescarceandmustbeeffectivelymanagedtoavoidduplicationbythe   manyseparatestateandtribalprogramspotentiallydoingmuchofthesamework.    33`݌ ` (#` (# Ќ    "3"  32A3  0 `   Someoftheregionalplanningdomainsaretoosmalltoadequatelyaddressthe  problems.RPOswillneedtoworktogethertofindcreativesolutionstothese  broadairqualityissues.3݌` (#` (# Ќ  TheregionalplanningeffortpresentsmanychallengestotheRPOsregardinghowtheywill \ functionasindividualRPOsandhowtheywillworktogether.Someofthesechallengesare: pH "3"    38 2A3  0 `   Statesandtribesworkingeffectivelytogetherinregionalorganizations.RPOs H  havemadeconsiderableprogressbutcapacitybuildingandrepresentationwill 4  continuetobeworkinprogress.38 q ݌ ` (#` (# Ќ  "3"    3 2A3  0 `   RecognizingandaddressingthelongtimeframeforimplementingtheRegional  Hazeruleasstateswillhavemultiplechangesofadministration throughoutthe   process. TheRPOswillneedtoaddresshowtoensureregionalplanningis ! supportedinthecontextofpoliticalchange.3  ݌"` (#` (# Ќ  "3"    32A3  0 `   TheRPOswillhaveprimaryresponsibilitiesinsettingtheirdirection.EPAmust $l! allowtheRPOstoworkontheiruniqueproblems,provideassistancewhenits %X" requestedbutunderstandthateachRPOsissuesareuniqueandwillrequireunique l&D # regionalsolutions.3A݌X'0!$` (#` (# Ќ  TheWRAPhashadaheadstartinthewestandisonemodelfordoingthiskindofwork,butnot 0)#& theonlyone.Statesandtribeswillbepartnersinthisprocessandtheprocesswillbeopentoall *#' partiesinvolvedandinterested,buttherewillnotbea onesizefitsalltemplatefortheregional +$( planningorganizations.Followingarethekeyelementsandpointsofemphasiswhichneedtobe +%) addressedtomeetthesechallenges anddevelopeffectiveworkplans. (  EPAsRole     TheEPARegionalOffice #  1      ׀willserveastheprimaryresourcefortheirrespectiveRPO.X'XXXԀ   OAQPSwillprovidenationalpolicyandtechnicaldirectionwhiletheleadRegionalOfficeswill   workdirectlywiththeRPOs.     Funding    0  EPAwillcontinuetorequestfundingforthiseffortinAgencybudgetrequests.Funding p  willbeallocatedeachyearonaneedsbasissoan_RPO_Ԁshouldnotassumelevelfunding `  fromyeartoyear.LeadRegiongrantsofficeswilladministereachRPOgrant.OAQPS xP  will#XXXX'/#managetheSouthernGovernorsAssociationgrantandprovidecopiesofquarterly h@  reportsandanyresultingreportstotheleadRegionalOfficesandRPOdirectors.OAQPS h@  willdevelopguidancefortheRPOgrants.X'XXXԀEPAwillfundnationalsupportforinterRPO T,  tribalactivitiesbutwillexpectRPOstocontinuetheirsupportfortheirowntribess T, participation.D(#(#      Policy  $ 0  OAQPSwillprovidepolicydirectionand#XXXX'#Ԁservetoresolvemajorissues.LeadRegions  willactasaninterfacebetweenOAQPSandtheRPOs.LeadRegionswillworkwiththe  RPOstoidentifyissuesandproviderecommendationstoOAQPSforresolvingtheissues.(#(#    Technical   0  OAQPSwillprovidetechnicalguidance,data,tools,andtraining.LeadRegionswill  provide handsontechnicalassistanceandguidancetoRPOsandwillassistRPOsand  theirtechnicalcommitteesintheapplicationofthesetools.EPA/ORDhasestablisheda t cooperativeagreementwith_MCNC_ԀtosetuptheModels3CommunityModelingand ` AnalysisSystem(_CMAS_)asacenterfortechnologytransferandsupportofModels3to t L theairqualitycommunity.Annualfundingover4to5yearsfromORD,OAQPS,and `!8 _OEI_Ԁisplannedatalevelof$200K$250Kperyear.Initialactivities(first1to2years) L"$ areexpectedtoaddressmodelingtools,datasets,trainingandusersupport.SeveralState 8# Agenciesandregionalairqualityplanningorganizationsarebeingrequestedtoprovide $$  representativesforaExternalAdvisoryCommittee.%!(#(# 0  DeliveryofIMPROVEdataforcalendaryears2000and2001isexpectedintheSpringof & # 2002.The20002001datadeliveryhasbeendelayedprimarilybecauseofcompeting '!$ resourceswithintheprincipalcontractor,UCDavis.UCDavishasbeeninvolvedinthe ("% expansionoftheIMPROVEnetworkfrom30to110sites.Thiseffortinvolvesthe )#& !h ! !  building,testing,anddeploymentofnewsamplersdesignedtoensureconsistentdata ( throughoutthenation.Withsomuchadditionalequipmentcomingonline,UCDavis  neededmoretimefordatadeliveryinordertomaintainhighqualitydata.Thenew  deliverydateforcalendaryear2000dataisApril2002.Dataforcalendaryear2001will  beavailableinmidsummer2002.Previously,theprojecteddatefordeliveryofdatafor   bothcalendaryears2000and2001wassummer2002.Inthefuture,IMPROVEdatawill   bedeliveredwithin6monthsofdateofcollection.Thisfuturedatadeliveryschedule   willalsoincludepreliminaryreviewbytheStatestoensureahigherqualitydatasetto  t supportregionalhazeanalyses. `(#(# X'XXX   GrantManagement  `8  0  TheleadEPARegionsareresponsibleformanagingtheRPOgrantsandfor#XXXX'##daytoday P(  interactionwiththeRPOs.ThisincludesactivelycommunicatingEPApolicytothe P(  RPOsandactiveparticipationinRPOtechnicalworkgroups.X'XXX< (#(#   Meetings    0  OAQPSwillfacilitatenationalmeetingsoftheRPOsandEPAatleasttwiceayearto  helpestablishconsistency.Inadditiontothesemeetings,OAQPSwillmeetwithRPOs  andleadRegionsatothertimesasneeded.#XXXX'_%#ԀEPAwillassistinestablishingawebsiteand  schedulingotherpublicmeetings.(#(#  _RPO_ԀRole     TheRPOsshouldcontinuetofocusontheemergingtechnicalissuesleadingto2004and p 2008milestonesasdiscussedlaterinthisdocumentwhilecompletinganyfinalorganizational \ work. pH     "3"  3(2A3  0 `   Nowthattheorganizationalworkamongthestatesandtribesislargelycomplete, H  theRPOsshouldthinkabouttheirapproachtoanalyzingthecomplicatedproblem 4  ofregionalhaze.Thiscanbeaccomplishedbydefiningwhatdataandanalyses  ! areneeded.Planningforregionalhazewillbealongprocess.Continued  " leadershipbytheRPOsandthestateandtribalpartnersalongwithacommitment " oftechnicalresourcesandskillsisveryimportant.3()݌# ` (#` (# Ќ  "3"    3+2A3  0 `   RPOswillhavetobetechnicalleaders.Theyfacethemajorchallengeof %" integratingworkonotherpollutants,suchasozoneandfineparticle,which & # contributetotheregionalhazeproblemintotheregionalhazeplanningprocess. 'l!$ Theyneedtoaccomplishthisinsuchawaythatregionalhazeisnotovertaken (X"% anddominatedbytheotherpollutants.3++݌l)D#&` (#` (# Ќ      "3"  3X.2A3  0 `   RPOsshouldcontinuebuildingtheirinternalrelationshipswiththeirstatesand D+%( tribes,aswellastheirrelationshipswiththeFederallandmanagers,theother 0,&) RPOsandEPA.Inparticular,theRPOsshouldworkcloselytogetherwiththe -&* "O "e "  otherRPOsoncommontechnicalissues.EPAwillnotprescribeaformal  arrangementtoachieveconsistency,buttheRPOsneedtodevelopaworkable  mechanismtoachieveconsistencysincebothresourcesandtimearelimited.3X..݌` (#` (# Ќ    X'XXXFederalLandManagers(_FLM_s)Role     TheFLMswillcoordinateparticipationinRPOactivitiestoprovidetheperspectiveof m  theclassImanagers. ]   "3 "    322A3  0 `   Policy: FLMswillworkaspartnerswiththeRPOsondevelopmentofkeyair =`  managementgoalsforvisibilityprotection.KeyissuesfortheFLMswillinclude -P  prescribedfirepolicy,settingofreasonableprogressvisibilityimprovementgoals, @  andpreservingtheabilitytodealwithlocalor hotspotairqualityissues.322݌ 0 ` (#` (# Ќ  "3 "    352A3  0 `   Technical: TheFLMshaveconsiderableairqualitymonitoringdataandexpertise   inassessingthosedata.FLMswillworkwiththeRPOsandEPAinbuildinga  technicalunderstandingoftheimpactsseenatClassIareasanddetermining  naturalconditions. 35@5݌` (#` (# Ќ  #XXXX'1#FourthYearOrganizationalandOutreachStrategy   Duringthefirstyear,theRPOsconcentratedonorganizationalissues.Theyincorporatedthe u organizations,adoptedbylaws,reachedouttobothstatesandtribes,begantoestablishworking a groups,learnedaboutregionalhazeandtheregionalhazerule,establishedworkingrelationships Mp withtheFederallandmanagers,startedtoinformstateenvironmentalcommissionersaboutthe 9\ process,andestablishedworkingrelationshipswiththeotherRPOs.Duringthesecondandthird %H years,theRPOsmadeatransitionintobuildingafoundationfortheirtechnicalwork,making 4 assessmentsoftheirregionalhazeproblemsanddataneeds.   The_RPOs_Ԁhavenowsubstantiallycompletedtheorganizationalphase.Duringthisfourthyearof   worktheRPOsshouldworkwithtribalandstatemembersto: ! "3 "    3j;2A3  0 `   IdentifykeystateX'XXXpolicymakers#XXXX';#X'XXX,including#XXXX'K<#Commissioners,Governors,state #  legislators,mayors,AttorneysGeneral,andothers,andengagethemina $! discussionoftheproblemandsolicittheirperspectivesonpolicyissuesand %" concerns.Identifytheirquestionsandsolicittheirinputonhowtomaintainthis q& # dialogueoveralongtimeschedule.Establishpolicyworkingrelationshipssothat ]'!$ theyareknowledgeableabouttheprocess.3j;;݌I(l"%` (#` (# Ќ  "3 "    3>2A3  0 `   Continuetobuildandsupporttribalcapacity,technicalefforts,trainingandtravel !*D$' toregionalandnationalmeetingsatalevelconsideredbythemembertribesand  +0%( theRPOtomeettheneedsfortribalparticipationineachRPO.EPA +&) acknowledgesthatthetribalstaterelationshipineachRPOrepresentsaunique ,'* situation.EPArequestsaspartoftheRPOsgrantapplicationajustificationofthe -'+ levelofRPOsupportprovidedtothestateandtribalmembershipoftheRPO.  Forexample,sometribalmembersmightneedsupportindevelopingemissions  inventoriesorestablishingmonitorsthatsupporttheRegionalHazeprogram.3>?݌` (#` (# Ќ    X'XXX"3 "    3B2A3  0 `   Continueto#XXXX'B#ԀbuildanetworkwithintheX'XXXԀRPOamongthestateandtribalpartners,   #XXXX'C#gettheirinput,andnurturelongtermrelationshipsatthepoliticallevel.3BB݌ ` (#` (# Ќ  "3"    3D2A3  0 `   TheFederalLandManagers(FLMs)haveauniqueparticipatoryroleinthis i  process.TheyarethestewardsoftheClassIareasbuttheyarealsopotential U x sourcesofdataandexpertise RPOsshouldutilize .3DD݌Ad ` (#` (# Ќ  "3"    3gF2A3  0 `   RPOsshouldcontinuetoimplementtheirplansforstakeholderparticipationin <  technicalworkgroups ,includingencouragingworkgroupmembershipand (  participationbytheacademicandenvironmentalcommunities.3gFF݌ ` (#` (# Ќ     ` "3"    3CH2A3  0 `   TheRPOsshouldhaveatransparentprocessfortechnicalworkandissue   resolution.Documentsshouldbeeasilyavailabletointerestedparties.Internet  useand_websites_Ԁshouldbeencouraged.AllRPOmeetingsshouldbeopentoany  interestedgovernmentparticipant!state,tribal,Federallandmanager,EPA.  Technicalworkgroupmeetingsshouldincludealloftheaboveaswellas y representativesfromtheacademic,environmentalandindustrialcommunities. e However,RPOsshouldlimitworkgroupmembershiptoactiveworking Qt members. 3CH|H݌=`` (#` (# Ќ  Beyond2002:X'XXX 8 "3"    3L2A3  0 `   Continuetoidentifylinkagestootherprograms,suchasPMfineandozone.  RPOswithfewerClassIareasparticularlyshouldemphasizethelinkages  betweenregionalhazeandotherpollutantsandtourbanvisibility.3LUL݌` (#` (# Ќ  "3"    3M2A3  0 `   Continuethedialoguewithstatepolicymakers.Begintoaddresspolicyconcerns ! #XXXX'K#X'XXXԀandquestionsregardingtheneedforregionalactiontoaddressregionalhaze " problems.#XXXX'N#3MN݌# ` (#` (# Ќ  "3"    3O2A3  0 `   Buildconsensustowardthedevelopmentofthecontributionsassessmentandthe m%" programmaticimplicationsofenforceablestatecommitmentsinordertodevelop Y&| # andsubmitaregionalstrategy.3OP݌E'h!$` (#` (# Ќ  FourthYearProgramGuidance   *,$' TheRegionalHazeRuleprovidesaregionalplanningoptioninsection308(c)whichenablesthe +&) StatestocoordinatethesubmissionofregionalhazeSIPsfrommultistateregionsin2008.It ,&* alsorequiresStatesthatchoosetofollowtheregionalplanningoptioninsection308(c)tosubmit -'+ acommittalSIPwithin1yearofthedateofthefirstdesignationofanytypeofareaforPM2.5  (attainment,nonattainment,orunclassifiable).ThePM2.5designationscanoccuronarolling  schedulebeginningin2004andcontinuingtonolaterthan12/31/2005(perTEA21).  Accordingly,thecommittalSIPscouldbedueassoonas2004oraslateas2006.    ThekeyelementsofacommittalSIPare: y   (Axx"3"     ` 3U2A3  0   Adescriptionofregionalplanningprocess3UU݌Q t (# (# Ќ  "3"     ` 3V2A3  0   Ademonstrationofongoingparticipationinaregionalplanningprocess3VV݌= ` (# (# Ќ  "3"     ` 3W2A3  0   AshowingthatemissionsfromtheStatecontributetoimpairmentinclass )L  IareasoutsidetheState3WW݌8  (# (# Ќ  "3"     ` 3X2A3  0   AlistofBARTeligiblesourcesintheState3X7Y݌$  (# (# Ќ  "3"     ` 3Y2A3  0   AbindingcommitmenttosubmitacontrolstrategySIPnolaterthan20083Y1Z݌  (# (# Ќ  InreviewingthegeneralscheduleleadingtosubmissionofcontrolstrategySIPsin2008,EPA   believesthatby2004,theStatesandRPOsshouldcompletetheworkneededforthecommittal   SIP.TheRPOsshouldthenturntheireffortstodevelopmentofclassIareaprogressgoalsand  associatedcontrolstrategiesneededtomeetthesegoals. TheRPOsandStatescanwork  togethertodevelopclassIareagoalsandregionalstrategiesinthe20046timeframe.States u willthenhavethe20062008periodtodevelopStatespecificregulationsimplementingthe a regionalrecommendations,andtoconductanypublicand/oradministrativereviewprocesses Mp beforesubmissionoftheirregionalhazeSIPtoEPA. 9\ Thus,2004emergesasanimportantyearintheregionalplanningprocess.Forthereasons 4 outlinedabove,bytheendofFY2004Statesshould1)completetheanalysesneededfortheir   contributionassessmentand2)providetheleadRegionsaprogressreportonactivitiesunderway   inpreparationfortheregionalmodeling,classIareagoalsettingprocess,andstrategy  developmentprocess.    Specificstepsaresuggestedbelowinthetechnicalguidancesectiontoreachthesetwogoals.In   general,theseincludepreliminaryanalysesforcontributionsdemonstrations,preparationfor ! regionalmodelingandemissionsinventoriesin20022004,developmentofcontrolstrategiesand u" controlstrategymodelingin20042006,andregulationdevelopmentandplansubmissionby a#  2008.However,eachRPOssituationisuniqueandtheyandtheirleadEPARegionshould M$p! discusstheirparticularsituation. 9%\"  Themidpointofthe2008SIPprocessis2004,andisthepointwheretheemphasisshiftsfrom '4!$ dataanalysistoactualpreparationandanalysisofcontrolstrategyoptions.Therefore,EPA ' "% believesthatsubmissionofacontributionsassessmentin2004willbeanimportantmechanism ( #& formakingthatchange. )#' EPAdoesnotbelievethatthecontributionassessmentshouldbeahighhurdle.Thecontribution +%) assessmentdoesnotneedtoidentifyspecificcontributionsbutitshouldincludeadditionaldata ,&* analysesbeyondthe1996analysessupportingtheregionalhazerule.Regionalmodelingisnot -'+ necessarilyneededbuttheanalysisshouldbecredibleenoughforstatedecisionmakerstomake  commitmentstowardstheirSIPs.WorkhasalreadybegunbytheinterRPODataAnalysis/  MonitoringGrouptofurtherexploreusefulanalysestomeetthecontributionassessment  requirement.  @*Thistechnicalguidanceismeanttoprovide directionforthenextthreeyearsofRPOworkto y  reachthe2004targetdateforacontributionassessment.Thisguidancediscussesthestructure e  oftheworkplans,EPAsrole,theRPOsrole,andEPAsassessmentoftheorganizationaland Q t technicalmakeupoftheupcomingworkplans. = `    ` WorkPlans  8  Initially,EPAaskedforadetailedfirstyearworkplan,similartoanyworkplanforanEPA $  grant.However,becausethiswasonlythefirststepofamultiyearproject,EPAasked each   RPOtoalsoincludetheirvisionofthedirectionfortheplanningprocess,howtheywilldevelop   partnershipsandjointlydeterminethisdirection,howtheywillassessdataneeds,whattoolsthey   willneed,andhowtheywillworkwithotherRPOs.   Thedetailedworkplansubmittedaspartofthefourthyeargrantapplicationshouldbecoupled  withanupdateddescriptionofwhatisanticipatedtobethegeneralplanforseveralyears.A u rolling5yearworkplan,withanannualupdatesothateachyearsgrantworkplanisgenerated a atthattimeisonesuggestedmodel.Thismodelwouldallowforchangesthatarelikelytooccur Mp foraprogramwithsuchalongtimeframe. 9\ Aswith any grant,theremustbeadetaileddescriptionofthecurrentfunding!workproducts, 4 dates,andmilestones.EPArealizesthatthe visionfortheoutyearsissubjecttochangebut   theAgencyneedstoseeanindicationoftheRPOscourseofaction.Likewise,EPAcanonlybe   confidentabouttheavailabilityoftechnicaltoolsforthenext1or2years.EPAwillprovide  annual(ormorefrequent)assessmentsoftheavailabilityoftechnicaltoolsandguidanceinorder  toassisttheRPOswiththeirplanningprocess.Aspartofthisdocument,EPAisdescribingthe  kindsoftechnicalworkitbelievesisnecessarytoreachthe2004and2008goals.    TechnicalGuidance  q" Theshorttermtechnicalmilestonesshouldinclude: I$l!   "3"  3Mq2A3  0 `   Analyzeexistingdataandinformationtodevelopanunderstandingoftheregional !&D # hazeproblemspecifictothatRPO.IfanRPOhasalreadydevelopedan  '0!$ understandingoftheregionalhazeprobleminitsarea,thenitshouldrefinethat '"% understandingwithreasonablyavailabledata/information.3Mqzq݌(#&` (#` (# Ќ  "3"    3es2A3  0 `   Characterizetheairqualityassociatedwiththeextentofthevisibilityimpairment *$( intheregion.3ess݌+%)` (#` (# Ќ  "3"    3t2A3  0 `   Determineabaseyear.EPArecognizesthattherearemultipleaspectsto -'+ determiningabaseyearandthatitisacollectiveemissions,monitoring,data  analysis,andmodelingissue.Withrespecttoemissionsinventories,theRPO  shouldconfirmthat2002willbetheyear,oroneoftheyears,forwhichemissions  inventoriesdevelopmentwillbeintensive.Otherwise,theRPOshouldexplain  whatyearwillbeusedandhowemissionsinventoriesforanotheryearwill   supportothertechnicalwork,contributionassessmentandcontrolstrategy y  development.3tt݌e ` (#` (# Ќ  "3"    3x2A3  0 `   UseofCanadian/Mexicaninventories,asapplicable.TheRPOscanexpectto = ` obtainthebestavailableinternationaldatabasesfromEPAand/orotherRPOs. )L  TheCanadianemissionsinventoryisupdatedin5yearintervals,soontobe2year 8  intervals.The1995baseyearemissionsinventoryhasbeenavailablesince $  August2001.New_NONROAD_ԀandMOBILE6informationshouldhavebeen   incorporatedintothisinventorybytheendofDecember2001.Thebaseyear2000   emissionsinventoryisexpectedtobeavailableintheFall2002.Emissiontrend   analysisfor19852000andforecastemissionchangesfrom2000to2020are   anticipatedtobecompletedbyFebruary2002.Otherexpectedinformation  includesspatial_disaggregation_Ԁandinventorydatafor2002for_NPRI_Ԁandcriteria  pollutants,andannualupdatesandtheconversionofBEIS3forCanada.The u issueonconfidentialityoffacilityinformation(latitude,longitude,stack a parameters)isexpectedtoberesolvedin2003.ChemicalspeciationofPMand Mp VOCisplannedtobeginin2003.WithrespecttoMexicanemissions,EPAplans 9\ toutilizeexistingeffortsfromtheWesternGovernors'Association(_WGA_),which %H hasenteredintoacontractwithEasternResearchGroup(ERG)fordevelopment 4 ofaMexicanEmissionInventory.ERGistargetinga1999baseyear,including   sevenvisibilityimpairingpollutants.Thisprojectwillbecompletedinphases.   First,acompleteinventoryforthesixnorthernMexicanstatestobecompletedby  March2003.Second,buildingcapacity.Andthird,preparingaseriesofmanuals  similarto_EIIP_ԀandAP42guidance.Atthistime,itisunknownwhenan  inventorymaybemadeavailabletoEPAforemissionsmodelingpurposes.3xTx݌ ` (#` (# Ќ  "3 "    3ׁ2A3  0 `   Improveemissionestimatesforonroadsources,offroadsources,ammonia,and q" biogenicsources.3ׁ݌]# ` (#` (# Ќ  0  0` (#(#OnroadsourcesEPArecommendstheuseofMOBILE6.I$l!` (#` (# Ѐ0  0` (#(#Roaddust!EPArecommendsusingexistingdataonsiltloadingsand 5%X" precipitation,andmakingbestestimate.!&D #` (#` (# 0  0` (#(#Offroadsources: '0!$` (#` (# 0  0` (#(#0 ` (#` (#0 (# (#_NONROAD_ԀCategories!ReviewnewestimatesfromtheJanuary '"% 2002versionfor_NONROAD_ԀandthefinalVersion2ofthe_NEI_. (#& Reviewstudiesof_nonroad_ԀactivitybyWI,_NESCAUM_,_TNRCC_, )#' and_CARB_Ԁandconsiderundertakingsimilarstudiesinotherareas. *$( Determinewhetherestimatesforrecreationalequipment,andlawn +%) andgardenequipmentinparticular,makesenseintermsof ,&* temporalandspatiallocations.-'+(#(# Ї0  0` (#(#0 ` (#` (#0 (# (#AC!UsenewFAA_EI_ԀSystemformajorairports.(#(# 0  0` (#(#0 ` (#` (#0 (# (#Locomotives!Useactivitydatawhereviolatingmonitorsarenear  highlocomotivedensity.The_NEI_Ԁshouldbereasonablefor  broaderscaleanalysis. (#(# 0  0` (#(#0 ` (#` (#0 (# (#CommercialMarineVessels!Considerportsnearviolating e  monitors.Q t(#(# 0  0` (#(#NH3!OutreachtoinRPOAgcommunity,otherStateagencies.Waitfornext )L  _NEI_Ԁversionand/orAP42development,basedonNASstudy,plusresultsofEPA 8  backwoodsmodelingofseasonalpatterns.Understandanyparticularodd $  situationswith_CAFO_Ԁoperations,forexample,areaswhereanimalsspendonly   theirearlyweeksorendoflivecycleweeks(whenlifetime_EF_swouldbe   inappropriate).Ifpossible,providespatialsurrogatesbasedonanimalpopulations   atindividualfarms.Usecropsasspatialsurrogatesforfertilizerapplications. ` (#` (# 0  0` (#(#_Biogenics_Ԁ!UseBEL33oroneoftheothernewermodels.Modelsarenotvery  differentifupdatedvegetationcoveragedataisused.u` (#` (# "3 "    32A3  0 `   Usesurrogatesfornewmodelingdomain!TheEPA'scurrentplanfor Mp developingspatialsurrogatedatawhichwillbeusedtosupportemissions 9\ modelingactivitiesfortheproposedRPO4kmnationaldomainisoutlinedinthe %H filepostedat[4< =O  5  http://www.epa.gov/ttn/chief/emch/spatial/index.html].6=Ourro  7al35݌4` (#` (# Ќ    "3 "  3ԑ2A3  0 `   X'XXXIdentifyadditionaldataneedsandtechnicalanalysistosupport#XXXX'G#X'XXXԀSIP/TIP   requirementsandtimelines.#XXXX'ɒ#X'XXX3ԑ݌ ` (#` (# Ќ  #XXXX'D#X'XXX  "3 "  32A3  0 `   EstablishtechnicalworkingrelationshipswithEPA,_FLM_,States,andTribesand  startreportingtechnicalprogressatECOSandTribalCouncillevelmeetings.3"݌ ` (#` (# Ќ  #XXXX'ʓ#X'XXX  "3 "  3ѕ2A3  0 `   #XXXX'#X'XXXDeveloptechnicaltrainingasneeded.3ѕ݌"` (#` (# Ќ  #XXXX'g#X'XXX  "3"  3=2A3  0 `   #XXXX'#X'XXXDevelopandbegininstitutionalizingpublicoutreachstrategiesfortechnical y$! issues. 3=j݌i%"` (#` (# Ќ  #XXXX'ӗ#X'XXXThelongrangeobjectiveistodevelop#XXXX'͘#X'XXXԀ_SIPs_/_TIPs_Ԁwhichmeetthetechnicalrequirementsofthe I'l!$ RegionalHazeRule.Throughoutthisprocess,RPOsshouldcommunicatewithFederal,State 9(\"% andTribalrepresentativesandwitheachotheraboutearlytechnicalassessments,newdata,and ))L#& doingthisworkwithintheframeworkofmultistateandmultitribalorganizations. *<$' #XXXX'6#Thetablebelowdescribesthetechnicalactivitiesessentialorhighlyusefulforimplementationof +&) theRegionalHazeRule.Ingeneral,theseactivitiessupportpreliminaryanalysesforcontribution ,'* demonstrations,preparationforregionalmodeling,emissionsinventories,andcontrolstrategy -'+ modeling.Thesearerecommendedactivitieswhichmaybeadaptedasnecessarytomeetthe  specificgoals/needsofeach_RPO_.    e*\ddd Xdd Xdd Xe(#e(#,dd ,dd ,jdd ,dd +     Ad    XX FY02 #XX ՞# Ad  ɞ   XXFY03#XX _# Ad  P   XXFY04#XX # (Ad   x(ן L XXMonitoring #XX Lk#    & %XXIdentifycoresitesessential   tosupportanalysesand   developstrategiesto   mitigatenetwork w   deficiencies. O r  &$% %&#& %%&$#Collaborateinanalyzing &  existingdata,including:   IMPROVEdata,trends,   speciation,seasonality,   _regionality_,geographicand c  temporaldatagaps,PM2.5 ;^  monitoringdata, 6 _Supersites_.  Developtechnicaltraining  asneeded. s Obtainvisibilityand #F speciationdataforurban  sites.  Enhancemonitoringfor  transport. [~ Collectairqualityand  . meteorologicaldata,   throughsupplemental  ! monitoringprojects,to !" addressdatagaps. k"# Compareresultsofspecial $>% studies. $&   %' Continuetocollaboratein  ( analyzing#XX %&Ϡ#& %XXԀexistingdata,  ) including:IMPROVE  * data,trends,speciation, w + seasonality,_regionality_, O r, geographicandtemporal 'J- datagaps,PM2.5 " . monitoringdata,  / _Supersites_.  0 Developtechnical _ 2 trainingasneeded. 7Z 3 Obtainvisibilitydatafor  5 urbansites&$% %&. 6 #& %%&$]#Collectairqualityand 8 meteorologicaldata, Y|9 throughsupplemental 1T: monitoringprojects,to  ,; addressdatagaps.#XX %&5#& %XX  < Continuetocollaborate  = inanalyzing#XX %&㕩#& %XXԀexisting  > data,including:  ? IMPROVEdata,trends, w @ speciation,seasonality, O rA _regionality_,geographic 'JB andtemporaldatagaps, " C PM2.5monitoring  D data,_Supersites_.  E Developtechnical _ G trainingasneeded. 7Z H Obtainvisibilitydata  J forurbansites&$% %&. K #& %%&$L#Collectairqualityand M meteorologicaldata, ]N throughsupplemental 5XO monitoringprojects,to  0P addressdatagaps.&$% %&#X'X%&$$# Q #XXXX'a# R x  DataAnalysis   d Begintoidentifydata  d needs,gaps,etc.  P Develop/implement  ( strategiestodealwith   gaps.   Createvalidateddata c  archivesaccessibletoall O  participants(data ;  warehouse). '  Definedatasufficiency. t  Initiateanalysisof $ speciationprofilesof  potentialcontributing  sourcecategoriessoasto s facilitateanalysesof _ sourcecontributions, K individuallyandby 7 category. # Determinedataformats. !\ X'XXX#XXXX'8#Establishproceduresfor $$ data/informationsharing. %  X'XXX#XXXX'ر#X'XXX#XXXX'#  ?* % Finishidentifyingdata  d& needs,gaps,etc.  P' Refine/implement  () strategiestodealwith  * gaps. + Createvalidateddata c- archivesaccessibleto O. allparticipants(data ;/ warehouse). ' 0 Defineandbegin t 2 ensuringdata ` 3 sufficiency. L 4 Refineanalysisof $6 speciationprofilesof 7 potentialcontributing 8 sourcecategoriessoas s9 tofacilitateanalysesof _: sourcecontributions, K; individuallyandby 7< category. #= Determinedataformats. !\@ X'XXX#XXXX'#Implementprocedures $$C fordata/information %D sharing. &E ̀  7* I Finishidentifying  dJ dataneeds,gaps,etc.  PK Implementstrategies  (M todealwithgaps.  N Refinevalidateddata cQ archivesaccessibleto OR allparticipants(data ;S warehouse). ' T Ensuredata t V sufficiencyand/or ` W documentgaps. L X Completeanalysisof $Z speciationprofilesof [ potentialcontributing \ sourcecategoriesso s] astofacilitate _^ analysesofsource K_ contributions, 7` individuallyandby #a category.  b Determinedata !\d formats. "He Implement $ g proceduresfor % h data/information &i sharing. o'j   G)l  DataAnalysis   d  (cont)   P Initializesource  d contributionassessments  P usingstatisticalanalysis  <  techniquestodetermine  ( (1)spatialandtemporal   distributionsofPM2.5,  (2)significantspecies w  componentsofthese c  PM2.5measurements, O  and(3)majorsource ;  categoriescontributingto '  thesespecies   components,whether t  primarypollutantsor `  precursorstosecondary L  pollutants. 8 Initiateassessments  usingdataanalysisand s trajectorymodeling _ techniquestodetermine K theextentandmagnitude 7 ofinterregionaltransport # between/amongRPOs.   Developtechnical !\ trainingasneeded. "H X'XXXAnalyzeexistingdatato $   refine problem %! definition#XXXX'#. &" Prepareroughdraftof O* & analysis,including ;+!' temporalandspatial ',"( analysis.  ԍ ',"( ̎X'XXX#XXXX'J#ԍ ',"( Ў__ԍ̎   -#) Refinesource  d* contribution  P+ assessmentsusing  <, statisticalanalysis  (- techniquestodetermine  . (1)spatialandtemporal / distributionsofPM2.5, w0 (2)significantspecies c1 componentsofthese O2 PM2.5measurements, ;3 and(3)majorsource ' 4 categoriescontributing  5 tothesespecies t 6 components,whether ` 7 primarypollutantsor L 8 precursorstosecondary 89 pollutants. $: Refineassessments < usingdataanalysisand s= trajectorymodeling _> techniquestodetermine K? theextentand 7@ magnitudeof #A interregionaltransport  B between/among_RPOs_X'XXX.  pC #XXXX'#Developtechnical "\E trainingasneeded. #HF Analyzeexistingdatato % H refineproblem & I definition. 'J Refinedraftofanalysis, G* M includingtemporaland 3+!N spatialanalysis. ,"O   ԍ̎    -#P Completesource  dQ contribution  PR assessmentsusing  <S statisticalanalysis  (T techniquesto  U determine(1)spatial V andtemporal wW distributionsof cX PM2.5,(2)significant OY speciescomponents ;Z ofthesePM2.5 ' [ measurements,and  \ (3)majorsource t ] categories ` ^ contributingtothese L _ speciescomponents, 8` whetherprimary $a pollutantsor b precursorsto c secondarypollutants. sd X'XXXComplete#XXXX'# Of assessmentsusing ?g dataanalysisand +h trajectorymodeling  i techniquesto !xj determinetheextent !dk andmagnitudeof "Pl interregional #<m transportamong $(n _RPOs_X'XXX.#XXXX'?# %o Developtechnical 'q trainingasneeded. w(r Finalizedraft O* t analysis,including ;+!u temporalandspatial ',"v analysis.  ԍ ',"u ̎____ԍFinalizedraft_ԍ -8' analysis,including .$( temporalandspatialanalysis._   -#w  Emissions  d Inventory   P Encourage/assistbetter  d statesubmissionsto  P 1999_NEI_Ԁversion3.  < Obtain1999_NEI_Ԁversion  2andassessneedednext w  stepsforuseinmodeling c  and/orimprovementof O  1999or2002 ;  inventories. '  Assesscompletenessof t  1999_NEI_Ԁfor `  commercial/industrial L  boilers,encouragestates 8 toimproveit. $ Understandimproved  sourcetestingmethods s forPM,e.g.,dilute _ samplingapproaches. K Ensurethatatleastone # RPOmemberstate   participatesfullyin  p _SAEWG_Ԁand_EIIP_,to !\ bringRPOperspective "H andencouragetribalreps #4 toattend. $   AssistincrossRPO &" compilationofplanned o'# emissionswork. [($ Becomefamiliarwith 3* & MOBILE6andother +!' emissionsmodelupdates.  ,"(   ԍ̎   ,l#) X'XXXObtain1999_NEI_  d* version3andassess  T+ nextstepsforusein  D, modelingand/or  4- improvementof1999  $. and2002inventories / Assesssuccesson 1 improvementof_NEI_Ԁfor o2 commercial/industrial _3 boilers. O 4 Encourage/supportat / 6 leastonestateagencyto  7 obtainhandson  8 experiencewithnew t9 PMsourcetesting d: method. T; Ensurethatatleastone 4= RPOmemberstate $> participatesfullyin ? _SAEWG_Ԁand_EIIP_#XXXX'}#X'XXX,to @ bringRPOperspective A andencouragetribal o B repstoattend. _!C Assistinmaintaining ?#E crossRPOcompilation /$F ofplannedemissions %G work.#XXXX'6#X'XXXԀ &H Becomefamiliarwith )D L anyemissionsmodels *4!M updates. +$"N #XXXX'#  ,#O X'XXXEncourage/assist  dP betterstate  TQ submissionsto2002  DR _NEI_Ԁversion2.  4S Obtain2002_NEI_ U version1,andbegin V useinairquality W modeling. oX Coordinateaplan O Z acrossmemberstates ? [ regardingsource / \ testingwithnewPM  ] method.  ^ Ensurethatatleast d` oneRPOmember Ta stateparticipatesfully Db in_SAEWG_Ԁand_EIIP_#XXXX'j#X'XXX, 4c tobringRPO $d perspectiveand e encourage#XXXX'#X'XXXԀTribalreps f toattend.#XXXX':#X'XXX g Assistinmaintaining _!i crossRPO O"j compilationof ?#k plannedemissions /$l work.#XXXX'#X'XXX %m Becomefamiliarwith )D r anyemissionsmodels *4!s updates. +$"t #XXXX'#X'XXX  ԍ̎#XXXX'`#   -$v  Emissions  d Inventory  P (cont.)   < Reviewareasource  d methodsusedbymember  P statesforcommonalities  < witheachother,with  ( _NEI_Ԁmethods,andwith   _EIIP_Ԁrecommendations.   Becomefamiliarwith c  anyfindingsfromthe O  NASstudyon_CAFO_ ;  emissions(findingsmay '  notbecompletewithin   FY2002). t  Reviewanddocument L  firereportingpractices 8 anddatasystemsamong $ memberstates,FLMs,  tribes,andprivate  burners. s UnderstandWRAP K productsandmethods 7 relatedtofireemissions # characterizationand   assessforrelevanceto  p owngeographicareaand !\ institutions. "H Compileinformationon $ ! existenceand % " effectivenessofopen &# burningprohibitionsby o'$ typeofburningand [(% county/state. G)& X'XXX #XXXX'w#  ,") X'XXXCoordinateamong  d* statesforgreater  T+ consistencyinarea  D, sourcemethods.#XXXX'#X'XXX  4- Asappropriate, / integrateNASfindings 0 intostateor_RPO_Ԅ 1 preparedcountylevel o2 emissionestimatesfor _3 _CAFOs_.#XXXX'#X'XXX O 4 Setgoalsfor / 6 improvementsinfire  7 datareportingandfor  8 coordinationamong t9 informationsystems. d: Create2002fire D< emissionsinventory 4= usingbestcurrently $> availableinformation, ? asspecificaspossible @ fortimeandlocation. A Refinetheopenburning _!C emissionsinventory.#XXXX' #X'XXX O"D #XXXX'b#X'XXXObtainemissionsdata ?#E neededtofillinother /$F identifiedgaps#XXXX'#X'XXX. %G PM_speciation_Ԁsupport &tI someprofiletestingfor 'dJ sourcetypesof (TK particularimportancein )D L theRPOarea,e.g., *4!M facilitateaccessto +$"N sourcesorprovide ,#O partialfunding.#XXXX'`#X'XXX  ԍ ,#O Ў#XXXX' #X'XXX#XXXX'p#X'XXX   -$P #XXXX'#X'XXXCoordinateadoption  dQ ofimprovements.  TR Refine2002fire  4T emissionsinventory#XXXX'#X'XXX.#XXXX'#X'XXX  $U Obtainemissionsdata W neededtofillinother X identifiedgaps.#XXXX'#X'XXX oY #XXXX'#X'XXXPMspeciation O [ supportsomeprofile ? \ testingforsource / ] typesofparticular  ^ importanceinthe  _ RPOarea,e.g., t` facilitateaccessto da sourcesorprovide Tb partialfunding#XXXX'5#X'XXX. Dc #XXXX'#X'XXXHelpadvocatewith $e counterpartsin f MexicoandCanada g forrefinementsto h international o i databases.#XXXX'#X'XXX _!j #XXXX'#X'XXXAssisttribeswith ?#l largepointsources /$m preparefor %n participationin2002 &o _NEI_#XXXX't#X'XXX. &tp Developtechnical (Tr trainingasneeded.#XXXX'r#  )D s  Emissions  d  Inventory  P (cont.)   < X'XXXDetermineother  d emissionsdata  T needs#XXXX'#X'XXX/gapsanddevelop  D plantofillinthegaps.#XXXX'#X'XXX  4 Developemissions   processingprotocols   withQA/QCplans.#XXXX'#X'XXX   PMspeciation#XXXX'S#X'XXXԀ _  understandcurrentEPA O  andotherdataand ?  practicesregarding#XXXX'#X'XXX /  speciationforPM_AQ_   modelingandsource   receptoranalysis. t PMspeciationwork T withotherRPOs,EPA, D and_EIIP_Ԁtoupdate 4 commonprofile $ resourcestomakeuseof  bestcurrentliteratureand  data,andtodevelopplan  fornewresearch/testing.#XXXX'v# o  Determinebaseyear.X'XXX K" #XXXX'#X'XXX#XXXX'I#X'XXXObtainbestavailable '$  internationaldatabases %! fromEPAand/orother &|" _RPOs_. &l# #XXXX'#X'XXXReviewhowwell1999 (L% _NEI_Ԁversion2covers )< & largerpointsourceson *,!' triballands#XXXX'#. +"(   ԍ̎   -$* X'XXXHelpadvocatewith  d+ counterpartsinMexico  T, andCanadafor  D- refinementsto  4. #XXXX'#X'XXXinternationaldatabases.#XXXX'#  $/ Assisttribeswithlarge 1 pointsourcesprepare w2 forparticipationin2002 c3 _NEI_X'XXX. O4 Becomefamiliarwith ? 6 EPAs_IPM_Ԁmodelfor / 7 futureemissionsfrom  8 electricpower  9 generation. t: #XXXX'#X'XXXDeveloptechnical T< trainingasneeded#XXXX'#X'XXX. D= CompleteBART $? analysis. @ #XXXX'b#  A Developregulations  dB forBARTcontrols.   PC  Emissions  d  Inventory  P (cont.)   < Assisttribeswithlarge  d pointsourcespreparefor  P participationin2002  < _NEI_.  ( Developtechnical   trainingasneeded. w  BegintoidentifyBART O  sources.  ;     d    d  Modeling   d Definemapprojections.  d Selectmodelingdomain.  < Initiatemodelevaluation   andtestingforfutureuse.  Identifymodel c  capabilitiesfornearterm O  testingandlongerterm ;  strategyruns. '  Developtechnical t  trainingasneeded. `  Implementadata 8 managementplanforthe $ acquisition,storage,and  transferofRPO  modelingdata. s Developaconceptual K modeloftheregional 7 hazeproblemwithinthe # _RPO_.   Developmeteorological !\ modelingprotocol,have "H theprotocolpeer #4  reviewed,andshare $  protocolwithother %   _RPOs_. &! Developdraft [(# meteorological, G)$ emissions,and 3* % photochemicalmodeling +!& protocols.  ,"'   ԍ̎_ԍ̎___ԍ̎   ,l#( Completemodel(s)  d) evaluationandtesting  P* forfutureuse.  <+ Testmodelcapabilities  - forneartermtesting . andlongertermstrategy w/ runs. c0 Developtechnical ;2 trainingasneededX'XXX. ' 3 #XXXX'0 #Finalizemodeling  5 protocols. x 6 Conductpeerreviewof P8 modelingprotocols. <9 Conductadditional ; refiningof < meteorologicalfields; w= developpreliminary c> meteorological O? modelingdataset. ;@ Evaluatetheadequacy !B ofthemeteorological !tC fields. "`D Develop/acquire $8F initial/boundary %$G conditiondata. &H Whereverpossible, s(J update_AQ_Ԁmodel(s)to _)K reflectlatestscience. K* L   -#O Begintosubmit  dP contribution  PQ assessment(or  <R portionsofit)based  (S ondecisionsabout  T contribution U assessments. wV Use weightof OX evidenceapproach ;Y forcommittal ' Z SIP/TIP.  [ Developtechnical ` ] trainingasneeded. L ^ XXXXCompletefully $` evaluated a meteorologicaldata b sets. sc Refinetheconceptual Ke modeloftheregional 7f hazeproblemwithin #g theRPO.  h Wheneverpossible, !\j update_AQ_Ԁmodel(s) "Hk toreflectlatest #4l science. $ m Completeadditional &o sensitivitymodeling o'p toidentifyongoing [(q uncertaintiesand G)r futuremodel 3* s refinement.#XXXXw# +!t XXXX#XXXXk#̀  ,l#v  Modeling  d (cont.)   P Assesstomodel  d episodicallyversus  P annually.  < Beginmeteorological   modelingforpotential  _AQ_Ԁmodelingperiods. w  Selectanddevelop O  proficiencyinan_AQ_ ;  modelingplatform(s)via '  "practice"modeling(e.g.,   episodesorpartialyear). t  Basedoneither L  conceptualmodelsor 8 preliminarysensitivity $ _AQ_Ԁmodeling,identify  importantmodeling  deficiencies/uncertainties s Focuseffortson K improvingtheunderlying 7 databasesormodel # algorithmsthatare   relevanttothese  p deficiencies/uncertainties !\ Workwith #4 monitoring/dataanalysis $   contactstoensure % ! sufficientdatais &" availabletoevaluate o'# modelperformance. [($    ,"( X'XXXCompletefinalmodel  d) selectionandinitial  T* modelbasecase  D+ simulation.#XXXX'#  4, Completeadditional . sensitivitymodelingto / focusadditional s0 emissions, _1 meteorological,and/or K2 modelcode 7 3 improvements. # 4 Begintoevaluateinitial p 6 basecase(against \ 7 conceptualmodeland H8 observations). 49 Refinereceptormodel  ; applications(e.g., < CMB8,_PMF_,_UNMIX_) o= toassesslocalscale [> impactsofsource G? categories,andwhere 3@ possible,toidentify  A regionalscaleimpacts  !B ofsecondarilyformed !lC _particulates_,aspartofa "XD  weightofevidence #DE analysisofsource $0F contributions. %G   'I Assesspotential  dJ strategiesfor_socio_Ԅ  PK economicfeasibility.  <L Completefully  N evaluatedbasecase O _AQ_Ԁsimulation. wP Initiatestrategy OR modeling,including ;S  acrosstheboard ' T sensitivitytests.  U Completereceptor ` W modelapplications L X (e.g.,CMB8,_PMF_, 8Y _UNMIX_)toassess $Z localscaleimpactsof [ sourcecategories,and \ wherepossible,to s] identifyregionalscale _^ impactsof K_ secondarilyformed 7` _particulates_,aspartof #a a weightof  b evidenceanalysisof  pc sourcecontributions. !\d & %XX  "He  Modeling  d  (cont.) #XX %&"#   < Selectmodel(s)and  d developmodelbasecase  P simulation(domain,time  < period,emissionsdata,  ( meteorologicaldata,   etc.).  Initiatereceptormodel c  applications(e.g., O  CMB8,_PMF_,_UNMIX_) ;  toassesslocalscale '  impactsofsource   categories,andwhere t  possible,toidentify `  regionalscaleimpactsof L  secondarilyformed 8 _particulates_,aspartofa $  weightofevidence  analysisofsource& %XX  #XX %&i&#contributions. s   o'#    d$   d%  '-#* Ї