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 _X(X      X89dd8@``# z$ XX(MeetingMinutes#X(X z$#   @??WRAPDustEmissionsJointForum $ @ooJuly2728,2004@Reno,Nevada    Attendees:  XX((XT$T$(MikeEdwards,Cochair0 Idaho_DEQ_    DuaneOno,Cochair0 GreatBasin_APCD_H    RichardCountess0 4 0 44CountessEnvironmental \   #X(XD#XX(ԀRob_Farber_0 4 0 44SouthernCaliforniaEdison    JeanPaul_Huys_0 4 0 44Nevada_BAQP_     LeeAlter0 4 0 44_WGA_X     Mel_Zeldin_0 4 0 44Consultantl    Lee_Gribovicz_0 4 0 44Wyoming_DEQ_0    _Jin_ԀXu0  040 44_DRI_    Alissa_Dickerson_0 4 0 44_DRI_h    #X(X#XX(SusanHardy0 4 0 44MAG(Utah),|    CathyArthur0 4 0 44MAG(Arizona)@    Bob_Gruenig_0 4 0 44_NTEC_   ToniRichards0 4 0 44BishopPaiuteTribex   JulietteJeanne0 4 0 44RenoSparksIndianColony<   KermitSnow0 4 0 44Ft._Belknap_ԀTribes,MTP   Gerard_Mansell_0 4 0 44ENVIRON#X(X#   XX(WilfredJ._Nabahe_0  LonePinePaiuteShoshone  T$ T$ Wayne_Leipold_0  0 T$T$PhelpsDodgeMiamiH  T$ T$ GailCooke0  0 T$T$NMED/_AQB_ \ T$ T$ Barbara_Trost_0  0 T$T$AK/DEC  T$ T$ Bruce_Friedl_0  0 T$T$AZ_DEQ_  T$ T$ Bob_Palzer_0  0 T$T$SierraClubX  T$ T$ TomMoore0  0 T$T$_WGA_/WRAPl  T$ T$ Cathy_Messerschmitt_0  _NTEC_Ԅ_TCC_0  T$ T$ KenHamilton0  0 T$T$WyomingFB  T$ T$ ChatCowherd0  0 T$T$MidwestResearchInstituteh  T$ T$ _Tamoke_ԀSmiley0  0 T$T$WalkerRiverPaiuteTribe,|  T$ T$ Roxanne_Ellingson_0  WalkerRiverPaiuteTribe@  T$ T$ Patrick_Gaffney_0  0 T$T$CAAirResourcesBoard! T$ T$ JimPaulus0  0 T$T$GreatBasin_APCD_x" T$ T$ David_Groeneveld_0  _HydroBio_<# T$ T$ _Hampden_Ԁ_Kuhns_0  0 T$T$_DRI_#X(X" # P$ T$ T$ 5T$T$Xc5 L$ @# MeetingSummary  8%  X(XXX(The#X(XX X(#WRAPDustEmissionsJointForum(_DEJF_) X(XXX(Ԁconvened#X(XX X(W#ԀattheAtlantisHotelinReno,Nevadaat9:00 `' AMJuly27thandmetthrough3:00PMofJuly28,2004.Asignupsheetwastakenofattendees.The L( purposeofthismeetingwastoheartechnicalpresentationsonnewdusttrackingandanalysis 8) methodologysuchassatelliteimagery,toreceiveinformationonthecurrentstateofsomedustresearch $* andtechnology,tohearreportsfromcontractorsonthestatusofprojectsthatthe_DEJF_Ԁiscurrently + undertaking,andtodiscussthedirectionthatthe_DEJF_Ԁwilltakein2005. , Thefivetasksthatarecurrentlybeingworkedonbythe_DEJF_Ԁare:  . X40  EstablishaCommonDefinitionofDust,withaNatural/AnthropogenicSplit\"0T$T$ 40  DevelopaHandbookandWebsiteResourceforCompilingContemporaryKnowledgeofFugitive H#1 Dust4$2T$T$ 40  ImproveEstimatesoftheFineFraction(PM2.5)ofDustEmissionFactors %p 3T$T$ 40  Examinethe20%WorstVisibilityDaysforFrequencyandMagnitudeofDustImpactsandTheir  &\!4 ProbableSourcesatWRAPClassIAreas&H"5T$T$ 40  RefinetheWRAPsWindblownDustModel&Producea2002EmissionInventory'4#6T$T$ Aninitialdraftofthe2005_DEJF_Ԁ_Workplan_Ԁ&BudgethadbeenproposedinJuneandreviewedbythe ) %8 WRAPPlanningTeamattheirJuly2021stMeeting.Inadditiontocompletingtheaboveplanned *%9 projects,the_DEJF_ԀhadrequestedfundingtomaintaintheFugitiveDustHandbook,holdaWorkshopon +&: FugitiveDustControlTechnology,andprepareaSampleDustImplementationPlanforRegionalHaze ,'; SIPs.ThePlanningTeamhadsuggestedthatthislastproject,theRHDustImplementationTemplate, l-(< wasaworthyidea,butwithatighter2005WRAPBudget,theteamhadsuggestedthatthisprojectcould X.)= bedeferreduntil2006,whencontrolstrategiesaregoingtobedevelopedforthe308and309SIPs.  Membersofthe_DEJF_Ԁwereconcernedwiththispotentialdelay,anddeterminedtopetitionthePlanning  Teamtorestoresomereasonableamountoffundingsuchthatthisprojectcouldmoveforwardin2005.  Itwasfeltthatotherprojects,suchastheDefinitionofDust,mightnotrequirethefullfinancing t anticipatedinthecurrentbudget.AndtheForumconcludedthatthePlanningTeamssympathetic ` response,alongsomefinancialjuggling,theRHDustImplementationTemplatecouldprobablymove L  forwardinthecomingyear. 8  OtherpresentationsincludedadescriptionoftheintensiveWindblownDustMonitoring&Modeling  ` thatistakingplaceatOwensLake,andareportonSatelliteImagerybeingusedforquantifying  L  compliancewithWindblownDustControlsrequiredbytheAirPollutionAgencies(vegetationcoveror  8  landflooding)atthisCalifornialocation. $  AndanotherpresentationonSatelliteImagerywasgiven;thisoneon"spectralanalysis"oferodibleland   beingusedinClarkCounty,NevadatoimprovetheFugitiveDustemissioninventoryaroundLasVegas.   _ThenparticipantsheardapresentationontheCaliforniaAirPollutionControlOfficersAssociation p (CAPCOA)perspectiveonrecentCaliforniaparticulatelegislation(SB700"AgricultureandAir \ Quality"&SB656"ReducePublicExposuretoParticulateEmissions")thatnowhasagreatereffecton H agriculturaloperationsinthestate. 4 AndarepresentativeoftheDesertResearchInstitutegaveapresentationonFugitiveDustResearch  \ goingforwardatDRIinvolving: H ̄0  PortableWindTunnelTesting T$T$ Є0  UnpavedRoadDustEmissionFactors T$T$ Є0  TRAKERMeasurements@LakeTahoeT$T$ Є0  NearFieldDepositionT$T$ ThefullAgendaandallpresentationsgivenatthismeetingarepostedontheWRAPWebsite,underthe l DustEmissionJointForum"PriorMeetings&Calls"page. X  A) xdE/" A 0"  @PP# MeetingDetails  #" @ H OverviewofDEJFGoals&ProgramTimeframes H % $ LeeAlterbeganthemeetingwithanoverviewofthehistoryoftheWRAP&howtheDEJFfitsintothat k'"& organization.Henotedthatthe1997establishmentofWRAPtracesitsoriginstotheGrandCanyon W(#' VisibilityTransportCommission(GCVTC),anorganizationestablishedbytheEPAin1990toaddress C)$( visibilityimpairmentbyregionalhazeproblemsintheFourCornersareaofthesouthwesternUnited /*%) States.InadditiontoregionalhazetheWRAPcanaddressanyothercommonairqualityissuesraised +k&* byWRAPmembers.TheWRAPiscomposedofthestatesoftheDakotas,Colorado&NewMexico ,W'+  andthosewestofthisline(seepresentationmap),alongwithalloftheIndianTribeslocatedwithinthis ,C(, westernhalfofthecountry.TheWRAPeffortisfundedbyEPAGrantmoney,historicallyabout$4MM  peryear,butloweredforthe2004Grant(2005spending)tojustover$3MM.   HedescribedsomeofthetypesofvisibilityanalysesthatarebeingundertakenbytheWRAP,showing t thetypesofpollutantsandsourcesofemissionsthataffectvisibilityinthewest(detailsinpresentation). ` Andhepresentedaslideshowingthescheduleofthetasksnecessarytoallowthestates/tribestodevelop L  regionalhazeSIPs/TIPsbythestatutorytimeframescontainedintheEPAsRegionalHazeRule 8  (statesdeadlineistheendof2007). $ t HenotedthattheDEJFprojectscurrentlybeingundertakeninclude:  L  ̄0  thedefinitionofdust(naturalvs.anthropogenic)$ T$T$ Є0  electronicfugitivedusthandbookdescribingemissions&controls T$T$ Є0  analysisofdustimpactsinambientmonitoring T$T$ Є0  completionofawindblowndustinventory T$T$ Є0  analysisofthesizedistributionofdust T$T$ For2005,theDEJFplansinclude: \ ̄0  maintainandupdatethefugitivedusthandbook4T$T$ Є0  enhancedambientdataanalysis pT$T$ Є0  sponsor&conductadustcontrolmeasuresworkshop \T$T$ Є0  sampledustcontroldemonstrationplanforSIPsHT$T$ Thereensuedadiscussionaboutdustcontrols,andtheirwassomecontentionthatcontrolsoffugitive   dustmaybecheaperpertonthancontrolsinotheremissionsectors,suchasstationarypointsources.   Butitwasalsopointedoutthattheentitiesresponsibleforfugitivedustsources(federallandmanagers,  states,tribes&localagencies)maynothavefundingforsuchcontrols,whilecommercialenterprises  responsibleforothersourcesectorsmaybeabletoadjustthepricestocoverthecostofcontrolsfrom  thosecommercialactivities.Itwasnotedthatsucheconomicadjustmentsdoaffectsomeventuresmore l thanothers,forcingchangetosocietalpracticesandhabits. X  @5 5 H UpdateonFugitiveDustHandbook&Website H 0"  RichardCountessistheconsultantwiththecontractforpreparingtheelectronicFugitiveDust  $\" handbook,andthisdatehegaveanupdateoftheprojectstatus.Hebeganbydescribingtheteam $H # membersfromCountessEnvironmental&MidwestResearchInstitute(MRI). %4!$ Theprojecttasksinclude: ' #& 10  DeveloptheProjectWorkplan)$(T$T$ 20  CompileFugitiveDustInformation*%)T$T$ 30  SummarizeFugitiveDustControlMethodOptionsl+&*T$T$ 40  DraftFugitiveDustHandbookX,'+T$T$ 50  CreateFugitiveDustWebsiteD-(,T$T$  0.)- HenotedthattheHandbookProjectWorkplanwassubmittedtotheForumandfinalizedthisSpring.  RegardingFugitiveDustInformation,henotedthattheyhaveconsiderableinformationonemissionsand  oncontroltechniques.HelistedtheFugitiveDustSourceCategories,andhenotedthatfugitivedust  fromagriculturalharvesting,andwindblowndustfromunpavedroadswerenotincluded.Therewas t discussionastowhyAgharvestingemissionswerentincludedanditwasfeltthatEPAhadgenerally ` excludedagricultureintheirAP42compilationsondust.Richardexplainedthathewaslookingfor L  feedbackfrommembersonwhetherthiscategoryshouldbepickedupintheproject.Heexplainedthat 8  thesourcesofinformationincludeEPAsAP42document,theCaliforniaARBandMRIsworkon $ t construction&demolition.  ` RegardingControlOptions,Richardfoundthatthereisalargeuncertaintyincosteffectivenessestimates  8  ($/tonPMreduced),thustheyareprogressingalongapathtodevelopastepbystepmethodologyfor $  calculatingcosteffectivenessusingindividualandlocalizedinputdataparameters.   RegardingtheDraftHandbook,thecontractorhassubmittedaDraftChapter,andaProposedTableof   ContentstotheForumSubCommittee.ThesedocumentshavebeencirculatedwithintheDEJF   membership,andcommentisbeingaccepted.HenotedthatthefullDraftisdueSeptember10th,with p theHandbookfinalizedbyNovember5ththisyear. \ RegardingtheWebsite,CountessEnvironmentalhasmetwiththeWRAPwebmaster,andtheyare 4 discussingtheadvantagesofusing"frames"ontheproject.TheWebsitedesignmapisdueAugust16th,  p buttheyplanondelayingthefinalWebsitedesignuntilallthedatacontentisfinalized.  \ HenotedthattheProjectSubcommitteewasmeetingattheendofthisday,todiscusstheproject 4 progress,andtoreceivefeedbackonthedraftdocumentsregardingemissionfactorsandcontroloptions.   @* * H WindblownDustModeling&InventoryStatus H  GerryMansellofENVIRONgaveapresentationoftheworkthatwasdoneinPhaseIoftheproject,and  theplanandstatusforPhaseII.RegardingPhaseI,ENVIRONfollowedthe"MacDougallMethod" p categorizingvacantlandsoiltypes,andapplyingwindtunnelgeneratedemissionfactorsbasedonhourly \  windvelocityandothermeteorologicaldata.PhaseIwascompletedattheendof2003,withaMarch H! 12,2004datedfinalreportacceptedbytheForum. 4"  ButtherewasconsiderablecriticismofhowaccuratelythisPhaseIwindtunnelbasedmethodology  $\" portrayedtheactual2002emissions,anditwasdecidedtolookatoptionsforimprovingthisdataunder $H # PhaseIIoftheproject.Gerrythenwentintodetailedexplanationofhowtheyareproceedingandwhat %4!$ technicaladjustmentstheyareincorporatingintotherevisedmodel.ENVIRONlookedatthreerecent & "% papersdescribingalternateapproachestocalculatingwindblowndust(Draxler,Zender&Shao).These ' #& alternatemodelsbasicallylookatlanduseandthenestimateavariablewindthresholdforinitialdust (#' generationbasedonsurfaceroughnesslength,andwhetherthesoilwasdisturbed.Previouslythe )$( methodologyhadusedafixedwindthresholdat20MPH,whichtendedtoignoresomeemissionswhich *%) canoccuratlowerwindspeeds.ENVIRONalsohadpreviouslyusedafixedassumptionofthe"lag l+&* time"betweenaprecipitationeventandtheresumptionofdustemissions.Buttherevisedmethodology X,'+ hasvariabletimingforresumptionofdustgeneration,againbasedonlandusecategories.Andsome D-(, adjustmentsfordustreservoircapacityareincorporatedbasedonlanduse.Therearealsoadjustments 0.)- basedonsoilcharacteristicsagricultural,soildisturbanceandotherparametersinthenewmodel.And  therewillbeamodelperformanceevaluationconductedbycomparingpredicteddustemissionswith  measuredIMPROVEdustextinction.  PhaseIIwilldevelopthepreferredWRAPdustmethodologyforhourlyresolveddustemissions,anda ` 2002griddedPMinventorywillbecompletedfortheWRAPregionalmodelingdomain.Theinventory L  willbeat12KMgridspacing,butwillhaveused36KMdataformeteorologicalparameters. 8  ENVIRONisplanningofcompletingthedraft2002inventorybytheendofJuly,andtheFinal02 $ t inventoryistargetforAugust20th.Theinitialmodelperformanceevaluationreportwillbepreparedin  ` August,andtherefinedmodelperformanceevaluationreportisplannedforOctober31stthisyear.  L  @oo H Updateonthe20%WorstDaysAnalysisforDustContribution H $  JinXuofDRIgaveapresentationonthestatusoftheanalysisofambientdataforthedustcontribution.   HenotedthatDRIwascategorizingvisibilityincidentsbasedonthescaleastranscontinental,regionalor   localevents.Theyveidentifiedaerosolsignaturesoftranscontinentaldustandidentifieddays/sites_that   havebeeninfluencedbyAsian/Africandustbasedonthesesignatures,alongwithothertechniquessuch t assatelliteimagesorbacktrajectorymodeling. ` Andhethengaveadetailedpresentationontechniqueandlimitationsofanalysesbasedondust 8 emission/windcorrelations(seepresentation)._DRI_Ԁislookingtoidentifyrelationshipsbetweenhigh $t winddaysandhighfugitivedustacrosstheIMPROVEnetworkintheWRAPregion.Questionsto ` answerinclude: L ̄0  CanweextractwindspeedthresholdsforhighwindeventsintheIMPROVEdataset?$T$T$ Є0  Whatwindmetricisappropriatetoflushouttheseevents?T$T$ Є0  Howcanthishelptodistinguishhighdusteventsthatarelocal,regional,orlargescale?T$T$ @h h H WindblownDustMonitoring&Modeling@OwensLake H  DuaneOnogaveapresentationonsomeofthemonitoringandmodelingthattheGreatBasinAir `  PollutionControlDistrictofCaliforniahasconductedonOwensLake.OwensLakeemitsabout80,000 L! _TPY_ԀofPM10,andbecauseofthissignificantemissionsource,theworkinthisarearepresentsthe 8"  "Cadillac"ofduststudiesinthecountry.Althoughhedidntfeelthatthismonitoringcouldbeusedto $#t! categorizetheentireWRAPregionatthishighlevelofdetail,hesuggestedthatotherjurisdictionscould $`" gainvaluableinsightfromtheworkdoneatOwensLake,andthatthemethodcouldbeappliedinother $L # areasinalesscomplexmanner. %8!$ Henotedthatthedustemission(PM10:g/cm2/hr)identificationmethodthattheyuseboilsdowntoa '#& constantmultipliedbythesandfluxat15centimetersheight.Theyhave135sandfluxmonitors(called (#' CoxSandCatchers),oneoneachsquarekilometerofthedrylakebed.TheyalsohavesixPM10_TEOM_ )$( monitorsand13tenmetermettowers.Withthisdensearrayofmonitoringequipment,theGreatBasin *%) _APCD_Ԁhasbeenabletospecificallytargethighlydefinedareasforemissioncontrolactivities,thus p+&* minimizingthenecessaryexpendituretoattainambientstandardsinthearea.Duanesaidthatsome \,'+ agenciesmaywanttotrymonitoringwindblowndustareaswithCoxSandCatchersasacheapway H-(, ($30each)toidentifywhichareasareeroding. 4.)- Ї&  @ H _CAPCOA_sPerspectiveonRecentCaliforniaPMLegislation H  Mel_Zeldin_ԀgaveapresentationontheCaliforniaAirPollutionControlOfficersAssociation(_CAPCOA_)  perspectiveonCaliforniaPMlegislation']affectingagriculture.Californiaformerlyexemptedagriculture x fromAirPollutionpermitrequirements,butlastyearthestatepassedtwobillstorevokethisexemption d andescapefederalsanctions.ThebillswereSB700"AgricultureandAirQuality"&SB656"Reduce P  PublicExposuretoParticulateEmissions". <  SB700hasthefollowingfeatures:  d ̄0  Defines"agriculturalsource"instatelaw; < T$T$ Є0  RemovesAgrestrictionforairpermits;( T$T$ Є0  EstablishesspecificpermittingrequirementsandexemptionsforAgsources; T$T$ Є0  RequiresAgemissioncontrolrequirementsinPM10nonattainmentareas; T$T$ Є0  Requirespermitsandmitigationfor"large"confinedanimalfacilities;and T$T$ Є0  Requires_CAPCOA_Ԁtoestablishaclearinghouseoninformationrelevanttoagricultureemissions   controltT$T$ AnAgsourceisoneusedforproductionofcrops,raisingoffowloranimalsthathasaCombined L AnimalFacility(CAF),hasinternalcombustionengines,orissubjecttoTitleVpermitting 8 requirements.A"large"CAFisyettobedefined,butmustbedefinedbyJuly05. $t ThepurposeofSB656istomakeprogresstowardtheattainmentofbothfederalandstateparticulate L matter(bothPM10&PM2.5)ambientairqualitystandards.Underthelaw,_CARB_Ԁmustdevelopand 8 adoptalistofmeasuresforreducingPMbyJanuary05.Then_CARB_ԀandtheCalifornia_APCD_smust $ adoptimplementationschedulesforcontrolsbyJuly05._CARB_ԀmustreportbacktotheLegislaturein  2009abouttheactionstaken,andthelaw"sunsets"in2011unlessspecificallyrenewed.  Thecontrollistsmustbebasedonthe"mostreadilyavailable,feasible,costeffectivemeasures"inplace  asofJanuary1,2004.Theymustconsidermeasuresapplicabletobothdirectlyemittedandprecursor p emissions. \  @  H SatelliteImagerytoImproveFugitiveDustEmissions H 4"  ChatCowherdofMRIgaveapresentationon"spectralanalysis"oferodiblelandinClarkCounty $`" aroundLasVegas.Theprojectwillusesatelliteimagerytoinventoryerodiblelandsaccordingto $L # categoriessuchas: %8!$ ̄0  Nativedesert(naturalstate)'#&T$T$ Є0  Disturbedvacantland(lossofsurfaceprotection)(#'T$T$ Є0  Stabilizedvacantland(restorationofsurfaceprotection))$(T$T$ Є0  Privateunpavedroads(dirtorgravel)*%)T$T$ TheselandscanbebrokendownintoWind_Erodibility_ԀGroups(_WEG_s)brokendownfromtheSoil \,'+ TextureTriangleas: H-(,  4.)- 1!SiltySand&Clay(_WEG_s4&5)  2!SandySilt(_WEG_s2&3)  3!Loam(_WEG_Ԁ4L)  4!Sand(_WEG_Ԁ1) t 5!Silt(_WEG_s6&7) ` MRIintendstobegintheprojectwithapilotstudytodevelopandverifypredictivealgorithms,andthey 8  willbalanceimageryresolutionagainstemissionintensityvariationtomaximizecosteffectiveness(see $ t presentationfordetail).  ` @H SatelliteImageryforQuantifyingCompliancewithWindblownDustControls H  8  David_Groeneveld_Ԁof_HydroBio_ԀRemoteSensinggaveanotherpresentationonusingsatelliteimagery,   thistimewithdatausedformeasuringcompliancewithwindblowndustcontrolsintheOwensLake   area.LosAngeleshasrequirementstocontroldustatOwensLakewithaminimumofeither50%   vegetationcoveror75%landfloodingThisprojectinvolvesusingthedifferencesinsatelliteimagesto   determinecompliancewiththesesurfacemoistureandvegetationcoverrequirements(seepresentation t fordetails). ` Davidmadethepointthatthetoolsforsatelliteremotesensinghaveimproveddramaticallyinthepast 8 fewyears,withmorepowerfulcomputersandmuchimprovedsoftware.Thereforeheconcludedthat $t remotesensinghasthepotentialforhighlyimprovedanalysisofdustgenerationandeffectivenessof ` controlprograms. L Ѐ@ H FugitiveDustResearchat_DRI_ H $ _Hampden_Ԁ_Kuhns_Ԁgaveapresentationonthevariousfugitivedustresearchprojectsgoingforwardat_DRI_.  Theseinclude:  ̄0  PortableWindTunnelTestingtT$T$ Є0  UnpavedRoadDustEmissionFactors` T$T$ Є0  _TRAKER_ԀMeasurements@LakeTahoeL!T$T$ Є0  NearFieldDeposition8" T$T$ @QQ<PortableWindTunnelTesting< $`" _Hampden_ԀdescribedtheWindTunnelequipmentthat_DRI_Ԁdevelopedandisusingtostudywinderosion, %8!$ andsomeoftheresultsfromtheirstudies.Theusea"PISwirl"devicetogeneratevaryingPM10 &$"% concentrations(seepresentationfordetails). '#& @  <UnpavedRoadDustEmissionFactors< )$( ЀAtFt.BlissinElPaso,Texas,_DRI_Ԁisconductingtestingofunpavedroaddustgeneration,using p+&* instrumentedtowersadjacenttotheroads(seepresentationfordetails).Theyhavereachedthe \,'+ followingconclusions: H-(,  4.)- Є0  EmissionfactorsaredependentonvehiclespeedandweightT$T$ Є0  EmissionpotentialsofunpavedroadsoilswererelativelyconstantinFt.BlissTXbasedon  _TRAKER_.T$T$ Є0  Needtodeterminehowemissionpotentialvariesinotherregions.tT$T$ Є0  Timesincelastrainfalliscorrelatedwithunpavedroademissionfactors`T$T$ @ <_TRAKER_ԀMeasurements@LakeTahoe< 8   T esting R eentrainedAerosol K inetic E missionsfrom R oads(_TRAKER_)involvesparticulatesampling  ` equipmentmountedonaChevyVantomeasureroaddustemissions.Particlesensorequipment  P  mountedonthevanincludesa5830_TSI_Ԁ_DustTrak_Ԁanda1.108GrimmParticleSizeAnalyzer,along  <  withaMagellan_GPS_Ԁlocator.Thevanisdrivenatvaryingspeedsandovervaryingroadconditionsto (  determine"realtime"unpavedroaddustemissionsfromthesechangingvehicularoperations(see   presentationfordetails).Theyhavereachedthefollowingconclusions:   ̄0  RoadDust_EF_sdropby7080%fromSpringtoSummer T$T$ Є0  CitiesroadsaredirtierthanhighspeedruralhighwaystT$T$ Є0  SomethingisdifferentbetweenCAandNVroadsthatcreatelessdust`T$T$ @==<TransportableFractionofDust< 8 Thebasicproblemisthattheemissioninventoryofdustsourcesappearstobetoohighcomparedwith ` whatparticulateisactuallymeasuredintheair.Twopossibleexplanationsofthediscrepancyare1)that L ourinventoryisinaccurate,or2)wearenotaccountingforremovalofdustnearthesource. 8 Toinvestigatetheproblem,onecanuseModeling,whichisinexpensiveandallowseasysimulationof  countlessenvironments.Thedisadvantageisthatitisdifficulttoknowifresultsareaccurate.The  alternativeistouseMeasurement,whichprovidesresultsbasedona"Real"data.Thedisadvantagehere  isthatitsexpensiveandlaborintensive.  _DRI_Ԁhasundertakenmeasurementstudiestoinvestigatenearfielddepositionfor_WESTAR_,and \  producedareportavailableonthatorganizationswebsite.Andtheyhavecomparedtheresultsagainst H! someofthemodeledresults(seepresentationfordetails).Theyfeelthatthenextroundofresearch 4"  shouldtargetadditionalfieldstudies,modelimprovementandincorporatemoreconsiderationof  #p! vegetationandlandscape.  $\" @ H PM2.5FineFractionofFugitiveDust H %4!$ ChatCowherdnotedthatheisintheprocessofdevelopingtheproposalforMRI,andislookingto '#& deliverthatproposalinAugust.Thecostsareexpectedtobesignificantlyhigherthanoriginally (#' estimated,nowintherangeof$125K. )$( IngeneraltheestimatedPM2.5fractionhasgonedownfromthepastnumbers,butthecurrent1525% p+&* rangeisstillconsideredhigh.Chatmentionedthatexpertsnowweresuggestingthatthefinefraction \,'+ shouldbeclosertoarangeof610%forvariousdustsources. H-(,  4.)- Therewasconcernoverthetimingofthisproject,anditwaspointedoutthatanyinformationgenerated  onthisquestionshouldbetransmittedtothe_RMC_Ԁearlyon2005toassurethatthedispersionmodeling  reflectedthemostcurrentinformation.Dr.Cowherdwasencouragedtogettheproposalcompletedas  soonaspossible.Therewasdiscussionaboutwherethesamplesshouldbetaken,anditwasconcluded t thatthescientificdiversityofnecessarysoilsshouldbematchedwiththosemembersoftheforumthat ` arewillingtotakeasample.Theproposalwillincludeadetailedprotocolonhowtotakeasample. L  @% % H "Natural"vsAnthropogenicDefinitionofDust H $ t Thedefinitionofdustiscomingoutthatanythingthatis"mechanicallyentrainedwillbeanthropogenic.  P  Forwindblowndust,therehastobesomefractionthatanthropogenicis"over&above"whatwould  <  occuranyway. (  Therewasdiscussionaboutwhatfundingisnecessarytobringthedraftdefinitiontofinalization.And   Lee_Gribovicz_Ԁpointedoutthatnotonlydoesthedefinitionhavetobefinalized,butthenwehaveto   implementthisdefinitionwiththeemissioninventoriestoquantifythenatural/anthropogenicsplit.   Therewas$70Kdedicatedtothisprojectinthepreviousbudget,buttherewassomesensethatthistask t wonttakethatmuchfunding.LeeG.wasconcernedthatitwecantreallyeliminatefundingtogetthe ` workdone,asitisahighpriorityforthe308and309SIPs.AcallwassetforAugust13th(11PM L Mountain)tofurtherdiscussthisproject. 8 @SSH _DEJF_ԀGoals&Program_Timeframes_Ԁasrelatedto2005Budget&_Workplan_ H ` LeeG.explainedthatatthebeginningofthePlanningTeamMeeting,initialForum/Workgroupbudget < requestsexceededavailablefundingbyoveramilliondollars.All_workplan_Ԁproposalswerelookedat ( closely,andMikeEdwardsexplainedthatoneprojectthatdidntmakeitthroughthePlanningTeam  meetingwasthe$125KforasampleRHImplementationplanfordust.ThePlanningTeamhad  suggestedthatthisprojectcouldbedeferreduntil2006,whencontrolstrategiesaregoingtobe  developedforthe308and309SIPs.  LeeAltersuggestedthatthisprojectcouldbeusedtointegrateallthedustelements,andtherewas `  generalagreementthatthiswasdesirablegoal.ItwaspointedoutthatintheWRAP,theForumis L! recognizedasthecenterofexpertise.Itwassuggestedthatifthe_DEJF_ԀMembershipfeltstronglythat 8"  theyneededsomeadditionalfunding,theycouldmakethatrequesttothePlanningTeam,andsome $#t! reasonableamountmightberestored(probablynotthefull$125K,though). $`" @"H ActionItems H %8!$ ActionItemsidentifiedinclude: &("% ̄0  RichardCountesswillsetoutthehandbookprojectactions($'T$T$ Є0  LeeAlterwillsendoutthedefinitionofdust)$(T$T$ Є0  the_DEJF_ԀCoChairswillsendouttheMRIfinefractionproposal*%)T$T$ Є0  NewMexicoislookingatinkindhelpontheSIPimplementationdustcontrolanalysist+&*T$T$ Є0  the_DEJF_ԀCoChairswillsendoutarevised2005_workplan_ԀandtheForumwillreviewthisupdateon `,'+ anAugust13thcall.L-(,T$T$ Є0  the_DEJF_ԀCoChairswillsubmitthefinal2005_workplan_ԀtothePlanningTeambyAugust20th8.)-T$T$ Ї@"H NextMeeting H  ItwassuggestedthatsometimeinNovemberwouldbeagoodtimetoschedulethenextmeeting.The  CoChairswilltakecommentontheexactdateandalocationinasubsequentEMailtothe_DEJF_ x membership. d   MinutesCourtesyofLee_Gribovicz_,Wyoming_DEQ_