071608.Comment Ltr for LGOP - WW Chapter 10

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CALIFORNIA WASTEWATER CLIMATE CHANGE GROUP 1737 North First Street, Suite 300, San Jose, California 95112        Core Steering Committee   July 18, 2008   Randy Schmidt, P.E. Submitted via electronic mail to: policy@climateregistry.org Central Contra Costa Sanitary District     From:   The California Wastewater Climate Change Group Daniel McGivney   Eastern Municipal Water Subject:   Local Government Operations Protocol District   Helen Hu, P.E.  As requested, the California Wastewater Climate Change Group (CWCCG) has Sacramento Regional County  completed the review of the Draft Local Government Operations (LGO) Sanitation District Protocol, Chapter 10 Centralized Wastewater Treatment Facilities.     Steering Committee  The CWCCG is composed of wastewater agencies throughout California and   member agencies of the CWCCG treat approximately 90% of municipal Central Contra Costa wastewater in the state of California. The primary purpose of the CWCCG is to Sanitation District respond to climate change and forthcoming regulations and to provide a unified  City of Fresno  voice for the California wastewater industry.     City of Los Angeles Bureau of  CWCCG first began looking at the development of a bottom‐up wastewater industry Sanitation  specific GHG reporting protocol in May of 2007. In January 2008 ...
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CALIFORNIAWASTEWATERCLIMATECHANGEGROUP1737NorthFirstStreet,Suite300,SanJose,California95112 CoreSteeringCommitteeJuly18,2008RandySchmidt,P.E.CentralContraCostaSanitarySubmittedviaelectronicmailto:policy@climateregistry.orgDistrictFrom:TheCaliforniaWastewaterClimateChangeGroupDanielMcGivneyEasternMunicipalWaterSubject:LocalGovernmentOperationsProtocolDistrictHelenHu,P.E.Asrequested,theCaliforniaWastewaterClimateChangeGroup(CWCCG)hasSacramentoRegionalCountycompletedthereviewoftheDraftLocalGovernmentOperations(LGO)SanitationDistrictProtocol,Chapter10CentralizedWastewaterTreatmentFacilities.SteeringCommitteeTheCWCCGiscomposedofwastewateragenciesthroughoutCaliforniaandmemberagenciesoftheCWCCGtreatapproximately90%ofmunicipalCentralContraCostawastewaterinthestateofCalifornia.TheprimarypurposeoftheCWCCGistoSanitationDistrictrespondtoclimatechangeandforthcomingregulationsandtoprovideaunifiedCityofFresnovoicefortheCaliforniawastewaterindustry.CityofLosAngelesBureauofCWCCGfirstbeganlookingatthedevelopmentofabottomupwastewaterindustrySanitationspecificGHGreportingprotocolinMayof2007.InJanuary2008,CWCCGmembersmetCityofSanDiegowithCCARtodiscusshowbesttoworktogethertodevelopawastewaterprotocolthatMetropolitanWastewaterwasabottomupestimate,scientificallysound,andrigorouslyreviewedandacceptableDepartmentnotonlytoCCAR,buttoARBandEPAaswell.Sincethattime,CCARattherequestofARBhasundertakenanefforttodevelopaLGOProtocol,whichwouldincludecityEastBayMunicipalUtilitiesoperatedwastewaterfacilities.RecognizingthatCWCCG’splannedeffortstodevelopaDistrictrobustprotocolwouldnotbecompleteintimeforARB’sLGOProtocoldeadlineinEasternMunicipalWatersummer2008,CWCCGagreedtohelpCCARmeettherequirementoftheLGOprotocolDistrictbyprovidinga“PhaseI”protocol.The“PhaseI”protocolwastobebasedonatopdownapproachandexistingmethodologies.SinceJanuary2008,CWCCGhasspentsignificantInlandEmpireUtilitiesAgencytimeandeffortworkingwithCCARonthePhaseIprotocoltomeetARB’sdeadline.Atthesametime,CWCCG’soriginalfocusonamorerefinedandrobustbottomupLosAngelesCountyprotocolhasbeenputonhold.Atthistime,CWCCGfeelsthattheirefforts,expertise,SanitationDistrictsandassociatedcosthasresultedinlittletonoprogresstowardsamorerefinedwastewaterindustryGHGreportingprotocol.Therefore,CWCCGwouldliketofocusitsOrangeCountySanitationDistrictremainingfundsandanyfuturefundssolelyonthePhaseIIprotocoldevelopment.WearehopefulthatfutureeffortsandcoordinationwithCCARwillhelpCWCCGfocusonSacramentoRegionalCountyourendgoalanaccurateemissionsaccountingmethodforthewastewaterindustry.SanitationDistrictSanFranciscoPublicUtilitiesOurspecificcommentsrelatedtoChapter10oftheLGOProtocolareattached.CommissionTheCWCCGappreciatetheopportunitytoreviewandcommentontheDraftLocalGovernmentOperationsProtocol.SanJose/SantaClaraWaterPollutionControlPlant PleasecontactHelenHuat9168766098orHuH@SacSewer.comifyouhaveanyquestionsconcerningourcomments.
Section#Ch.10,pg95
Ch.10,pg95Sec.10.1Pg95Sec.10.2Pg95Sec.10.2Pg96
Sec.10.2,pg96
Sec.10.3Pg97Box10.1
Comments GeneralTheintroductoryparagraphacknowledgestheexistenceofprimarytreatment(plants)butthesubsequentdiscussionsmakeanassumptionthatallwastewatertreatmentplantsaresecondaryplantsandthatallsecondaryplantsgenerateN2Oatthelevelsindicated.SomeWWTPsareuniqueandhavedeminimisprocessN2OemissionsandCO2emissionsanorderofmagnitudelessthanstandardwastewatertreatmentprocesses.Theseprocessesshouldbeencouragedbyatacknowledgingthatalternativeprocessesexist.nd Lastsentence,2paragraph:“Table10.1provides...forcommonGHGsourcesrelatedtosolidwaste.”Doyoumeanwastewaterandnotsolidwaste? Needtoclarifysentence:examineyourwastewatertreatmentactivitiesaccordingtotheorganizationalboundaryguidanceinChapter3. st Lastsentence,1paragraph,revisetoread“Centralizedwastewatertreatmentsystems...forremovingnutrientsandprovidingdisinfection.” nd Lastsentence,2paragraph:Thissentenceisnotaccurate.Also,theproperwordfor“sludge”is“biosolids”.First3paragraphsonpage96:Theseparagraphsdonotmakemuchsense,confusing,anddoesnotsupporttheinfoprovidedinTable10.2.IftheintentoftheseparagraphsaretoexplainthesourceofCH4andN2O,theseparagraphneedtobeexpandtobetterexplaintheintent.Clarifyapplicabilityofstatementsandtables:rd 1. Firstsentence,3paragraph:aftertheword“wastewater”insertthewords“inmostsecondarytreatmentprocesses”2. Table10.2:th th a. GHGSourceColumn,4and5rowsdownfromtitleblock,replacethewords“CentralizedWWTP”with“StandardCentralizedSecondaryWWTP”b. The“F”inthistableneedstobedefinedsincetheydonotmeanthesamething.TheCaliforniaWastewaterClimateChangeGroup.Rewriteasfollows:“InaproactiveapproachtomeetpotentialfutureGHGregulatoryrequirements,overfortyCaliforniawastewateragencieshaveformedtheCWCCG.Tothatend,theCWCCGisworkingtodevelopanemissionsquantificationprotocolforwastewatertreatmentplantsinCaliforniathatwillallowanoperatortoestimateitsGHGprofileofallsixmajorGHGs.ForthemoreconventionalGHGpollutantslikeCO2fromcombustionandpowerimportation,thedocumentwillreferenceandsteertheoperatortowardavarietyofexistinggeneralreportingprotocolsformostoftheGHGpollutants.Forotherpollutants,likeN2O,theCWCCGintendstouseWaterEnvironmentResearchFoundation(WERF)researchonN2Ofromactivatedsludgeplants,currentlyunderway.TheWERFresearch,whichisfocusingonacombinationofdirectmeasurementsandrefinementofmathematicalmodeling,shouldprovidequantificationtoolsfortheindustry.OtherpollutantssuchasCH4andotherpotentialfugitiveemissionsreleasepointswillalsobeincorporatedaspartoflaterWERFstudyprogramsorotherstudyprograms,sothatacompletewastewaterindustryemissionprofilecanbeobtained.”
CWCCGCommentLetteronDraftLGOPChapter10
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Section#Comments rd 3paragraph,revisetoread:“Formoreinformation,refertoCWCCG’sDiscussionPaperforaWastewaterTreatmentPlantSectorGreenhouseGasEmissionsReportingProtocol(April2008).”Also,isthediscussionpaperincludedintheAppendixorsomewhereintheLGOProtocolsincethisisreferenced?Sec.Biogasisnotnecessarilyproduceduringwastewatertreatment.Biogasistypicallyaby10.3.1.1productofthebiosolidstreatmentprocess.Pg97st Revise1paragraphtoread:“Manylocalgovernments...digesterforbiosolidsstabilization.Biogasisabyproductofthedigestionprocesswhichofteniscapturedandusedinenergyproductionoriscombusted.Astheremaybesomeinefficiencyin...CH4emissions.”Sec.“Fremoved”needstobedefineas“fractionofoverallBOD5removalperformance.” 10.3.1.2Pg99EquationIsequation10.6forpubliclyowned/operatedsepticsystems…orsumofalltheestimated10.6septicsystemsw/inajurisdiction?Ifit’sthelatter,thensepticsystemsshouldbeincludePg101inthecommunitylevelprotocolandnottheLGOProtocol. st Sec.10.3.21paragraph,replacethewords“CentralizedWWTP”with“StandardCentralizedPg.101SecondaryWWTP”inline1andline12 Sec.10.3.2Changetitletoread:Processemissionsfrom“StandardCentralizedSecondary”WWTPPg.102withoutNitrification/Denitrification.
CWCCGCommentLetteronDraftLGOPChapter10
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