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($@AB6A<< c\  `&Times New Roman%2A`Arialhttp://www.access.gpo.gov/ecfr/graphics/er30se99.011.gifHWPC..http://www.access.gpo.gov/ecfr/graphics/er30se99.012.gifKWPC..http://www.access.gpo.gov/ecfr/graphics/er30se99.013.gifWPC..MG7- http://www.access.gpo.gov/ecfr/graphics/er30se99.014.gifWPC..Q:i+00($     3|x U !USUS.,  SS SDXXXX#XXXDXX#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX`#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX&#DXXXX#XXXDXh#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX.#DXXXX#XXXDXp#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX6#DXXXX#XXXDXx#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX>#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDXF#DXXXX#XXXDX#DXXXX#XXXDX#DXXXX#XXXDX #DXXXX#XXXDXN#DXXXX&   D XDX# D #D  PerformanceSpecification8ASpecificationsandTestProceduresforTotalHydrocarbonContinuous S MonitoringSystemsinStationarySources  #DXXD ##XXXDX#DXXXX ( D XDX  S96(\   DXXD #XXXDX* #DXXXX#D XDX ## D  #D  1.ApplicabilityandPrinciple'(\ ݌ 9 ЌDXXD   #XXXDX #DXXXX   SN    1.1Applicability.Theseperformancespecificationsapplytohydrocarbon(HC)continuous  emissionmonitoringsystems(CEMS)installedonstationarysources.Thespecificationsinclude   procedureswhichareintendedtobeusedtoevaluatetheacceptabilityoftheCEMSatthetimeof y  itsinstallationorwheneverspecifiedinregulationsorpermits.Theproceduresarenotdesigned e  toevaluateCEMSperformanceoveranextendedperiodoftime.Thesourceowneroroperatoris Q  responsibleforthepropercalibration,maintenance,andoperationoftheCEMSatalltimes.  ݌ =  Ќ     S |    1.2Principle.Agassampleisextractedfromthesourcethroughaheatedsamplelineandheated   filtertoaflameionizationdetector(FID).Resultsarereportedasvolumeconcentration   equivalentsofpropane.Installationandmeasurementlocationspecifications,performanceand   equipmentspecifications,testanddatareductionprocedures,andbriefqualityassurance   guidelinesareincludedinthespecifications.Calibrationdrift,calibrationerror,andresponse   timetestsareconductedtodetermineconformanceoftheCEMSwiththespecifications. ݌ k Ќ  &  ( D XDX  SM(T  DXXD #XXXDXR #DXXXX#D XDX## D #D  2.Definitions(T݌ M ЌDXXD   #XXXDX|#DXXXX   Seb V  2.1ContinuousEmissionMonitoringSystem(CEMS).Thetotalequipmentusedtoacquiredata, e whichincludessampleextractionandtransporthardware,analyzer,datarecordingand Q processinghardware,andsoftware.Thesystemconsistsofthefollowingmajorsubsystems:'8 V݌ = Ќ     S| k  2.1.1SampleInterface.Thatportionofthesystemthatisusedforoneormoreofthefollowing:  Sampleacquisition,sampletransportation,sampleconditioning,orprotectionoftheanalyzer   fromtheeffectsofthestackeffluent. k݌  Ќ     S96 I  2.1.2OrganicAnalyzer.Thatportionofthesystemthatsensesorganicconcentrationand 9 generatesanoutputproportionaltothegasconcentration. Iy݌ %u Ќ     Sd   2.1.3DataRecorder.Thatportionofthesystemthatrecordsapermanentrecordofthe  measurementvalues.Thedatarecordermayincludeautomaticdatareductioncapabilities. ݌   Ќ     S5"!2 Q  2.2InstrumentMeasurementRange.Thedifferencebetweentheminimumandmaximum 5" concentrationthatcanbemeasuredbyaspecificinstrument.Theminimumisoftenstatedor !#q assumedtobezeroandtherangeexpressedonlyasthemaximum. Q݌  $] Ќ     S% L%  4  2.3SpanorSpanValue.Fullscaleinstrumentmeasurementrange.Thespanvaluemustbe %  documentedbytheCEMSmanufacturerwithlaboratorydata. 4d݌ &! Ќ     S(m#'# SS    2.4CalibrationGas.Aknownconcentrationofagasinanappropriatediluentgas. ݌ (m# Ќ     S)$\)$   2.5CalibrationDrift(CD).ThedifferenceintheCEMSoutputreadingsfromtheestablished )$  referencevalueafterastatedperiodofoperationduringwhichnounscheduledmaintenance, *%! repair,oradjustmenttakesplace.ACDtestisperformedtodemonstratethestabilityofthe +&"  CEMScalibrationovertime.  ݌ s,'# Ќ     SS /"  2.6ResponseTime.Thetimeintervalbetweenthestartofastepchangeinthesysteminput(e.g., S  changeofcalibrationgas)andthetimewhenthedatarecorderdisplays95percentofthefinal ? value. /"_"݌ + Ќ     Smj #  2.7Accuracy.Ameasurementofagreementbetweenameasuredvalueandanacceptedortrue m value,expressedasthepercentagedifferencebetweenthetrueandmeasuredvaluesrelativeto Y  thetruevalue.Fortheseperformancespecifications,accuracyischeckedbyconductinga E  calibrationerror(CE)test. #)$݌ 1  Ќ     S p  3&  2.8CalibrationError(CE).ThedifferencebetweentheconcentrationindicatedbytheCEMS   andtheknownconcentrationofthecylindergas.ACEtestprocedureisperformedtodocument   theaccuracyandlinearityofthemonitoringequipmentovertheentiremeasurementrange. 3&c&݌   Ќ     S-} *  <(  2.9PerformanceSpecificationTest(PST)Period.TheperiodduringwhichCD,CE,and -}  responsetimetestsareconducted. <(l(݌ i  Ќ     S X  )  2.10CentroidalArea.Aconcentricareathatisgeometricallysimilartothestackorductcross   sectionandisnogreaterthan1percentofthestackorductcrosssectionalarea. ))݌   Ќ  &  ( D XDX  S)y&(I+  DXXD  # D '#D   #D XDX+# # D ,#D  3.InstallationandMeasurementLocationSpecifications(I++݌ )y ЌDXXD   #XXXDX,#DXXXX   S> -  3.1CEMSInstallationandMeasurementLocations.TheCEMSmustbeinstalledinalocationin  whichmeasurementsrepresentativeofthesource'semissionscanbeobtained.Theoptimum } locationofthesampleinterfacefortheCEMSisdeterminedbyanumberoffactors,including i easeofaccessforcalibrationandmaintenance,thedegreetowhichsampleconditioningwillbe U required,thedegreetowhichitrepresentstotalemissions,andthedegreetowhichitrepresents A thecombustionsituationinthefirebox(whereapplicable).Thelocationshouldbeasfreefrom -} inleakageinfluencesaspossibleandreasonablyfreefromsevereflowdisturbances.Thesample i locationshouldbeatleasttwoequivalentductdiametersdownstreamfromthenearestcontrol U device,pointofpollutantgeneration,orotherpointatwhichachangeinthepollutant A concentrationoremissionrateoccursandatleast0.5diameterupstreamfromtheexhaustor - controldevice.Theequivalentductdiameteriscalculatedasper40CFRpart60,appendixA,  method1,section2.1.Ifthesecriteriaarenotachievableorifthelocationisotherwiselessthan   optimum,thepossibilityofstratificationshouldbeinvestigatedasdescribedinsection3.2.The ! measurementpointmustbewithinthecentroidalareaofthestackorductcrosssection.'-+ --݌ " Ќ     S$o# 4  3.2StratificationTestProcedure.Stratificationisdefinedasadifferenceinexcessof10percent $o betweentheaverageconcentrationintheductorstackandtheconcentrationatanypointmore  %[  than1.0meterfromtheductorstackwall.Todeterminewhethereffluentstratificationexists,a %G! dualprobesystemshouldbeusedtodeterminetheaverageeffluentconcentrationwhile &3"  measurementsateachtraversepointarebeingmade.Oneprobe,locatedatthestackorduct '#! centroid,isusedasastationaryreferencepointtoindicatethechangeineffluentconcentration ( $" overtime.Thesecondprobeisusedforsamplingatthetraversepointsspecifiedin40CFRpart )$# 60appendixA,method1.Themonitoringsystemsamplessequentiallyatthereferenceand *%$  traversepointsthroughoutthetestingperiodforfiveminutesateachpoint. 44݌ +&% Ќ  &   ( D XDX  SS({9  # D Y-#D  4.CEMSPerformanceandEquipmentSpecifications({99݌ S ЌDXXD   #XXXDX:#DXXXX   Skh ;  Ifthismethodisappliedinhighlyexplosiveareas,cautionandcaremustbeexercisedinchoice k ofequipmentandinstallation.'U9 ;K;݌ W Ќ     S9 k<  4.1FlameIonizationDetector(FID)Analyzer.AheatedFIDanalyzercapableofmeetingor 9 exceedingtherequirementsofthesespecifications.Heatedsystemsmustmaintainthe  % temperatureofthesamplegasbetween150$C(300$F)and175$C(350$F)throughoutthe   system.Thisrequiresallsystemcomponentssuchastheprobe,calibrationvalve,filter,sample   lines,pump,andtheFIDtobekeptheatedatalltimessuchthatnomoistureiscondensedoutof   thesystem.Theessentialcomponentsofthemeasurementsystemaredescribedbelow: k<<݌   Ќ     Sg   @  4.1.1SampleProbe.Stainlesssteel,orequivalent,tocollectagassamplefromthecentroidal g  areaofthestackcrosssection. @H@݌ S  Ќ     S B  A  4.1.2SampleLine.StainlesssteelorTeflontubingtotransportthesampletotheanalyzer. AA݌   Ќ     S'w$ B   Note: Mentionoftradenamesorspecificproductsdoesnotconstituteendorsementbythe 'w  EnvironmentalProtectionAgency. BB݌ g  Ќ     SV D  4.1.3CalibrationValveAssembly.Aheatedthreewayvalveassemblytodirectthezeroand  calibrationgasestotheanalyzerisrecommended.Othermethods,suchasquickconnectlines,to  routecalibrationgastotheanalyzersareapplicable. D2D݌  Ќ     Sc  F  4.1.4ParticulateFilter.Aninstackoroutofstacksinteredstainlesssteelfilterisrecommended c ifexhaustgasparticulateloadingissignificant.Anoutofstackfiltermustbeheated.  F;F݌ O Ќ     S> G  4.1.5Fuel.Thefuelspecifiedbythemanufacturer(e.g.,40percenthydrogen/60percenthelium,  40percenthydrogen/60percentnitrogengasmixtures,orpurehydrogen)shouldbeused. G,H݌ } Ќ     S_  I  4.1.6ZeroGas.Highpurityairwithlessthan0.1partspermillionbyvolume(ppm)HCas _ methaneorcarbonequivalentorlessthan0.1percentofthespanvalue,whicheverisgreater. II݌ K Ќ     S :  3K  4.1.7CalibrationGases.Appropriateconcentrationsofpropanegas(inairornitrogen).   PreparationofthecalibrationgasesshouldbedoneaccordingtotheproceduresinEPAProtocol y! 1.Inaddition,themanufacturerofthecylindergasshouldprovidearecommendedshelflifefor e" eachcalibrationgascylinderoverwhichtheconcentrationdoesnotchangebymorethan2 Q# percentfromthecertifiedvalue. 3KcK݌ =$ Ќ     S%!|%  M  4.2CEMSSpanValue.100ppmpropane.ThespanvaluemustbedocumentedbytheCEMS %! manufacturerwithlaboratorydata. M/N݌ & " Ќ     SM(#'J# XO  4.3DailyCalibrationGasValues.Theowneroroperatormustchoosecalibrationgas M(# concentrationsthatincludezeroandhighlevelcalibrationvalues. XOO݌ 9)$ Ќ     S*&x*% P  4.3.1Thezerolevelmaybebetweenzeroand0.1ppm(zeroand0.1percentofthespanvalue). PQ݌ *&  Ќ     S],' ,Z' Q  4.3.2Thehighlevelconcentrationmustbebetween50and90ppm(50and90percentofthe ],'! spanvalue). QR݌ I-(" Ќ     SS S  4.4DataRecorderScale.Thestripchartrecorder,computer,ordigitalrecordermustbecapable S ofrecordingallreadingswithintheCEMS'measurementrangeandmusthavearesolutionof0.5 ? ppm(0.5percentofspanvalue). SMS݌ + Ќ     Smj T  4.5ResponseTime.TheresponsetimefortheCEMSmustnotexceed2minutestoachieve95 m percentofthefinalstablevalue. T$U݌ Y  Ќ     S ;  SV  4.6CalibrationDrift.TheCEMSmustallowthedeterminationofCDatthezeroandhighlevel  ; values.TheCEMScalibrationresponsemustnotdifferbymorethan3ppm(3percentof  ' thespanvalue)aftereach24hourperiodofthe7daytestatbothzeroandhighlevels. SVV݌   Ќ     SU R  X  4.7CalibrationError.ThemeandifferencebetweentheCEMSandreferencevaluesatallthree U  testpointslistedbelowmustbenogreaterthan5ppm(5percentofthespanvalue). XX݌ A  Ќ     S#   fZ  4.7.1ZeroLevel.Zeroto0.1ppm(0to0.1percentofspanvalue). fZZ݌ #  Ќ     Se b  x[  4.7.2MidLevel.30to40ppm(30to40percentofspanvalue). x[[݌ e  Ќ     SG \  4.7.3HighLevel.70to80ppm(70to80percentofspanvalue). \\݌ G  Ќ     S6 ]  4.8MeasurementandRecordingFrequency.Thesampletobeanalyzedmustpassthroughthe   measurementsectionoftheanalyzerwithoutinterruption.Thedetectormustmeasurethesample u concentrationatleastonceevery15seconds.Anaverageemissionratemustbecomputedand a recordedatleastonceevery60seconds. ]]݌ M Ќ     S/ _  4.9HourlyRollingAverageCalculation.TheCEMSmustcalculateeveryminuteanhourly / rollingaverage,whichisthearithmeticmeanofthe60mostrecent1minuteaveragevalues. _,`݌  Ќ     S] Z a  4.10Retest.IftheCEMSproducesresultswithinthespecifiedcriteria,thetestissuccessful.If ] theCEMSdoesnotmeetoneormoreofthecriteria,necessarycorrectionsmustbemadeandthe I performancetestsrepeated. aa݌ 5 Ќ  & k ( D XDX  St(c  DXXD  # D :#D   #D XDXc# # D @d#D  5.PerformanceSpecificationTest(PST)Periods(cc݌  ЌDXXD   #XXXDXd#DXXXX   S/! , e  5.1PretestPreparationPeriod.InstalltheCEMS,preparethePTMtestsiteaccordingtothe /! specificationsinsection3,andpreparetheCEMSforoperationandcalibrationaccordingtothe "k manufacturer'swritteninstructions.Apretestconditioningperiodsimilartothatofthe7dayCD #W testisrecommendedtoverifytheoperationalstatusoftheCEMS.'ktgc ee݌ #C Ќ     S% 2%  Jh  5.2CalibrationDriftTestPeriod.Whilethefacilityisoperatingundernormalconditions, %  determinethemagnitudeoftheCDat24hourintervalsforsevenconsecutivedaysaccordingto q&! theproceduregiveninsection6.1.AllCDdeterminationsmustbemadefollowinga24hour ]'" periodduringwhichnounscheduledmaintenance,repair,oradjustmenttakesplace.Ifthe I(# combustionunitistakenoutofserviceduringthetestperiod,recordtheonsetanddurationofthe 5)$ downtimeandcontinuetheCDtestwhentheunitresumesoperation. Jhzh݌ !*q%  Ќ     S+'`+& k  5.3CalibrationErrorTestandResponseTimeTestPeriods.ConducttheCEandresponsetime +'!  testsduringtheCDtestperiod. kk݌ ,'" Ќ  &   ( D XDX  SS(3m  # D e#D  6.PerformanceSpecificationTestProcedures(3mm݌ S ЌDXXD   #XXXDXm#DXXXX   Skh n  6.1RelativeAccuracyTestAudit(RATA)andAbsoluteCalibrationAudits(ACA).Thetest k proceduresdescribedinthissectionareinlieuofaRATAandACA.' m nn݌ W Ќ     S9 `p  6.2CalibrationDriftTest. `pp݌ 9 Ќ     S{ ( x Jq  6.2.1SamplingStrategy.ConducttheCDtestat24hourintervalsforsevenconsecutivedays {  usingcalibrationgasesatthetwodailyconcentrationlevelsspecifiedinsection4.3.Introducethe g  twocalibrationgasesintothesamplingsystemasclosetothesamplingprobeoutletaspractical. S  ThegasmustpassthroughallCEMcomponentsusedduringnormalsampling.Ifperiodic ?  automaticormanualadjustmentsaremadetotheCEMSzeroandcalibrationsettings,conduct +{  theCDtestimmediatelybeforetheseadjustments,orconductitinsuchawaythattheCDcanbe g  determined.RecordtheCEMSresponseandsubtractthisvaluefromthereference(calibration S  gas)value.Tomeetthespecification,noneofthedifferencesmayexceed3percentofthespanof ?  theCEM. Jqzq݌ +  Ќ     Smj u  6.2.2Calculations.Summarizetheresultsonadatasheet.AnexampleisshowninFigure1. m  CalculatethedifferencesbetweentheCEMSresponsesandthereferencevalues. uu݌ Y Ќ     S; Ww  6.3ResponseTime.Theentiresystemincludingsampleextractionandtransport,sample ; conditioning,gasanalyses,andthedatarecordingischeckedwiththisprocedure. Www݌ ' Ќ     Sif x  6.3.1Introducethecalibrationgasesattheprobeasneartothesamplelocationaspossible. i Introducethezerogasintothesystem.Whenthesystemoutputhasstabilized(nochangegreater U than1percentoffullscalefor30sec),switchtomonitorstackeffluentandwaitforastable A value.Recordthetime(upscaleresponsetime)requiredtoreach95percentofthefinalstable -} value. xy݌ i Ќ     SX c{  6.3.2Next,introduceahighlevelcalibrationgasandrepeattheaboveprocedure.Repeatthe  entireprocedurethreetimesanddeterminethemeanupscaleanddownscaleresponsetimes.The  longerofthetwomeansisthesystemresponsetime. c{{݌  Ќ     S!e  4}  6.4CalibrationErrorTestProcedure. 4}d}݌ !e Ќ     S"T" (~  6.4.1SamplingStrategy.ChallengetheCEMSwithzerogasandEPAProtocol1cylindergases " atmeasurementpointswithintherangesspecifiedinsection4.7. (~X~݌ #      S%%u $"    6.4.1.1Thedailycalibrationgases,ifProtocol1,maybeusedforthistest. ݌ %%u  Ќ  _   SS     CFSC?x Xp@XEKF!KF!kf! S  CGVFBx \p.@XEI&9&0 ݌ I&! Ќ       S+&L+&     _/_  _/(  __/  _   ݌ w-( Ќ       SS     6.4.1.2OperatetheCEMSasnearlyaspossibleinitsnormalsamplingmode.Thecalibrationgas S shouldbeinjectedintothesamplingsystemasclosetothesamplingprobeoutletaspracticaland ? mustpassthroughallfilters,scrubbers,conditioners,andothermonitorcomponentsusedduring + normalsampling.ChallengetheCEMSthreenonconsecutivetimesateachmeasurementpoint  andrecordtheresponses.Thedurationofeachgasinjectionshouldbeforasufficientperiodof  timetoensurethattheCEMSsurfacesareconditioned. ݄݌   Ќ       S1  .   6.4.2Calculations.Summarizetheresultsonadatasheet.Anexampledatasheetisshownin 1  Figure2.Averagethedifferencesbetweentheinstrumentresponseandthecertifiedcylindergas  m valueforeachgas.CalculatethreeCEresultsaccordingtoEquation1.Noconfidencecoefficient  Y isusedinCEcalculations. @݌  E  Ќ  &  ( D XDX  S 4 (b  # D n#_D  7._ԀEquations(b݌   ЌDXXD   #XXXDX#DXXXX   S?     CalibrationError.CalculateCEusingEquation1.'4F .݌ ?  Ќ     S .~      CISC?x Xp@XEz  j CJVFBx \p.@XE|lq0 7݌   Ќ       S'   Ў  /  _/  __/  _    Ў ݌̌       S-}*     Where: ݐ݌ -} Ќ       Sl h  d=MeandifferencebetweenCEMSresponseandtheknownreferenceconcentration,determined  usingEquation2. h݌  Ќ     S= :     CLSC?x Xp@XE!  ! CNVFBx \p.@XE= v- 0 ݌ =  Ќ       S% @%      /  _/  __/  _    Ȕ݌̌       S)9%)$   ]  Where: ]݌ )9%        S{+&(+x& .  _di_Ԁ=IndividualdifferencebetweenCEMSresponseandtheknownreferenceconcentration. .^݌ {+& Ќ  &   ( D XDX  SS(z  # D ϋ#D  8.Reporting(z̘݌ S ЌDXXD   #XXXDX#   Skh י  Ataminimum,summarizeintabularformtheresultsoftheCD,responsetime,andCEtest,as k appropriate.Includealldatasheets,calculations,CEMSdatarecords,andcylindergasor W referencematerialcertifications.'T י݌ C Ќ     S %      CPSC?x Xp@XE :c:c Z  % CRVFBx \p.@XE8&(&0 ݌ 8&! Ќ     - )   9.References  DXXXX   SB?   1.MeasurementofVolatileOrganicCompoundsGuidelineSeries.U.S.Environmental B ProtectionAgency,ResearchTrianglePark,NorthCarolina,27711,EPA450/278041,June .~ 1978. D݌ j Ќ     S Y  ՟  2.TraceabilityProtocolforEstablishingTrueConcentrationsofGasesUsedforCalibrationand   AuditsofContinuousSourceEmissionMonitors(ProtocolNo.1).U.S.Environmental   ProtectionAgencyORD/_EMSL_,ResearchTrianglePark,NorthCarolina,27711,June1978. ՟݌   Ќ     S f  Ρ  3.GasolineVaporEmissionLaboratoryEvaluationPart2.U.S.EnvironmentalProtection  f Agency,_OAQPS_,ResearchTrianglePark,NorthCarolina,27711,_EMB_ԀReportNo.76GAS6, R  August1975. Ρ݌ >  Ќ    S#XXXDX#