WPCo& ZK*&0:K1":(hnI8Y["wB"(@of3 F;_⇂]x@ d Xu$HJnaaxTB~^;)!wUm->Z!'$MKnQ7YqO35θ}&~][_e֠|DaOT+r x ڰ!չgmΜ?-Z ʉ$T]՝^U+yDFc+8U~3ŵ:A?oZBG2/eǨ<X@2*YHW]A 2v)Q%ɸLbF" #5oϙPnF0zh=፤Ѕ`t{Y$lFuFi]Y%aaĄB(-7U楍a5.`AvS鵘Jtz{0'J?1ƾ^FiZ7`uJQ;CnC}.&I 0 0 0c 0y 0k 0k 0~V 0~ 0R 0) 0 0 0] 0 0 0C 0 0 0 0 0 0. 0A 0TU.q % 0z 0  0= 0FQ 0P 1 0z 1S 0X 0O!EJ" hL" 0OR"R" C"f"a" B*" B " 1##nX# 047%k%k%wk%4o%U>%%%%%%%%%%%%% 0P%%%^&VV8Document[1]Document Style  @..  23  Ԁ     Ԉ V-8Document[2]Document Style 23  Ԁ   V=8Document[3]Document Style.. 23  Ԁ   V8Document[4]Document Style.. . 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I. 1. A. a.(1)(a) i) a)S ($0 ($0 0 (($0 0 0  A_ekqwDocumentDocument StyleI.1.A.a.(1)(a)i)a)jo4Tech InitInitialize Technical StyleS #   1 .1 .1 .1 .1 .1 .1 .1 S  CuyTechnicalTechnical Document Style11.11.1.11.1.1.11.1.1.1.11.1.1.1.1.11.1.1.1.1.1.11.1.1.1.1.1.1.1x?t2PleadingHeader for numbered pleading paper %  &o(   AXXX  XAXXAXAXXXAXX?/''*dE*??/''*dE*?HH1HH2HH3HH4HH5HH6HH7HH8HH910111213141516171819202122232425262728  .+('2o$ 3T!   ,('2o$ 3T!    dTable_A&0 d d d CRight ParRight-Aligned Paragraph NumbersI.A.1.a.(1)(a)i)a)3|x<6X9`(CourierXx6X@`7X@< 9(CourierBoldXx 7X( T$  j%<( 9Z &Courier Regular((3$ 3T!    T E'   8XAXXX 3T!   {<( X` p  %0*X<    H78A8XXdd7 METHOD6BDETERMINATIONOFSULFURDIOXIDEAND Z CARBONDIOXIDEDAILYAVERAGEEMISSIONSFROMFOSSILFUELCOMBUSTIONSOURCES  "   * DXX` * NOTE: Thismethoddoesnotincludeallofthe   specifications(e.g.,equipmentandsupplies)andprocedures  V (e.g.,samplingandanalytical)essentialtoits t  performance.Somematerialisincorporatedbyreferencefromothermethodsinthispart.Therefore,toobtainreliableresults,personsusingthismethodshouldhaveathoroughknowledgeofatleastthefollowingadditionaltestmethods:Method1,Method2,Method3,Method5,Method6,andMethod6A.1.0ScopeandApplication. v  1.1Analytes.*q,- ddd Xdd Xdd X(#(#q,( dd ,Xdd , dd +  3./" L 3Analyte 2./!./ 2CASNo. 2./!./ 2Sensitivity C9!   ./ xCSulfurdioxide(SO2)  ^ 74490905  ^ 3.4mgSO2/m3 ^  (2.12'107lb/ft3) =/,@ ! x  Px=Carbondioxide(CO2) 2/!!@"/ 2124389 2/!!@#/ 2N/A1'%!@$ x P  / 1 1.2Applicability.ThismethodisapplicableforthedeterminationofSO2emissionsfromcombustionsourcesin 2%' termsofconcentration(ng/dscmorlb/dscf)andemissionrate(ng/Jorlb/106Btu),andforthedeterminationofCO2 (`"+  concentration(percent)onadaily(24hours)basis. !  ~*$$- H 1.3DataQualityObjectives.Adherencetothe requirementsofthismethodwillenhancethequalityofthedataobtainedfromairpollutantsamplingmethods.2.0SummaryofMethod.  L  2.1Agassampleisextractedfromthesamplingpointinthestackintermittentlyovera24-hourorotherspecifiedtimeperiod.TheSO2fractionismeasuredbythe   barium-thorintitrationmethod.MoistureandCO2fractions \  arecollectedinthesamesamplingtrain,andaredeterminedgravimetrically.3.0Definitions.[Reserved]  4.0Interferences. l  SameasMethod6,Section4.0.5.0Safety. N  5.1Disclaimer.& \ Thismethodmayinvolvehazardousmaterials,operations,andequipment.Thistestmethodmaynotaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheusertoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortoperformingthistestmethod.'\   5.2CorrosiveReagents.SameasMethod6,Section5.2. &-&, 6.0EquipmentandSupplies. Z  SameasMethod6A,Section6.0,withthefollowingexceptionsandadditions: 6.1Theisopropanolbubblerisnotused.Anemptybubblerforthecollectionofliquiddroplets,thatdoesnotallowdirectcontactbetweenthecollectedliquidandthegassample,maybeincludedinthesamplingtrain. 6.2Forintermittentoperation,includeanindustrialtimer-switchdesignedtooperateinthe"on"positionatleast2minutescontinuouslyand"off"theremainingperiodoverarepeatingcycle.Thecycleofoperationisdesignatedintheapplicableregulation.Ataminimum,thesamplingoperationshouldincludeatleast12,equal,evenly-spacedperiodsper24hours. 6.3Stainlesssteelsamplingprobes,type316,arenotrecommendedforusewithMethod6Bbecauseofpotentialsamplecontaminationduetocorrosion.Glassprobesorothertypesofstainlesssteel,e.g.,HasteloyorCarpenter ^$" 20,arerecommendedforlong-termuse. NOTE :Forapplicationsdownstreamofwetscrubbers,a '!& heatedout-of-stackfilter(eitherborosilicateglasswoolorglassfibermat)isnecessary.Probeandfilterheatingsystemscapableofmaintainingasamplegastemperatureof 6-&, between20and120$C(68and248$F)atthefilterarealso Z requiredinthesecases.Theelectricsupplyfortheseheatingsystemsshouldbecontinuousandseparatefromthetimedoperationofthesamplepump.  L 7.0ReagentsandStandards. j   SameasMethod6A,Section7.0,withthefollowingexceptions: 7.1Isopropanolisnotusedforsampling. 7.2Thehydrogenperoxideabsorbingsolutionshallbedilutedtonolessthan6percentbyvolume,insteadof3percentasspecifiedinMethods6and6A. 7.3IftheMethod6Bsamplingtrainistobeoperatedinalowsampleflowcondition(lessthan100ml/minor0.21ft3/hr),molecularsievematerialmaybesubstitutedfor N AscariteIIastheCO2absorbingmaterial.Therecommended  molecularsievematerialisUnionCarbide1/16inchpellets,5A$,orequivalent.Molecularsievematerialneednotbe "@  discardedfollowingthesamplingrun,providedthatitisregeneratedasperthemanufacturer'sinstruction.Useofmolecularsievematerialatflowrateshigherthan100ml/min(0.21ft3/hr)maycauseerroneousCO2results. )P#( 8.0SampleCollection,Preservation,Transport,and n+%* Storage. &-&,  8.1PreparationofSamplingTrain.SameasMethod6A,Section8.1,withtheadditionofthefollowing: 8.1.1ThesamplingtrainisassembledasshowninFigure6A1ofMethod6A,exceptthattheisopropanolbubblerisnotincluded. 8.1.2Adjustthetimerswitchtooperateinthe"on"positionfrom2to4minutesona2hourrepeatingcycleorothercyclespecifiedintheapplicableregulation.Othertimersequencesmaybeusedwiththerestrictionthatthetotalsamplevolumecollectedisbetween25and60liters(0.9and2.1ft3)fortheamountsofsamplingreagents  prescribedinthismethod. 8.1.3Addcoldwatertothetankuntiltheimpingersandbubblersarecoveredatleasttwothirdsoftheirlength.Theimpingersandbubblertankmustbecoveredandprotectedfromintenseheatanddirectsunlight.Iffreezingconditionsexist,theimpingersolutionandthewaterbathmustbeprotected. NOTE: Samplingmaybeconductedcontinuouslyifalow "&$ flowratesamplepump[20to40ml/min(0.04to0.08ft3/hr) '!& forthereagentvolumesdescribedinthismethod]isused.Ifsamplingiscontinuous,thetimerswitchisnotnecessary.Inaddition,ifthesamplepumpisdesignedfor 6-&, constantratesampling,theratemetermaybedeleted.Thetotalgasvolumecollectedshouldbebetween25and60liters(0.9and2.1ft3)fortheamountsofsampling   reagentsprescribedinthismethod. 8.2SamplingTrainLeakCheckProcedure.SameasMethod6,Section8.2. 8.3SampleCollection. 8.3.1Theprobeandfilter(eitherinstack,outofstack,orboth)mustbeheatedtoatemperaturesufficienttopreventwatercondensation. 8.3.2Recordtheinitialdrygasmeterreading.Tobeginsampling,positionthetipoftheprobeatthesamplingpoint,connecttheprobetothefirstimpinger(orfilter),andstartthetimerandthesamplepump.Adjustthesampleflowtoaconstantrateofapproximately1.0liter/min(0.035cfm)asindicatedbytherotameter.Observetheoperationofthetimer,anddeterminethatitisoperatingasintended(i.e.,thetimerisinthe"on" ^$" positionforthedesiredperiod,andthecyclerepeatsasrequired). 8.3.3Onetimebetween9:00a.m.and11:00a.m.duringthe24hoursamplingperiod,recordthedrygasmetertemperature(Tm)andthebarometricpressure(P(bar)). 2-&,  8.3.4Attheconclusionoftherun,turnoffthetimerandthesamplepump,removetheprobefromthestack,andrecordthefinalgasmetervolumereading.ConductaleakcheckasdescribedinSection8.2.Ifaleakisfound,voidthetestrunoruseproceduresacceptabletotheAdministratortoadjustthesamplevolumeforleakage.RepeatthestepsinSections8.3.1to8.3.4forsuccessiveruns. 8.4SampleRecovery.Theproceduresforsamplerecovery(moisturemeasurement,peroxidesolution,andCO2 > absorber)arethesameasthoseinMethod6A,Section8.3.  9.0QualityControl. l  SameasMethod6,Section9.0.,withtheexceptionoftheisopropanolcheck.10.0CalibrationandStandardization.   SameasMethod6,Section10.0,withtheadditionofthefollowing: 10.1PeriodicCalibrationCheck.After30daysofoperationofthetesttrain,conductacalibrationcheckaccordingtothesameproceduresastheposttestcalibrationcheck(Method6,Section10.1.2).Ifthedeviationbetweeninitialandperiodiccalibrationfactorsexceeds5percent,usethesmallerofthetwofactorsin 2-&, calculationsforthepreceding30daysofdata,butusethemostrecentcalibrationfactorforsucceedingtestruns.11.0AnalyticalProcedures.    11.1SampleLossCheckandAnalysis.SameasMethod6,Sections11.1and11.2,respectively. 11.2QualityAssurance(QA)AuditSamples.AnalysisofQAauditsamplesisrequiredonlywhenthismethodisusedforcompliancedeterminations.ObtainanauditsamplesetasdirectedinSection7.3.6ofMethod6.Analyzetheauditsamplesatleastonceforevery30daysofsamplecollection,andreporttheresultsasdirectedinSection11.3ofMethod6.Theanalystperformingthesampleanalysesshallperformtheauditanalyses.Ifmorethanoneanalystperformsthesampleanalysesduringthe30-daysamplingperiod,eachanalystshallperformtheauditanalysesandallauditresultsshallbereported.AcceptancecriteriafortheauditresultsarethesameasthoseinMethod6.12.0DataAnalysisandCalculations. &$  SameasMethod6A,Section12.0,exceptthatPbarandTm '!& correspondtothevaluesrecordedinSection8.3.3ofthismethod.Thevaluesareasfollows: Pbar=Initialbarometricpressureforthetestperiod, &-&,   mmHg. Tm=Absolutemetertemperatureforthetestperiod,    $K.   13.0MethodPerformance.  L  13.1Range. 13.1.1SulfurDioxide.SameasMethod6. 13.1.2CarbonDioxide.Notdetermined. 13.2RepeatabilityandReproducibility.EPA-sponsoredcollaborativestudieswereundertakentodeterminethemagnitudeofrepeatabilityandreproducibilityachievablebyqualifiedtestersfollowingtheproceduresinthismethod.Theresultsofthestudiesevolvefrom145fieldtestsincludingcomparisonswithMethods3and6.Formeasurementsofemissionratesfromwet,fluegasdesulfurizationunitsin(ng/J),therepeatability(intralaboratoryprecision)is8.0percentandthereproducibility(interlaboratoryprecision)is11.1percent.14.0PollutionPrevention.[Reserved] ^$" 15.0WasteManagement.[Reserved] "&$ 16.0AlternativeMethods. '!&  SameasMethod6A,Section16.0,exceptthatthetimerisneededandisoperatedasoutlinedinthismethod.17.0References. 2-&,  SameasMethod6A,Section17.0,withtheadditionofthefollowing: 1.Butler,FrankE.,et.al.TheCollaborativeTest   ofMethod6B:Twenty-Four-HourAnalysisofSO2andCO2.  L JAPCA.Vol.33,No.10.October1983.18.0Tables,Diagrams,Flowcharts,andValidationData. .  [Reserved]