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A. a.(1)(a) i) a)SÓØØ (ÿÿ$˜˜Ìà0 àà à(ÿÿ$™™à0 àà0 àà à((ÿÿ$ššà0 àà0 àà0 àà à  ÿÿA_ekqw‡DocumentDocument StyleI.1.A.a.(1)(a)i)a)joÿÿ4Tech InitInitialize Technical StyleÓS€ #  1 .1 .1 .1 .1 .1 .1 .1 þSÓØØ ÿÿCuy±ÉåTechnicalTechnical Document Style11.11.1.11.1.1.11.1.1.1.11.1.1.1.1.11.1.1.1.1.1.11.1.1.1.1.1.1.1x?ãt2PleadingHeader for numbered pleading paperÓÈÓÑ °ÑÑè°ÑÖ€%ÿÿÖ ŒÝ ƒ&t(ÝÝ  ÝÔ€œXXXÔÓÈÓÒX°ÒÒ°°ÒÓÿÿÀ°œXÓß?€.''ü°ø*–dEü°ø*?ßß?€.''°ø*–dE°ø*?ßÌÌàHHÀà1ˆÌÌàHHÀà2ˆÌÌàHHÀà3ˆÌÌàHHÀà4ˆÌÌàHHÀà5ˆÌÌàHHÀà6ˆÌÌàHHÀà7ˆÌÌàHHÀà8ˆÌÌàHHÀà9ˆÌÌàÐÐÀà10ˆÌÌàÐÐÀà11ˆÌÌàÐÐÀà12ˆÌÌàÐÐÀà13ˆÌÌàÐÐÀà14ˆÌÌàÐÐÀà15ˆÌÌàÐÐÀà16ˆÌÌàÐÐÀà17ˆÌÌàÐÐÀà18ˆÌÌàÐÐÀà19ˆÌÌàÐÐÀà20ˆÌÌàÐÐÀà21ˆÌÌàÐÐÀà22ˆÌÌàÐÐÀà23ˆÌÌàÐÐÀà24ˆÌÌàÐÐÀà25ˆÌÌàÐÐÀà26ˆÌÌàÐÐÀà27ˆÌÌàÐÐÀà28Ô  à.À+Ô(2t$¨¨Ý ƒ5!ÝÝ  Ý+(2t$©©Ý ƒ5!ÝÝ  Ý ÿÿÿdTable_A&ÿÿ0 d d dTable_B  ÿÿCƒ‰•›£«±Right ParRight-Aligned Paragraph NumbersI.A.1.a.(1)(a)i)a)3|x«<þ6X9`(CourierXôxþ6X@ɹ`7ûX@($¡¡<èÀ( 9Z &Courier Regular//ôj‹%ú ÷bì ÷b.Ô(3¯y$§§Ý ƒ5!ÝÝ  Ý HÝ ƒQ¯y'ÝÝ  ÝÒ°ÒÔ‡6X¤kXXXÔÝ ƒ5!ÝÝ  ÝØØÑ  ÑÒ°ÒÓ  ÓÖ€UÿÿÖÑ7€6¤k6XXdâdÈ7Ñò òMETHOD€21€„€DETERMINATION€OF€VOLATILE€Ð Z ÐORGANIC€COMPOUND€LEAKSó óÐ >ä ÐÓ  ÓÌòòÓÓÓ D§X°œXÓ1.0€€Scope€and€Application.óóÐ  ª ÐÓÓà œ à1.1€€Analytes.ÌÔ*qƒ+, ddd Xdd Xdd X(#(#qÔÔ,dd ÔÔ,dd ÔÔ+  ÔÐ /€-" ž D €p€‚¨‚ƒƒ„„/Ðà@l l àAnalyteˆÐ .€-!F ì- „„.Ðà@||9 àCAS€No.ˆÐ J€..9!F ì ¨ p - €(€‚ˆ‚ƒƒ„„JÐà@øøàVolatile€Organic€CompoundsˆÌà@l l à€(VOC)€ˆÐ 2€..!’8 .. „„2Ðà@øø1 àNo€CAS€number€assignedˆÐ1'%° V  ˆ (  .. 1ÐÌÓÓà œ à1.2€€Scope.€€This€method€is€applicable€for€theÏdetermination€of€VOC€leaks€from€process€equipment.€€TheseÏsources€include,€but€are€not€limited€to,€valves,€flanges€andÏother€connections,€pumps€and€compressors,€pressure€reliefÏdevices,€process€drains,€open„ended€valves,€pump€andÏcompressor€seal€system€degassing€vents,€accumulator€vesselÏvents,€agitator€seals,€and€access€door€seals.Ìà œ à1.3€€Data€Quality€Objectives.€€Adherence€to€theÏrequirements€of€this€method€will€enhance€the€quality€of€theÏdata€obtained€from€air€pollutant€sampling€methods.Ìòò2.0€€Summary€of€Method.óóÐ "´  Ðà œ à2.1€€A€portable€instrument€is€used€to€detect€VOC€leaksÏfrom€individual€sources.€€The€instrument€detector€type€isÏnot€specified,€but€it€must€meet€the€specifications€andÏperformance€criteria€contained€in€Section€6.0.€€A€leakÏÖ€UâÖdefinition€concentration€based€on€a€reference€compound€isÏspecified€in€each€applicable€regulation.€€This€method€isÐ š,@&, Ðintended€to€locate€and€classify€leaks€only,€and€is€not€to€beÏused€as€a€direct€measure€of€mass€emission€rate€fromÏindividual€sources.Ìòò3.0€€€Definitions.óóÐ ¦ L Ðà œ à3.1€€òòCalibration€gasóó€means€the€VOC€compound€used€toÐ ^  Ðadjust€the€instrument€meter€reading€to€a€known€value.€€TheÏcalibration€gas€is€usually€the€reference€compound€at€a€knownÏconcentration€approximately€equal€to€the€leak€definitionÏconcentration.Ìà œ à3.2€€òòCalibration€precisionóó€means€the€degree€ofÐ 2Ø Ðagreement€between€measurements€of€the€same€known€value,Ïexpressed€as€the€relative€percentage€of€the€averageÏdifference€between€the€meter€readings€and€the€knownÏconcentration€to€the€known€concentration.Ìà œ à3.3€€òòLeak€definition€concentrationóó€means€the€local€VOCÐ ¬ Ðconcentration€at€the€surface€of€a€leak€source€that€indicatesÏthat€a€VOC€emission€(leak)€is€present.€€The€leak€definitionÏis€an€instrument€meter€reading€based€on€a€referenceÏcompound.Ìà œ à3.4€€òòNo€detectable€emissionóó€means€a€local€VOCÐ Ú'€!& Ðconcentration€at€the€surface€of€a€leak€source,€adjusted€forÏâ âlocal€VOC€ambient€concentration,€that€is€less€than€2.5Ð b+%* Ðpercent€of€the€specified€leak€definition€concentration.€thatÏindicates€that€a€VOC€emission€(leak)€is€not€present.Ìâ âà œ à3.5€€òòReference€compoundóó€means€the€VOC€species€selectedÐ â ˆ Ðas€the€instrument€calibration€basis€for€specification€of€theÏleak€definition€concentration.€€(For€example,€if€a€leakÏdefinition€concentration€is€10,000€ppm€as€methane,€then€anyÏsource€emission€that€results€in€a€local€concentration€thatÏyields€a€meter€reading€of€10,000€on€an€instrument€meterÏcalibrated€with€methane€would€be€classified€as€a€leak.€€InÏthis€example,€the€leak€definition€concentration€is€10,000Ïppm€and€the€reference€compound€is€methane.)Ìà œ à3.6€€òòResponse€factoróó€means€the€ratio€of€the€knownÐ Æl Ðconcentration€of€a€VOC€compound€to€the€observed€meterÏreading€when€measured€using€an€instrument€calibrated€withÏthe€reference€compound€specified€in€the€applicableÏregulation.Ìà œ à3.7€€òòResponse€timeóó€means€the€time€interval€from€a€stepÐ š"@  Ðchange€in€VOC€concentration€at€the€input€of€the€samplingÏsystem€to€the€time€at€which€90€percent€of€the€correspondingÏfinal€value€is€reached€as€displayed€on€the€instrumentÏreadout€meter.Ìòò4.0€€Interferences.óó€€[Reserved]Ð n+%* Ðòò5.0€€Safety.óó€€Ð 2-Ø&, Ðà œ à5.1€€Disclaimer.€€This€method€may€involve€hazardousÏmaterials,€operations,€and€equipment.€€This€test€method€mayÏnot€address€all€of€the€safety€problems€associated€with€itsÏuse.€€It€is€the€responsibility€of€the€user€of€this€testÏmethod€to€establish€appropriate€safety€and€health€practicesÏand€determine€the€applicability€of€regulatory€limitationsÏprior€to€performing€this€test€method.Ìà œ à5.2€€Hazardous€Pollutants.€€Several€of€the€compounds,Ïleaks€of€which€may€be€determined€by€this€method,€may€beÏirritating€or€corrosive€to€tissues€(òòe.g.óó,€heptane)€or€may€beÐ >ä Ðtoxic€(òòe.g.óó,€benzene,€methyl€alcohol).€€Nearly€all€are€fireÐ ¨ Ðhazards.€€Compounds€in€emissions€should€be€determinedÏthrough€familiarity€with€the€source.€€AppropriateÏprecautions€can€be€found€in€reference€documents,€such€asÏreference€No.€4€in€Section€16.0.Ìòò6.0€€Equipment€and€Supplies.óó€€Ð Ö | Ðà œ àA€VOC€monitoring€instrument€meeting€the€followingÏspecifications€is€required:Ìà œ à6.1€€The€VOC€instrument€detector€shall€respond€to€theÏcompounds€being€processed.€€Detector€types€that€may€meetÏthis€requirement€include,€but€are€not€limited€to,€catalyticÏoxidation,€flame€ionization,€infrared€absorption,€andÏphotoionization.Ð 2-Ø&, Ðà œ à6.2€€The€instrument€shall€be€capable€of€measuring€theÏleak€definition€concentration€specified€in€the€regulation.Ìà œ à6.3€€The€scale€of€the€instrument€meter€shall€beÏreadable€to€ðð2.5€percent€of€the€specified€leak€definitionÏconcentration.Ìà œ à6.4€€The€instrument€shall€be€equipped€with€anÏelectrically€driven€pump€to€ensure€that€a€sample€is€providedÏto€the€detector€at€a€constant€flow€rate.€€The€nominal€sampleÏflow€rate,€as€measured€at€the€sample€probe€tip,€shall€be€Ï0.10€to€3.0€l/min€(0.004€to€0.1€ftòò3óó/min)€when€the€€probe€isÐ >ä Ðfitted€with€a€glass€wool€plug€or€filter€that€may€be€used€toÏprevent€plugging€of€the€instrument.Ìà œ à6.5€€The€instrument€shall€be€equipped€with€a€probe€orÏprobe€extension€for€sampling€not€to€exceed€6.4€mm€(1/4€in)Ïin€outside€diameter,€with€a€single€end€opening€for€admissionÏof€sample.Ìà œ à6.6€€The€instrument€shall€be€intrinsically€safe€forÏoperation€in€explosive€atmospheres€as€defined€by€the€ÏNational€Electrical€Code€by€the€National€Fire€PreventionÏAssociation€or€other€applicable€regulatory€code€forÏoperation€in€any€explosive€atmospheres€that€may€beÏencountered€in€its€use.€€The€instrument€shall,€at€a€minimum,Ïbe€intrinsically€safe€for€Class€1,€Division€1€conditions,Ð 2-Ø&, Ðand/or€Class€2,€Division€1€conditions,€as€appropriate,€asÏdefined€by€the€example€code.€€The€instrument€shall€not€beÏoperated€with€any€safety€device,€such€as€an€exhaust€flameÏarrestor,€removed.Ìòò7.0€€Reagents€and€Standards.óó€€Ð j  Ðà œ à7.1€€Two€gas€mixtures€are€required€for€instrumentÏcalibration€and€performance€evaluation:€€Ìà œ à7.1.1€€Zero€Gas.€€Air,€less€than€10€parts€per€millionÏby€volume€(ppmv)€VOC.Ìà œ à7.1.2€€Calibration€Gas.€€For€each€organic€species€thatÏis€to€be€measured€during€individual€source€surveys,€obtainÏor€prepare€a€known€standard€in€air€at€a€concentrationÏapproximately€equal€to€the€applicable€leak€definitionÏspecified€in€the€regulation.Ìà œ à7.2€€Cylinder€Gases.€€If€cylinder€calibration€gasÏmixtures€are€used,€they€must€be€analyzed€and€certified€byÏthe€manufacturer€to€be€within€2€percent€accuracy,€and€aÏshelf€life€must€be€specified.€€Cylinder€standards€must€beÏeither€reanalyzed€or€replaced€at€the€end€of€the€specifiedÏshelf€life.Ìà œ à7.3€€Prepared€Gases.€€Calibration€gases€may€beÏprepared€by€the€user€according€to€any€accepted€gaseousÏpreparation€procedure€that€will€yield€a€mixture€accurate€toÐ 2-Ø&, Ðwithin€2€percent.€€Prepared€standards€must€be€replaced€eachÏday€of€use€unless€it€is€demonstrated€that€degradation€doesÏnot€occur€during€storage.Ìà œ à7.4€€Mixtures€with€non„Reference€Compound€Gases.€ÏCalibrations€may€be€performed€using€a€compound€other€thanÏthe€reference€compound.€€In€this€case,€a€conversion€factorÏmust€be€determined€for€the€alternative€compound€such€thatÏthe€resulting€meter€readings€during€source€surveys€can€beÏconverted€to€reference€compound€results.Ìòò8.0€€Sample€Collection,€Preservation,€Storage,€andÐ >ä ÐTransport.óóÐ öœ Ðà œ à8.1€€€Instrument€Performance€Evaluation.€€Assemble€andÏstart€up€the€instrument€according€to€the€manufacturer'sÏinstructions€for€recommended€warmup€period€and€preliminaryÏadjustments.€Ìà œ à8.1.1€€Response€Factor.€€A€response€factor€must€beÏdetermined€for€each€compound€that€is€to€be€measured,€eitherÏby€testing€or€from€reference€sources.€€The€response€factorÏtests€are€required€before€placing€the€analyzer€into€service,Ïbut€do€not€have€to€be€repeated€at€subsequent€intervals.Ìà œ à8.1.1.1€€Calibrate€the€instrument€with€the€referenceÏcompound€as€specified€in€the€applicable€regulation.€€ÏIntroduce€the€calibration€gas€mixture€to€the€analyzer€andÐ -À&, Ðrecord€the€observed€meter€reading.€€Introduce€zero€gas€untilÏa€stable€reading€is€obtained.€€Make€a€total€of€threeÏmeasurements€by€alternating€between€the€calibration€gas€andÏzero€gas.€€Calculate€the€response€factor€for€each€repetitionÏand€the€average€response€factor.€€Ìà œ à8.1.1.2€€The€instrument€response€factors€for€each€ofÏthe€individual€VOC€to€be€measured€shall€be€less€than€10Ïunless€otherwise€specified€in€the€applicable€regulation.€ÏWhen€no€instrument€is€available€that€meets€thisÏspecification€when€calibrated€with€the€reference€VOCÏspecified€in€the€applicable€regulation,€the€availableÏinstrument€may€be€calibrated€with€one€of€the€VOC€to€beÏmeasured,€or€any€other€VOC,€so€long€as€the€instrument€thenÏhas€a€response€factor€of€less€than€10€for€each€of€theÏindividual€VOC€to€be€measured.Ìà œ à8.1.1.3€€Alternatively,€if€response€factors€have€beenÏpublished€for€the€compounds€of€interest€for€the€instrumentÏor€detector€type,€the€response€factor€determination€is€notÏrequired,€and€existing€results€may€be€referenced.€€ExamplesÏof€published€response€factors€for€flame€ionization€andÏcatalytic€oxidation€detectors€are€included€in€References€1„3Ïâ âof€Section€17.0.Ð n+%* Ðà œ à8.1.2€€Calibration€Precision.€€The€calibrationÏâ âprecision€test€must€be€completed€prior€to€placing€theÏanalyzer€into€service€and€at€subsequent€3„month€intervals€orÏat€the€next€use,€whichever€is€later.Ìà œ à8.1.2.1€€Make€a€total€of€three€measurements€byÏalternately€using€zero€gas€and€the€specified€calibrationÏgas.€€Record€the€meter€readings.€€Calculate€the€averageÏalgebraic€difference€between€the€meter€readings€and€theÏknown€value.€€Divide€this€average€difference€by€the€knownÏcalibration€value€and€multiply€by€100€to€express€theÏresulting€calibration€precision€as€a€percentage.Ìà œ à8.1.2.2€€The€calibration€precision€shall€be€equal€toÏor€less€than€10€percent€of€the€calibration€gas€value.Ìà œ à8.1.3€€Response€Time.€€The€response€time€test€isÏrequired€before€placing€the€instrument€into€service.€€If€aÏmodification€to€the€sample€pumping€system€or€flowÏconfiguration€is€made€that€would€change€the€response€time,€aÏnew€test€is€required€before€further€use.Ìà œ à8.1.3.1€€Introduce€zero€gas€into€the€instrument€sampleÏprobe.€€When€the€meter€reading€has€stabilized,€switchÏquickly€to€the€specified€calibration€gas.€€After€switching,Ïâ âmeasure€the€time€required€to€attain€90€percent€of€the€finalÐ n+%* Ðstable€reading.€€Perform€this€test€sequence€three€times€andÏrecord€the€results.€€Calculate€the€average€response€time.Ìâ âà œ à8.1.3.2€€The€instrument€response€time€shall€be€equalÏto€or€less€than€30€seconds.€€The€instrument€pump,€dilutionÏprobe€(if€any),€sample€probe,€and€probe€filter€that€will€beÏused€during€testing€shall€all€be€in€place€during€theÏresponse€time€determination.Ìà œ à8.2€€Instrument€Calibration.€€Calibrate€the€VOCÏmonitoring€instrument€according€to€Section€10.0.Ìà œ à8.3€€€Individual€Source€Surveys.Ìà œ à8.3.1€€Type€I€„€Leak€Definition€Based€onÏConcentration.€€Place€the€probe€inlet€at€the€surface€of€theÏcomponent€interface€where€leakage€could€occur.€€Move€theÏprobe€along€the€interface€periphery€while€observing€theÏinstrument€readout.€€If€an€increased€meter€reading€isÏobserved,€slowly€sample€the€interface€where€leakage€isÏindicated€until€the€maximum€meter€reading€is€obtained.€ÏLeave€the€probe€inlet€at€this€maximum€reading€location€forÏapproximately€two€times€the€instrument€response€time.€€IfÏthe€maximum€observed€meter€reading€is€greater€than€the€leakÏdefinition€in€the€applicable€regulation,€record€and€reportÏâ âthe€results€as€specified€in€the€regulation€reportingÐ n+%* Ðrequirements.€€Examples€of€the€application€of€this€generalÏtechnique€to€specific€equipment€types€are:Ìâ âà œ à8.3.1.1€€Valves.€€The€most€common€source€of€leaks€fromÏvalves€is€the€seal€between€the€stem€and€housing.€€Place€theÏprobe€at€the€interface€where€the€stem€exits€the€packingÏgland€and€sample€the€stem€circumference.€€Also,€place€theÏprobe€at€the€interface€of€the€packing€gland€take„up€flangeÏseat€and€sample€the€periphery.€€In€addition,€survey€valveÏhousings€of€multipart€assembly€at€the€surface€of€allÏinterfaces€where€a€leak€could€occur.Ìà œ à8.3.1.2€€Flanges€and€Other€Connections.€€For€weldedÏflanges,€place€the€probe€at€the€outer€edge€of€the€flange„¼gasket€interface€and€sample€the€circumference€of€the€flange.€ÏSample€other€types€of€nonpermanent€joints€(such€as€threadedÏconnections)€with€a€similar€traverse.Ìà œ à8.3.1.3€€Pumps€and€Compressors.€€Conduct€aÏcircumferential€traverse€at€the€outer€surface€of€the€pump€orÏcompressor€shaft€and€seal€interface.€€If€the€source€is€aÏrotating€shaft,€position€the€probe€inlet€within€1€cm€of€theÏshaft„seal€interface€for€the€survey.€€If€the€housingÏconfiguration€prevents€a€complete€traverse€of€the€shaftÏâ âperiphery,€sample€all€accessible€portions.€€Sample€all€otherÐ n+%* Ðjoints€on€the€pump€or€compressor€housing€where€leakage€couldÏoccur.Ìâ âà œ à8.3.1.4€€Pressure€Relief€Devices.€€The€configurationÏof€most€pressure€relief€devices€prevents€sampling€at€theÏsealing€seat€interface.€€For€those€devices€equipped€with€anÏenclosed€extension,€or€horn,€place€the€probe€inlet€atÏapproximately€the€center€of€the€exhaust€area€to€theÏatmosphere.Ìà œ à8.3.1.5€€Process€Drains.€€For€open€drains,€place€theÏprobe€inlet€at€approximately€the€center€of€the€area€open€toÏthe€atmosphere.€€For€covered€drains,€place€the€probe€at€theÏsurface€of€the€cover€interface€and€conduct€a€peripheralÏtraverse.Ìà œ à8.3.1.6€€Open„ended€Lines€or€Valves.€€Place€the€probeÏinlet€at€approximately€the€center€of€the€opening€to€theÏatmosphere.Ìà œ à8.3.1.7€€Seal€System€Degassing€Vents€and€AccumulatorÏVents.€€Place€the€probe€inlet€at€approximately€the€center€ofÏthe€opening€to€the€atmosphere.Ìà œ à8.3.1.8€€Access€door€seals.€€Place€the€probe€inlet€atÏthe€surface€of€the€door€seal€interface€and€conduct€aÏâ âperipheral€traverse.Ð n+%* Ðà œ à8.3.2€€Type€II€„€"No€Detectable€Emission".€€DetermineÏâ âthe€local€ambient€VOC€concentration€around€the€source€byÏmoving€the€probe€randomly€upwind€and€downwind€at€a€distanceÏof€one€to€two€meters€from€the€source.€€If€an€interferenceÏexists€with€this€determination€due€to€a€nearby€emission€orÏleak,€the€local€ambient€concentration€may€be€determined€atÏdistances€closer€to€the€source,€but€in€no€case€shall€theÏdistance€be€less€than€25€centimeters.€€Then€move€the€probeÏinlet€to€the€surface€of€the€source€and€determine€theÏconcentration€as€outlined€in€Section€8.3.1.€€The€differenceÏbetween€these€concentrations€determines€whether€there€are€noÏdetectable€emissions.€€Record€and€report€the€results€asÏspecified€by€the€regulation.€€For€those€cases€where€theÏregulation€requires€a€specific€device€installation,€or€thatÏspecified€vents€be€ducted€or€piped€to€a€control€device,€theÏexistence€of€these€conditions€shall€be€visually€confirmed.€ÏWhen€the€regulation€also€requires€that€no€detectableÏemissions€exist,€visual€observations€and€sampling€surveysÏare€required.€€Examples€of€this€technique€are:€Ìà œ à8.3.2.1€€Pump€or€Compressor€Seals.€€If€applicable,Ïdetermine€the€type€of€shaft€seal.€€Perform€a€survey€of€theÏlocal€area€ambient€VOC€concentration€and€determine€ifÏdetectable€emissions€exist€as€described€in€Section€8.3.2.Ð 2-Ø&, Ðà œ à8.3.2.2€€Seal€System€Degassing€Vents,€€AccumulatorÏVessel€Vents,€Pressure€Relief€Devices.€€If€applicable,Ïobserve€whether€or€not€the€applicable€ducting€or€pipingÏexists.€€Also,€determine€if€any€sources€exist€in€the€ductingÏor€piping€where€emissions€could€occur€upstream€of€theÏcontrol€device.€€If€the€required€ducting€or€piping€existsÏand€there€are€no€sources€where€the€emissions€could€be€ventedÏto€the€atmosphere€upstream€of€the€control€device,€then€it€isÏpresumed€that€no€detectable€emissions€are€present.€€If€thereÏare€sources€in€the€ducting€or€piping€where€emissions€couldÏbe€vented€or€sources€where€leaks€could€occur,€the€samplingÏsurveys€described€in€Section€8.3.2€shall€be€used€toÏdetermine€if€detectable€emissions€exist.Ìà œ à8.3.3€€€Alternative€Screening€Procedure.Ìà œ à8.3.3.1€€A€screening€procedure€based€on€the€formationÏof€bubbles€in€a€soap€solution€that€is€sprayed€on€a€potentialÏleak€source€may€be€used€for€those€sources€that€do€not€haveÏcontinuously€moving€parts,€that€do€not€have€surfaceÏtemperatures€greater€than€the€boiling€point€or€less€than€theÏfreezing€point€of€the€soap€solution,€that€do€not€have€openÏareas€to€the€atmosphere€that€the€soap€solution€cannotÏâ âbridge,€or€that€do€not€exhibit€evidence€of€liquid€leakage.€Ð n+%* ÐSources€that€have€these€conditions€present€must€be€surveyedÏusing€the€instrument€technique€of€Section€8.3.1€or€8.3.2.Ìâ âà œ à8.3.3.2€€Spray€a€soap€solution€over€all€potential€leakÏsources.€€The€soap€solution€may€be€a€commercially€availableÏleak€detection€solution€or€may€be€prepared€usingÏconcentrated€detergent€and€water.€€A€pressure€sprayer€orÏsqueeze€bottle€may€be€used€to€dispense€the€solution.€ÏObserve€the€potential€leak€sites€to€determine€if€any€bubblesÏare€formed.€€If€no€bubbles€are€observed,€the€source€isÏpresumed€to€have€no€detectable€emissions€or€leaks€asÏapplicable.€€If€any€bubbles€are€observed,€the€instrumentÏtechniques€of€Section€8.3.1€or€8.3.2€shall€be€used€toÏdetermine€if€a€leak€exists,€or€if€the€source€has€detectableÏemissions,€as€applicable.€Ìòò9.0€Quality€Control.óóÐ ¸ ÐÔ*`ƒ/0 dddd dd +,(#(#`ÔÔ,8dd ÔÔ,@ dd ÔÔ,¨ dd ÔÔ+  ÔÐ 3€-." Ê p €H€‚¨‚ƒƒ„„3ÐÓÓÌSectionÐ 2€-.!T"ú -. „„2ÐQuality€ControlÏMeasureÐ 2€-.!T"ú"-. „„2ÐÌEffectÐ C9!T"ú$ ¨ H -. €0€‚x‚ƒƒ„„CÐ8.1.2Ð  ¾#d% „„ÐInstrument€calibrationÏprecision€checkÐ )€.  $F' „„……)ÐEnsure€precision€andÏaccuracy,€respectively,Ïof€instrument€response€toÏstandardÌÐ [€.J2F'ì ,qq x 0 . €0€‚x‚ƒƒ„„[Ð10.0Ð 2€.!/&Õ-. „„2ÐInstrument€calibrationÌÌÐ &ó'™!0. ……&ÐÐ'·%]0 x 0   'ÐÌòòÓÓ10.0€€Calibration€and€Standardization.óóÐ Ç)m#1 Ðà œ à10.1€€Calibrate€the€VOC€monitoring€instrument€asÏfollows.€€After€the€appropriate€warmup€period€and€zeroÐ C-é&5 Ðinternal€calibration€procedure,€introduce€the€calibrationÏgas€into€the€instrument€sample€probe.€€Adjust€the€instrumentÏmeter€readout€to€correspond€to€the€calibration€gas€value.Ìà œ àò òNOTEó ó:€If€the€meter€readout€cannot€be€adjusted€to€theÐ ¦ L Ðproper€value,€a€malfunction€of€the€analyzer€is€indicated€andÏcorrective€actions€are€necessary€before€use.Ìòò11.0€€Analytical€Procedures.óó€€[Reserved]Ð öœ  Ðòò12.0€€Data€Analyses€and€Calculations.óó€€[Reserved]Ð º`  Ðòò13.0€€Method€Performance.óó€€[Reserved]Ð ~$ Ðòò14.0€€Pollution€Prevention.óó€€[Reserved]Ð Bè Ðòò15.0€€Waste€Management.óó€€[Reserved]Ð ¬ Ðòò16.0€€€References.óóÐ Êp Ðà œ à1.€€Dubose,€D.A.,€and€G.E.€Harris.€€Response€FactorsÏof€VOC€Analyzers€at€a€Meter€Reading€of€10,000€ppmv€forÏSelected€Organic€Compounds.€€U.S.€Environmental€ProtectionÏAgency,€Research€Triangle€Park,€NC.€€Publication€No.€EPAÏ600/2„81051.€September€1981.Ìà œ à2.€€Brown,€G.E.,€òòet€alóó.€€Response€Factors€of€VOCÐ V$ü" ÐAnalyzers€Calibrated€with€Methane€for€Selected€OrganicÏCompounds.€€U.S.€Environmental€Protection€Agency,€ResearchÏTriangle€Park,€NC.€€Publication€No.€EPA€600/2„81„022.€€MayÏâ â1981.Ð f+ %* Ðà œ à3.€€DuBose,€D.A.€òòet€alóó.€€Response€of€Portable€VOCÐ Z Ðâ âAnalyzers€to€Chemical€Mixtures.€€U.S.€EnvironmentalÏProtection€Agency,€Research€Triangle€Park,€NC.€€PublicationÏNo.€EPA€600/2„81„110.€€September€1981.Ìà œ à4.€€Handbook€of€Hazardous€Materials:€€Fire,€Safety,ÏHealth.€€Alliance€of€American€Insurers.€€Schaumberg,€IL.€Ï1983.Ìòò17.0€€€Tables,€Diagrams,€Flowcharts,€and€Validation€Data.óó€Ð ¶\  Ð[Reserved]