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1、METHOD5030CPURGE-AND-TRAPFORAQUEOUSSAMPLES1.0SCOPEANDAPPLICATION1.1Thismethoddescribesapurge-and-trapprocedurefortheanalysisofvolatileorganiccompounds(VOCs)inaqueoussamplesandwatermiscibleliquidsamples.Italsodescribestheanalysisofhighconcentrationsoilandwastesa
2、mpleextractspreparedinMethod5035.ThegaschromatographicdeterminativestepsarefoundinMethods8015and8021.ThemethodisalsoapplicabletoGC/MSMethod8260.Thefollowingcompoundshavebeenevaluatedusingthissamplepreparationtechnique:aCompoundCASNo.ResponseStabilityAcetone67-6
3、4-1pp/hthsAcetonitrile75-05-8ppndAcrolein(Propenal)107-02-8ppmsAcrylonitrile107-13-1pphsAllylalcohol107-18-6htndAllylchloride107-05-1cmst-Amylalcohol(TAA)75-85-4hthst-Amylethylether(TAEE)919-94-8c/htndt-Amylmethylether(TAME)994-05-8c/hthsBenzene71-43-2chsBenzyl
4、chloride100-44-7cndBis(2-chloroethyl)sulfide505-60-2ppndBromoacetone598-31-2ppndBromochloromethane74-97-5chsBromodichloromethane75-27-4cmsBromoform75-25-2chsBromomethane74-83-9chvsn-Butanol71-36-3htnd2-Butanone(MEK)78-93-3pphvst-Butylalcohol(TBA)75-65-0htndCarb
5、ondisulfide75-15-0pphvsCarbontetrachloride56-23-5chvsChloralhydrate302-17-0ppndChlorobenzene108-90-7chvsChlorodibromomethane124-48-1cndChloroethane75-00-3cms2-Chloroethanol107-07-3ppnd2-Chloroethylvinylether110-75-8clsChloroform67-66-3chs(continued)5030C-1Revis
6、ion3May2003aCompoundCASNo.ResponseStabilityChloromethane74-87-3chvsChloroprene126-99-8cndCrotonaldehyde4170-30-3ppnd1,2-Dibromo-3-chloropropane96-12-8ppms1,2-Dibromoethane106-93-4chsDibromomethane74-95-3chs1,2-Dichlorobenzene95-50-1chs1,3-Dichlorobenzene541-73-
7、1cms1,4-Dichlorobenzene106-46-7cmscis-1,4-Dichloro-2-butene1476-11-5cndtrans-1,4-Dichloro-2-butene110-57-6pplsDichlorodifluoromethane75-71-8chs1,1-Dichloroethane75-34-3chs1,2-Dichloroethane107-06-2chs1,1-Dichloroethene75-35-4chvscis-1,2-Dichloroethene156-59-4ch
8、strans-1,2-Dichloroethene156-60-5cms1,2-Dichloropropane78-87-5chs1,3-Dichloro-2-propanol96-23-1ppndcis-1,3-Dichloropropene10061-01-5clstrans-1,3-Dichloropropene10061-02-6cls
