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a,*Ia, ,l"'_CA:+ ?AOCEDCRF5 FAR <br /> T ""-''_�.ON a.2dD QUA`7T_:-Ca.-AN OF TOTAL prT*RpI,c,UM <br /> HE DE Z_CT- <br /> rGE:a HYDRQC?uRHQt7S ?.N 1 =`SEL CON5I:'[3E:3 <br /> all_ be used <br /> ,rhe following aralyr Ca 1 grace'cat on sof apetroleum h:Iydro arbor <br /> 4 ant_f_ca .- <br /> for the detec__cn and qu re to be 'allowed when <br /> and fuel constwt1ents. These tec:^.n�ques a__ er a _- or <br /> analysis is zac.:•red for e..aluaticr.- Of r-t4� �lines.~ y These <br /> confirmed tank leak as presented n -the e g of petroleum fuel <br /> analytical techniques cover t:za ul to let fuel (Ci o'-C, 6) , to <br /> hydrocarbons f-om gasoline (C4 idl o)z solid atrix. rfetec�-on of <br /> diesel (C -C22) in ei.her a liqu <br /> i. <br /> complex hyd oc3rbon mixtures are best achieved D'using Gas <br /> Chromatograph w-th a Flame Ionization DetEctor ( /- <br /> x, O'rA .ETR Z =[ITxT� HvpFtGCaR30N5 e�NA�`�S=S <br /> Pcin='bydrocarbons7 <br /> ��to..amedsum-bow-nq- _ gasoline. This tec:uiiqua <br /> This includes rcDz.*-a "argmill aof y grade jet fuels. <br /> may also be ap_ - <br /> A. Samnle -eoarat�on <br /> 1, WaT <br /> 5030, <br /> Use EPA method 3020 Hwa s=ace ual SIJ-346,rEPA Aprild1984) . <br /> purge and ap, <br /> methanol extract'_c+n should be used in t; case <br /> of a <br /> where the sample is representative n aged <br /> Fuel, or it is des'red that the heavier ends of <br /> gasoline are to be extracted. <br /> 2. Soil <br /> 5030, <br /> [Ise EPA method 5024, Headspace or EPA Ae�1d1984) . <br /> purge and Trap, (EPA manual SW-846, p <br /> Hetnanol ex taction should be used in thane cases <br /> ntative of an <br /> where the sample is ret:zatethe heavier endsOf <br /> fuel, or it is desired <br /> . gasoline are to he extracted. <br /> B. na ysis <br /> 1. <br /> Chromatographic uel ger hydocans rbonsor detection thout to$TX <br /> petroleum <br /> distinction. <br /> Detector: Flame Iorization <br /> ft x 1/a" <br /> Column: 10 percent 52--2100 on 80.100 3_columns may also be <br /> glass supelcoport. Caoilla ave separation. <br /> --- - _used._as --a substitute to imp- _..__ _ _..._....._. <br /> en....at-3omL/ tin....- <br /> Gamier Gas: K_ Zog c <br /> Injector Temperature: 250 C <br /> - 2_1 <br />