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x s� <br /> � c <br /> IF <br /> Project Number. SF 1.175-Q .72 <br /> l Consursrt PrpjeM N."t". <br /> 203-175-3289 <br /> Contract Number: N46CV{=44-g.X <br /> �* wF&1,7 Number.. COMM <br /> 00342MRport�aus ate <br /> ` August 28.19W <br /> na <br /> �• Table 6 <br /> 1 REAGENT WATER SPIKE(WS)AND REAGENT WATER SPIKE DUPE_1CATE(WSD) <br /> RECOVERY AND RELATIVE PERCENT DIFFERENCE(RPD)REPORT <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Water <br /> EPA Method 8020/8015 <br /> J-2 Date of Analysis: 08/21/90 Units: vg/L <br /> Concentration WS.% WSD,� <br /> Analyte Added WS Result Recovery WSD Result Recovery <br /> Benzene 25 21.2 u5 20.9 EA <br /> j : <br /> Toluene 25 20.5 82 20.3 81 j <br /> ► = Ethylbenzene 25 21.2 85 20.9 84 <br /> Xylene tots! 75 68.6 91 1 68.2 91 <br /> i <br /> Acceptahility Um€ts1 <br /> I <br /> F <br /> Analyte RPD,9'o Maximum RPD,% %Recovery <br /> i <br /> 1 30 76-120 <br /> 1 30 72-117 <br /> + ene 1 30 73-123 <br /> X ene total 0 30 81 -125 <br /> 1 =Acceptability Ilmlts are derived from the 99%confidence interval of all samples during the <br /> previous quarter. <br /> i� <br /> f � <br /> _ l <br /> GTEL Concord,CA Page 7 of T <br /> f t COO&WLDOO <br /> GTE L <br /> e � LA1OeATO PI[S.IHC. - <br />