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October 26, 3994 <br /> Sample Lag 10577 • . <br /> QC Report for EPA 602 & Modified EPA 801.5 <br /> From : ProjeCt 0 2307.04 (1444 Mariposa) <br /> Sample(S) Received : 1.0/21/94 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter $ Recovery $ Recovery RFD � <br /> Benzene 96 97 1 <br /> Ethylbenzene 101 100 1 <br /> TPH as Gasoline 103 106 3 <br /> * RPD - Relative Percent Difference <br /> Parameter Method Blank <br /> Benzene <0. 30 ug/L <br /> Toluene <0 .30 ug/L <br /> Ethylbenzene <0.30 ug/L <br /> Total xylenes <0950 uq/L <br /> TPH as Gasoline <50 ug/L <br /> i <br /> i <br /> I <br /> MSCrw 8etichwA <br /> senior CAsaia! <br />