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July 6, 1994 . <br /> Sample Lag 9773 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : 2738.01 ( 1.766 Monte Diablo) <br /> Sample(s) Received : 07/01/94 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter $ Recovery $ Recovery RPD <br /> Benzene 101 102 1 <br /> Ethylbenzene 101 104 3 <br /> TPH as Gasoline 95 95 1 <br /> * RPD = Relative Percent Difference <br /> Parameter Method Blank <br /> Ben2ene <0 . 30 ug/L • <br /> Toluene <0 . 30 ug/L <br /> Ethylbenzene <0 . 30 ug/L <br /> Total Xylenes <0.50 ug/L <br /> TPH as Gasoline <50 ug/L <br /> IS1CYw $J1YkhWli <br /> senior Chemet <br /> iNes(er.rr EnwrpnmgnlaJ Science 5 Technology • 45139 Ccunfy Road 329 • Davrs, CA 95516 916 753-9500 fAX 975 757 455' <br />