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07 <br /> October 15 , . 199 3 <br /> Sample Log 7510 r <br /> QC- Report for EPA 8020 & Modified EPA 8015 ' <br /> From Project # 2088.04 (Granite Construction-) ' .� . <br /> Sample(p) Received 09%24/93 <br /> --Matrix Spike., P <br /> k <br /> Matrix Spike Duplicate -- <br /> Parameter % Recovery % Recovery .RPD <br /> Benzene 99 107 8 <br /> Ethylbenzene 108 122 _ 12 <br /> TPH as Gasoline 98. 105 <br /> * RPD = Relative Percent Difference <br /> Parameter' Method Blank <br /> .Benzene ,<0 .005 m9/kg . <br /> Toluene. <0.005 mg/kg <br /> Ethylbenzene: <0 . 005 mg/kg <br /> Total Xylenes <0 .005 mg/kg <br /> -TPH as Gasoline <0 :50 mg/kg <br /> - Joel iff <br /> "- - Se"I ChTe <br /> emist - <br /> Western Environinent al-Science & Technology 45133 County-Poad 328 Davis, CA.95616 ..916 753-9500 FAX:916 757-4652 -- <br />