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October � <br /> 13 199.3 <br /> Sample Log 7539 <br /> QC Report for EPA 8020 &, Modified, EPA .8015 <br /> From Project #- 2088.i,04 -Granite Construction. ' <br /> Sample(s) Received 09/ 29/93 <br /> T , Matrix Spike <br /> ` . :Matrix Spike Duplicate' <br /> Parameter Recovery , % Recovery RPD <br /> Benzene 113 100 12 , <br /> Ethylbenzene -1.15 113 2 <br /> TPH -as. Gasoline 88 84 5 <br /> * RPD Relative Percent Difference' k <br /> Parameter Method Blank <br /> Benzene <0.005 mg/kg '- <br /> Toluene <br /> g/kg Toluene <0 .005 mg/kg. <br /> Ethylbenzene <O. OQ5 mg/kg ` <br /> - Total Xylenes <0.005 mg/kg <br /> i TPH as Gasoline- <0.50 mg/kg <br /> - 1 <br /> . .. St a t Podolsky - <br /> Chemist <br /> Western Environmental Science& Technology 45133 County Road 32B Davis, GA 95616 .916753-9506- -. FAX: 916757-4652 _r <br /> v - <br />