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pacea <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE DF DUALITY <br /> Mr. Bill Howell QUALITY CONTROL DATA May 24, 1994 <br /> Page 17 PACE Project Number: 440513502 <br /> Client Reference: BP Site #11195 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 30612 <br /> Samples: 70 0320771, 70 0320828 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) : - <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 ND <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020M) <br /> Benzene ug/L 0.5 NO <br /> Toluene ug/L 0.5 ND <br /> Ethylbenzene ug/L 0.5 ND <br /> Xylenes, Total ug/L 0.5 NO <br /> SPIKE AND SPIKE DUPLICATE: <br /> Spike <br /> Spike Dupl <br /> Parameter Units MDL 700322693 Spike Recv Recv RPD <br /> Benzene ug/L 0.5 ND 100 110% 113% 3% <br /> Toluene ug/L 0.5 ND 100 106% 109% 3% <br /> Ethylbenzene ug/L 0.5 NO 100 107% 108% 1% <br /> Xylenes, Total ug/L 0.5 NO 300 107% 108% 1% <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Benzene ug/L 0.5 100 105% 108% 3% <br /> Toluene ug/L 0.5 100 104% 107% 3% <br /> Ethylbenzene ug/L 0.5 100 104% 107% 3% <br /> Xylenes, Total ug/L 0. 5 300 105% 108% 3% <br /> I 1 Digital Drive An Equal opportunity Employer <br /> Novato, CA 94949 <br /> TEL: 415-883.5100 <br /> FATS: 415-883-2673 <br />