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p'lace. <br /> REPORT OF LABORATORY ANALYSES <br />' 7HE ASSURANCE CF DUALITY <br /> Mr Hugh Miles QUALITY CONTROL DATA August 31 , 1993 <br /> Page 16 PACE Project Number* 430824506 <br /> Client Reference Exxon 7-3942 (EE) <br />' PURGEABLE FUELS AND AROMATICS <br /> Batch 70 24086 <br /> Samples 70 0138930, 70 0138949, 70 0138957, 70 0138965, 70 0138973 <br />' 70 0138981, 70 0138990, 70 0139007, 70 0139015, 70 0139023 <br /> 70 0139031 , 70 0139040 <br /> METHOD BLANK <br /> Method <br /> IParameter 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 ND <br /> Toluene ug/L 0 5 ND <br /> Ethylbenzene ug/L 0 5 ND <br /> Xylenes, Total ug/L 0 5 ND <br /> IVABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Purgea a Fuels, as Gasoline (EPA 8015M ug/L 50 1000 95% 95% 0 <br /> Benzene ug/L 0.5 40 0 100% 99% 1% <br /> Toluene ug/L 0 5 40 0 101% 94% 7% <br /> Ethylbenzene ug/L 0 5 40 0 104% 85% 20% <br /> Xylenes, Total ug/L 0 5 120 108% 89% 19% <br /> I <br /> I <br /> 11 Orgltal Drive <br /> Novato CA 04949 An Equal Opportunity Employer <br /> TEL 415 8836100 <br /> FAX 415 883 2673 <br />