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paces <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> +Ir. Jim Brownell QUALITY CONTROL DATA July 23, 1993 <br /> Page 22 PACE Project Number: 430716521 <br /> Client Reference: Exxon 7-3330 (EE) <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 23014 <br /> Samples: 70 0115086 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) : - <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/kg wet 200 ND <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020M) - <br /> Benzene ug/kg wet 1 .0 NO <br /> Toluene ug/kg wet 1 .0 NO <br /> Ethylbenzene ug/kg wet 1 .0 NO <br /> Xylenes, Total ug/kg wet 1 .0 ND <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Pure Fuels, as Gasoline (EPA 8015M ugug g wet 200 1000 111% 106% 47c <br /> Benzene ug/kg wet 1 .0 40.0 107% 106% 0% <br /> Toluene ug/kg wet 1 .0 40.0 108% 106% 1% <br /> Ethylbenzene ug/kg wet 1.0 40.0 109% 106% 2% <br /> Xylenes, Total ug/kg wet 1 .0 120 109% 108% 0% <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato, CA 94949 <br /> TEL:415,883-6100 <br /> FAX: 415.883.2673 <br />