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aceo <br /> N C 0 R P O R A T E 0 REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF OUALITY <br /> * r. Bill Howell QUALITY CONTROL DATA October 19, 1993 <br /> age 10 PACE Project Number: 431008514 <br /> Client Reference: BP Station # 11193 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 25585 <br /> Samples: 70 0168970, 70 0168996, 70 0169003, 70 0169011, 70 0169020 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> OTS AL 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 NO <br /> Ethylbenzene ug/L 0.5 NO <br /> Xylenes, Total ug/L 0.5 NO <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 1000 107% 117% 8% <br /> Benzene ug/L 0.5 100 110% 119% 7% <br /> Toluene ug/L 0.5 100 109% 111% 1% <br /> Ethylbenzene ug/L 0.5 100 99% 101% 2% <br /> Xylenes, Total ug/L 0.5 300 107% 104% 2% <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato,CA 94949 <br /> TEL: 415-883.6100 <br /> FAX: 415.8832673 <br />