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pace. <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF UUALITY <br /> Mr. Bill Howell QUALITY CONTROL DATA October 01, 1993 <br /> Page 6 PACE Project Number: 430917508 <br /> Client Reference: BP Station # 11192 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 24933 <br /> Samples : 70 0155800, 70 0155819 <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 ND <br /> Toluene ug/L 0.5 ND <br /> Ethylbenzene ug/L 0.5 ND <br /> Methyl tent-Butyl Ether (MTBE) ug/L 5.0 ND <br /> Xylene (total ) ug/L 0. 5 ND <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupi <br /> Parameter Units MDL Value Recv Recv RPD <br /> Purgeab a Fuels, as Gasoline (EPA 8015M ug/L 50 1000 106% 953/. 10% <br /> Benzene Toluene ug/L 0.5 40 100% 96% 4% <br /> ug/L 0. 5 40 102% 93% 9% <br /> Ethylbenzene ug/L 0.5 40 105% 91% 14% <br /> Methyl tert-Butyl Ether (MTBE) ug/L 5.0 40 93% 92% 1% <br /> Xylene (total ) ug/L 0. 5 120 109% 95% 13% <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato, CA 94949 <br /> TEL:415.883.6100 <br /> FAX:415883.2673 <br />