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pacesREPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> r. Brady Nagle QUALITY CONTROL DATA March 29, 1993 <br /> age 7 PACE Project Number: 430316504 <br /> Client Reference: BP Station # 11192 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 19672 <br /> Samples: 70 0027772, 70 0027780, 70 0027802, 70 0027810 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> TUT—AL FUEL HYDROCARBONS, (LIGHT) : T - <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 NO <br /> Ethylbenzene ug/L. 0. 5 ND <br /> Xylenes, Total ug/L 0.5 ND <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> Iftarameter Units MDL Value Recv Recv RPD <br /> urgea a Fuels, as Gasoline (EPA 8015M ug/L 50 1000 100% 99 1% <br /> Benzene ug/L 0.5 40.0 88% 89% 1% <br /> Toluene ug/L 0.5 40.0 89% 89% 0% <br /> Ethylbenzene ug/L 0.5 40.0 90% 90% 0% <br /> Xylenes, Total ug/L 0.5 120 91% 92% 1% <br /> w <br /> 11 Oigital Drive An Equal Opportunity Employer <br /> Novato, CA 94949 <br /> TEL: 49 5.883-81110 <br /> FAX: 415.883.2673 <br />