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1 <br /> pace REPORT OF LABORATORY ANALYSIS <br /> THE ASSURsrCE 0, OUA LITy <br />% <br /> s Tracy Faulkner QUALITY CONTROL DATA January 10, 1994 <br /> Page 18 PACE Project Number 440103510 <br /> Client Reference. Exxon 7-3942 (EE) <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch 70 27579 <br /> Samples 70 0223342, 70 0223393 <br /> METHOD BLANK <br />' Method <br /> Parameter Units MDL Blank <br /> TOTAL U L 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 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 /> OParameter Units MDL Value Recv Recv RPD <br /> PurgeabTe Fuels, as Gasoline (EPA 8015M ug/L 50 1000 91% 101% 107. <br /> Benzene ug/L 0 5 40 101% 102% 0% <br /> Toluene ug/L 0 5 40 101% 102% 0% <br /> Ethylbenzene ug/L 0 5 40 96% 97% 1% <br /> Xylenes, Total ug/L 0 5 120 103% 104% 0% <br /> 6 <br />' 11 Digital Drive An Equal Opportunity Employer <br /> Novato CA 94949 <br /> TEL 415 883 6100 <br />' FAX 415 883 2673 <br />