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pace,C O A P Q R A 7 E 0 <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> Mr. Jim Brownell QUALITY CONTROL DATA September 17, 1993 <br /> Page 7 PACE Project Number: 43090951^ <br /> Client Reference: Exxon 7-3330 (EE) <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 24590 <br /> .Samples: 70 0149002 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> TO AL FUEL HYDROCARBONS, (LIGHT) : - <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 NO <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 /> Methyl tert-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 Dupl <br /> Parameter Units MDL Value Recv Recv RP', <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 1000 92% 82% 1 <br /> Benzene ug/L 0.5 40.0 92% 89% <br /> Toluene ug/L 0.5 40.0 88% 87% <br /> Ethyl benzene ug/L 0.5 40.0 85% 85% C <br /> Methyl tert-Butyl Ether (MTBE) ug/L 5.0 40.0 90% 88% Z <br /> Xylene (total ) ug/L 0.5 120 89% 89% C <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato, CA 94949 <br /> TEL"415-883.6100 <br /> FAX:415.883.2673 <br />