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pacee REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE Of allALFTY <br /> Lasa Ra7nger QUALITY CONTROL DATA December 20, 1991 <br /> P e 4 PACE Project Number: 41.1216505 <br /> Client Reference: Exxon 7-3708 <br /> TPH GASOLINE/BTEX <br /> Batch: 70 08590 <br /> Samples 70 0135745, 70 0135753, 70 0135761 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> 0 NAAL FUEL HYDROCARBONS, (LIGHT) : - <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug/L 50 NO <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020) : - <br /> Benzene ug/L 0 5 NO <br /> Toluene ug/L 0.5 ND <br /> Ethylbenzene ug/L 0.5 NO <br /> Xylenes, Total ug/L 0 5 NO <br />_ABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE. <br /> Reference Dupl <br /> afar Units MDL Value Recv Recv RPD <br />�u ea a Fuels, as Gasoline (EPA 8015) ug/L 50 323 103% 103% 0% <br /> 3enzene ug/L 0.5 40.0 90% 104% 14% <br /> Foluene ug/L 0 5 40.0 90% 104% 14% <br /> thylbenzene ug/L 0 5 40 0 90% 103% 13% <br />(ylenes, Total ug/L 0 5 80.0 90% 103% 13% <br /> 10L Method Detection Limit <br /> ID Not detected at or above the MDL <br /> ZPD Relative Percent Difference <br /> • <br /> 11 Orgital pave Offices Serving Minneapolis Minnesota Charlotte North Carolina An Equal opportunity Employer <br /> Novato CA 94949 Tampa Florida Asheville,North Carolina <br /> TEL 415 883 61 a Iowa City Iowa New York New York <br /> FAX 415 883 2673 San Francisco California Pittsburgh Pennsylvania <br /> Kansas City Missouri Denver Colorado <br /> Los Angeles California <br />