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paces <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> teriames Jacobs QUALITY CONTROL DATA June 09, 1992 <br /> Page 24 PACE Project Number 420602502 <br /> Client Reference Exxon 7-3330 (CM) <br /> TPH GASOLINE/BTEX <br /> Batch 70 12829 <br /> Samples 70 0155142, 70 0155150, 70 0155169, 70 0155231, 70 0155240 <br /> 70 0155290 <br /> METHOD BLANK <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) - <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug/kg wet 200 ND <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020) - <br /> Benzene ug/kg wet 1 0 ND <br /> Toluene ug/kg wet 1 0 ND <br /> Ethylbenzene ug/kg wet 1 0 ND <br /> Xylenes, Total ug/kg wet 1 0 ND <br /> PORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Purgeage Fuels, as Gasoline (EPA 8015) ug/kgwet 200 301 121% 109% 10% <br /> Benzene ug/kg wet 1 0 40 0 95% 105% 10% <br /> Toluene ug/kg wet 1 .0 40 0 105% 114% 8% <br /> Ethylbenzene ug/kg wet 1 0 40 0 109% 121% 10% <br /> Xylenes, Total ug/kg wet 1 0 80 0 109% 120% 9% <br /> MDL Method Detection Limit <br /> ND Not detected at or above the MDL. <br /> RPD Relative Percent Difference <br /> I * <br /> 11 Digital Drive Offices Serving Minneapolis Minnesota Charlotte North Carolina An Equal Opportunity Employer <br /> Novato, CA 94949 Tampa Florida Asheville,North Carolina <br /> TEL 415 883 6100 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 />