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f y iy <br /> paces <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> teroames Jacobs QUALITY CONTROL DATA June 09, 1992 <br /> Page 26 PACE Project Number 420602502 <br /> Client Reference Exxon 7-3330 (CM) <br /> TPH GASOLINE/BTEX <br /> Batch. 70 12953 <br /> Samples. 70 0155258 <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 /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br />*meter Units MDL Value Recv Recv RPD <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug g wet 200 301 109% 103% 5% <br /> Benzene ug/kg wet 1 0 40 0 93% 93% 0% <br /> Toluene ug/kg wet 1 0 40 0 106% 106% 0% <br /> Ethylbenzene ug/kg wet 1 0 40 0 113% 113% 0% <br /> Xylenes, Total ug/kg wet 1.0 80 0 113% 113% 0% <br /> MDL Method Detection Limit <br /> ND Not detected at or above the MDL. <br /> RPD Relative Percent Difference <br /> li <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 5100 Iowa City,iowe New York New York <br /> FAX 415 883 2673 San Francisco California Pittsburgh Pennsylvania <br /> Kansas City Missouri Denver,Colorado <br /> Las Angeles California <br />