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paceoREPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> • <br /> r James Jacobs QUALITY CONTROL DATA April 13, 1992 <br /> Page 26 PACE Project Number: 420406516 <br /> Client Reference- Exxon 7-3330 <br /> TPH GASOLINE/BTEX <br /> Batch: 70 11429 <br /> Samples: 70 0067812, 70 0067820 <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 NO <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020) : <br /> Benzene ug/kg wet 1.0 NO <br /> Toluene ug/kg wet 1 .0 NO <br /> Ethylbenzene ug/kg wet 1.0 ND <br /> Xylenes, Total ug/kg wet 1 .0 NO <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Ofteter Units MDL Value Recv Recv RPD <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug g wet 200 267 104% 98% ---S% <br /> Benzene ug/kg wet 1.0 40.0 105% 107% 1% <br /> Toluene ug/kg wet 1.0 40.0 104% 106% 1% <br /> Ethylbenzene ug/kg wet 1 .0 40 0 105% 106% 0% <br /> Xylenes, Total ug/kg wet 1 .0 80.0 103% 106% 2% <br /> MDL Method Detection Limit <br /> RPD Relative Percent Difference <br /> Do <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 />