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pac4rs <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE of OUAt ITT <br /> s. Lisa Rainger QUALITY CONTROL DATA February 28, 1992 <br /> Page 4 PACE Project Number. 420226503 <br /> 'Client Reference• Exxon 7-3708 <br /> TPH GASOLINE/BTEX <br /> Batch: 70 10237 <br /> 'Samples- 70 0029082, 70 0029090, 70 0029104 <br /> 'METHOD BLANK. <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) : <br /> Furgeable 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 /> tthylbenzene <br /> oluene ug/kg wet 1.0 ND <br /> ug/kg wet 1 .0 ND <br /> xylenes, Total ug/kg wet 1 .0 ND <br /> 0arameter <br /> BORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE. <br /> Reference Dupl Units MDL Value Recv Recv RPD <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug/kg wet 200 261 106% 107% 0% <br /> tenzene ug/kg wet 1.0 40 0 96% 99% 3% <br /> oluene ug/kg wet 1 .0 40.0 96% 99% 3% <br /> Ethylbenzene ug/kg wet 1 .0 40.0 97% 98% 1% <br /> �ylenes, Total ug/kg wet 1 0 80.0 97% 100% 3% <br /> DL Method Detection Limit <br /> PD Relative Percent Difference <br /> 1 1 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 6100Iowa City,Iowa New York.New York <br /> FAX 415 883 2673 San Francisco Calrfomra Pittsburgh Pennsylvania <br /> Kansas City,Missouri Denver Colorado <br /> I nc Annalns rAifrimia <br />