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Y <br /> Ct Ce <br /> t N t o e r o A A T t o a REPORT OF LABORATORY ANALYSIS <br /> THE ASSLIrIA NCE OF (ILIA LITY <br /> Ms Lisa Rainger QUALITY CONTROL DATA April 22, 1992 <br /> Page 12 PACE Project :*Dumber: 420212501 <br /> Client Reference Exxon 7-3708 <br /> TPH GASOLINE/BTEX <br /> Batch 70 09966 <br /> tSamples 70 0021677 <br /> t METHOD BLANK <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) - <br /> tPurgeable Fuels, as Gasoline (EPA 8015) ug/L 50 ND <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020) : <br /> Benzene ug/L 0.5 ND <br />' Toluene ug/L 0 5 ND <br /> Ethylbenzene ug/L 0.5 ND <br /> Xylenes, Total ug/L 0 5 ND <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value _ Recv Recv RPD <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug/L 50 261 110% 110% 0% <br />' Benzene ug/L 0 5 40 0 112% 106% 5% <br /> Toluene ug/L 0.5 40.0 112% 107% 4% <br /> Ethylbenzene ug/L 0.5 40 0 111% 106% 4% <br /> Xylenes, Total ug/L 0 5 80 0 112% 108% 3% <br /> 1 <br /> MDL Method Detection Limit <br />' RPD Relative Percent Difference <br /> 1 <br /> i <br /> 11 D1911al Drive Offices Serving Minneapolis,Minnesota Charlotte,North Carolina An Equal Opportunity Employer <br /> Novato CA 94949 Tampa,Florrda Asheville North Carolina <br />' TEL 415 883 61 go Iowa City Iowa New York,New York <br /> FAX 415 883 2673 San Francisco Califorma Pittsburgh,Pennsylvania <br /> Kansas City,Missouri Denver Colorado <br /> Los Angeles,California <br />