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paces <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF ā¯‘OALITY <br /> ke <br /> James Jacobs QUALITY CONTROL DATA June 11 , 1992 <br /> Page 14 PACE Project Number 420604509 <br /> Client Reference: Exxon 7-3330 (CM) <br /> TPH GASOLINE/BTEX <br /> Batch- 70 13005 <br /> Samples 70 0156840, 70 0156858, 70 0156866, 70 0156882, 70 0156890 <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 /> Hketer Units MDL Value Recv Recv RPD <br /> Purgea6Te Fuels, as Gasoline (EPA 8015) ugug g wet 200 301 95% 927. 3% <br /> Benzene ug/kg wet 1 0 40 0 89% 94% 5% <br /> Toluene ug/kg wet 1 0 40 0 104% 110% 5% <br /> Ethylbenzene ug/kg wet 1 0 40 0 111% 118% 6% <br /> Xylenes, Total ug/kg wet 1 0 80 0 112% 118% 5% <br /> MDL Method Detection Limit <br /> RPD Relative Percent Difference <br /> 11 Digital Drive Offices Serving Minneapolis,Minnesota Charlotte North Carolina An Equal Opportunity Employer <br /> Novato CA 94949 Temps Florida Asheville North Carolina <br /> TEL 416 803 6188 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 />