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pacee <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br />' Mr James Jacobs QUALITY CONTROL DATA January 27, 1992 <br /> Page 2 PACE Project Number- 420121509 <br /> Client Reference- Exxon 7-3330 <br />' TPH GASOLINE/BTEX <br /> Batch 70 09371 <br />' Samples- 70 0007534 <br />' METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) _ <br /> Purgeable 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 /> Purgea a Fuels, as Gasoline (EPA 8015) ug/L 50 349 112% 93% 18% <br />' Benzene ug/L 0 5 40 0 102% 97% 5% <br /> Toluene ug/L 0 5 40 0 102% 97% 5% <br /> Ethylbenzene ug/L 0 5 40 0 101% 96% 5% <br /> Xylenes, Total ug/L 0 5 80.0 101% 96% 5% <br /> 1 <br /> MDL Method Detection Limit <br />' RPD Relative Percent Difference <br /> I <br /> I <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 />