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p1ace. <br /> C 0 to P 0 A A E E D <br /> REPORT OF LABORATORY ANALYSIS <br /> THE A$$URLAC1 pr 0U►LITT <br /> If Brady Nagle QUALITY CONTROL DATA January 08, 1992 <br /> Page 21 PACE Project Number 411230505 <br /> Client Reference Exxon 7-3708 <br /> TPH GASOLINE/BTEX <br /> Batch 70 08957 <br /> Samples- 70 0142482, 70 0142490, 70 0142504, 70 0142571 , 70 0142598 <br /> 70 0142628, 70 0142636, 70 0142717, 70 0142733 <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 8Y 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 /> ,BORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> PurgeabTe Fuels, as Gasoline (EPA 8015) ug g wet 200 326 T18% 111% 6% <br /> Benzene ug/kg wet 1 0 40 0 96% 98% 2% <br /> Toluene ug/kg wet 1 0 40.0 97% 99% 2% <br /> Ethylbenzene ug/kg wet 1 0 40.0 100% 101% 0% <br /> Xylenes, Total ug/kg wet 1 0 80.0 98% 99% 1% <br /> MDL Method Detection Limit <br /> ND Not detected at or above the MDL. <br /> RPD Relative Percent Difference <br /> 0 <br /> 11 Digital Drive Offices Serving MLnneapois Minnesota Charlotte North Carofrna An Equal opporwy Employer <br /> Novato CA 94949 Tampa Flonda Asheville North Caro4ina <br /> TEL 415 883 6100 Iowa City,Iowa Now York New York <br /> FAX 415 883 2673 San Francisca California Pittsburgh Pennsylvania <br /> Kansas City Missoun Denver Colorado <br /> _. A....sir r,1 4n n o <br />