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PNCace <br /> p A P 0 i1 ATE o REPORT 0F LABORATORY ANALYSIS <br /> '+E A55URA4CE OF 0U AllrY <br /> Ms. Laura Odenthal QUALITY CONTROL DATA October 06, 1992 <br /> Olge 5 PACE Project Number: 420928511 <br /> Client Reference: Exxon 7-0137 (EE) <br /> TPH GASOLINE/BTEX <br /> Batch: 70 15848 <br /> Samples: 70 0214033 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) : - <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 ND <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020M) - <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 /> 10 rgeable Fuels, as Gasoline (EPA 8015M ug/L 50 427 100% 100% 0% <br /> nzene ug/L 0.5 40.0 103% 99% 3% <br /> Toluene ug/L 0.5 40.0 95% 94% 1% <br /> Ethylbenzene ug/L 0.5 40.0 102% 102% 0% <br /> Xylenes, Total ug/L 0 5 80 0 107% 106% 0% <br /> MDL Method Detection Limit <br /> ND Not detected at or above the MDL. <br /> RPD Relative Percent Difference <br /> • 11 Digital Drive Offices Serving Minneapolis Mimieseta 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 Francisca California Pittsburgh Pennsylvania <br /> Kansas City Missouri Deriver Colorado <br /> Los Angeles California <br />