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pace. REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> . Doug Oram QUALITY CONTROL DATA August 21 , 1992 <br /> Page 15 PACE Project Number 420814512 <br /> Client Reference Exxon 7-3942 (EE) <br /> TPH GASOLINE/BTEX <br /> Batch 70 14875 <br /> Samples 70 0195608, 70 0195616, 70 0195624, 70 0195632, 70 0195640 <br /> 70 0195659, 70 0195667, 70 0195705 <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 /> BORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference DuPI <br /> arameter Units MDL Value Recv Recv RPD <br /> Purgeab a Fuels, as Gasoline (EPA 8015) ug/L 50 398 96% 94% 2% <br /> Benzene ug/L 0 5 40 0 97% 96% 1% <br /> Toluene ug/L 0 5 40 0 96% 96% 0% <br /> Ethylbenzene ug/L 0 5 40 0 94% 95% 1% <br /> Xylenes, Total ug/L 0 5 80 0 93% 94% 1% <br /> MDL Method Detection Limit <br />' RPD Relative Percent Difference <br /> 11 Digital Orlve Dfftces Serving Minneapo8s Minnesota Charlotte North Carolina An Equal Opportundy Employer <br /> Novato CA 94949 Tampa Florida Asheville North Carolina <br />' TEL 415 883 6100 tows Crty Iowa New York New York <br /> FAX 415 883 2673 San Francisco Califomra Pittsburgh Pennsylvania <br /> Kansas City Missouri Denver Colorado <br /> Los Angeles Cahlornia <br />