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fT <br /> pace'g' <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> Mr. Bill Howell QUALITY CONTROL DATA January 18, 1994 <br /> Page 8 PACE Project Number: 440110500 <br /> Client Reference: BP Station # 11193/10-136-01-003 <br /> PURGEABL£ FUELS AND AROMATICS <br /> Batch: 70 27693 <br /> Samples: 70 0225850, 70 0225868, 70 0225876, 70 0225884, 70 0225892 <br /> 70 0225906 - <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> OTS AL T—UE-L 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 /> SPIKE AND SPIKE DUPLICATE: <br /> Spike <br /> Spike Dupl <br /> Parameter Units MDL 700226244 Spike Recv Recv RPD <br /> Purg- ea6le Fuels, as Gasoline (EPA 8015M ug/L 50 ND 1000 8761. 92% 5% <br /> Benzene ug/L 0.5 ND 40 95% 95% 0% <br /> Toluene ug/L 0. 5 ND 40 92% 91% 1% . <br /> Ethylbenzene ug/L 0.5 ND 40 86% 85% 1% <br /> Xylenes, Total ug/L 0.5 ND 120 91% 91% 0% <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Purg eeab eeab Fuels, as Gasoline (EPA 8015M ug/L 50 1000 97% 97% 0% <br /> Benzene ug/L 0.5 40 102% 98% 4% <br /> Toluene ug/L 0.5 40 102% 98% 4% <br /> Ethylbenzene ug/L 0.5 40 97% 95% 2% <br /> Xylenes, Total ug/L 0.5 120 104% 102% 1% <br /> 11 Digital Drive An Equal opportunity Employer <br /> Novato, CA 94949 <br /> TEL:415.863.6100 <br /> FAX:415-883.2673 <br />