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paces <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF 00ALITY <br /> Spr. Bill Howell QUALITY CONTROL DATA August 05, 1994 <br /> age 13 PACE Project Number: 440729518 <br /> Client Reference: BP Site #11193/10--136-03/001 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 32564 <br /> Samples: 70 0362911, 70 0362920, 70 0362938 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> OT TAFFUEL HYDROCARBONS, (LIGHT) : - <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 NO <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020M) - <br /> Benzene ug/L 0.5 NO <br /> Toluene ug/L 0. 5 ND <br /> Ethylbenzene ug/L 0.5 ND <br /> Xylenes, Total ug/L 0.5 NO <br /> SPIKE AND SPICE DUPLICATE: <br /> Spike <br /> Spike Dupl <br /> Parameter Units MDL 700363004 Spike Recv Recv RPD <br /> Benzene ug/L 0.5 NO 100 108% 106% 20% <br /> Toluene ug/L 0.5 ND 100 97% 97% 0% <br /> Ethylbenzene ug/L 0.5 NO 100 88% 89% 1% <br /> Xylenes, Total ug/L 0.5 NO 300 89% 89% 0% <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Benzene ug/L 0.5 100 97% 100% 3% <br /> Toluene ug/L 0.5 100 94% 96% 2% <br /> Ethylbenzene ug/L 0.5 100 91% 92% 1% <br /> Xylenes, Total ug/L 0.5 300 95% 96% 1% <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato. CA 94949 <br /> TEU 415883-6100 <br /> FAX: 415883-2573 <br />