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Dace.O R A 7 E 0 <br /> REPORT OF LABORATORY ANALYSIS <br /> I N C O R P <br /> THE A55URARCE OF OUAII TY <br /> r Tadd Galati QUALITY CONTROL DATA February 21, 1994 <br /> WM <br /> age 9 PACE Project Number 440214504 <br /> 4 <br /> Client Reference Exxon 7-3708 (EE) <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch 70 28353 <br /> Samples 70 0246270 <br /> METHOD BLANK. Method <br /> Parameter Units MDL Blank <br /> TOTAL HYDROCARBONS, (LIGHT) 50 ND <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L <br /> PURGEABLE AROMATICS (BTXE BY EPA 8020M) ug/L 0 5 ND <br /> Benzene <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 Spike <br /> Spike Dupl <br /> Parameter Units MDL 700245702 Spike Recv Recv RP <br /> Benzene ug/L U-5 1 7 40 98% 10I% 3 <br /> Toluene ug/L 0 5 3 3 40 95% 102% 7 <br /> Ethylbenzene ug/L 0 5 1 1 40 100% 102% 1 <br /> Xylenes, Total ug/L 0 5 21 120 99% 101% 2 <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE Reference Oupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Benzene ug/1- U-5 40 10 5% 108% 2 <br /> 0 5 <br /> ug/L 40 1019 104% 2 <br /> Toluene <br /> Ethylbenzene ug/L 0 5 40 102% 105% 2 <br /> ug/L 0.5 120 104% 107% 2 <br /> Xylenes, Total <br /> An Equai Opportunity Employer <br /> 11 O3grtal Orlve <br /> Novato CA 94949 <br /> TEL 415 883 6100 <br /> FAX 415 883 2673 <br />