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pacee <br /> C 9 R P D R A T E D REPORT OF LABORATORY ANALYSIS <br /> ' ASSURANCE of QUALITY <br /> Mr. Bill HowellQUALITY CONTROL DATA May 03, 1994 <br /> cage 11 PACE Project Number: 440426512 <br /> ' Client Reference: BP Station # 11193/10--136-2-3 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch: 70 29964 <br /> Samples: 70 0310610, 70 0310628, 70 0310636 <br /> ' METHOD BLANK AND SAMPLE DUPLICATE: <br /> Duplicate <br /> Method of <br /> ' Parameter Units MDL Blank 700308887 70 0308887 RPD <br /> TOTAL FUEL HYDROCARBONS, (LIGHT) : - - NC <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 ND ND ND NC <br /> ' PURGEABLE AROMATICS (BTXE BY EPA 8020M) - - - NC <br /> Benzene ug/L 0.5 ND ND ND NC <br /> Toluene ug/L 0.5 ND NO ND NC <br /> ' Ethylbenzene ug/L 0.5 ND ND ND NC <br /> Xylene (total) ug/L 0.5 ND ND ND NC <br /> SPIKE AND SPIKE DUPLICATE: <br /> Spike <br /> Spike Dupl <br /> I*Parameter Units MDL 700308879 Spike Recv Recv RPD <br /> Benzene ug/L 0.5 ND 100 80% 94% 16% <br /> ' Toluene ug/L 0.5 ND 100 84% 99% 16% <br /> Ethylbenzene ug/L 0.5 ND 100 81% 95% 16% <br /> Xylene (total ) ug/L 0.5 ND 300 86% 100% 15% <br /> ' LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Benzene ug/L 0.5 100 100% 98% 2% <br /> Toluene ug/L 0.5 100 106% 102% 4% <br /> ' Ethylbenzene ug/L 0.5 100 101% 98% 3% <br /> Xylene (total ) ug/L 0.5 300 106% 102% 4% <br /> II <br /> 1 <br /> ' 11 Digital Drive An Equal Opportunity Employer <br /> Novato, CA 94949 <br /> TEL:415-8836100 <br /> ' FAX: 415-883-2673 <br />