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acea <br /> I N C O R P O R A T E D REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF OUALITY <br /> Mr. Bill Howell QUALITY CONTROL DATA May 03, 1994 <br /> Wge 12 PACE Project Number: 440426512 <br /> Client Reference: BP Station # 11193/10-136-2-3 <br /> ' PURGEABLE FUELS AND AROMATICS _ <br /> Batch: 70 30030 <br /> Samples: 70 0310601, 70 0310644, 70 0310652, 70 0310660, 70 0310679 <br /> iMETHOD BLANK: <br /> Method <br /> ' Parameter Units MDL Blank <br /> TOTAL FUEL 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 Dpl <br /> fiWarameter Units MDL 700310920 Spike Recv Rcv RPD <br /> OPWBenzene ug/L 0.5 ND 100 92% � 5% 3% <br /> Toluene ug/L 0.5 ND 100 95% ^5% 0% <br /> ' Ethylbenzene ug/L 0.5 ND 100 88% 87% 1% <br /> Xylenes, Total ug/L 0.5 ND 300 94% 92% 2% <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% 96% 1% <br /> Toluene ug/L 0.5 100 102% 99% 3% <br /> Ethylbenzene ug/L 0.5 100 98% 91% 7% <br /> Xylenes, Total ug/L 0.5 300 103% 95% 8% <br /> ' 11 Digital Drive An Equal Opportunity Emptoyer <br /> Novato,CA 94949 <br /> ZEE:415-883-6100 <br /> ' FAX: 415-883-2673 <br />