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' pace* <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> s. Laura Odenthal QUALITY CONTROL DATA April 26, 1993 <br /> Page 7 PACE Project Number: 430412504 <br /> ' Client Reference 1399 E Yosemite, Manteca/83Z-161 <br /> PURGEABLE FUELS AND AROMATICS <br /> Batch 70 20573 <br /> Samples- 70 0047579, 70 0047587, 70 0047595, 70 0047609, 70 0047617 <br /> METHOD BLANK <br /> Method <br /> Parameter Units MDL Blank <br /> TOTAL FUEL 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 NO <br /> Ethylbenzene ug/L 0 5 NO <br /> ' Xylenes, Total ug/L 0 5 NO <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> D-arameter Units MDL Value Recv Recv RPD <br /> Purgeable Fuels, as Gasoline (EPA 8015M ug/L 50 10 To— -96% 94% 2% <br /> Benzene ug/L 0 5 40.0 88% 88% 0% <br /> Toluene ug/L 0 5 40.0 90% 88% 2% <br /> Ethylbenzene ug/L 0 5 40 0 88% 86% 2% <br /> Xylenes, Total ug/L 0 5 120 90% 88% 2% <br /> 1 <br /> ' 11 Digital Drive An Equal Opportunity Employer <br /> Novato CA 94949 <br /> TEL 415 093 6100 <br /> FAX 415 883 2673 <br />