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F <br /> GeoAnalytical Laboratories, Inca <br /> 1405 Kansas Avenue Phone (209) 572-0900 <br /> Modesto, CA 95351 FAX (209) 572-0916 <br /> B: <br /> QC REPORT <br /> t. <br /> Report# J316-07 Date: 11/16/98 r <br /> ' F <br /> Lab ID Dates Analyzed: 11/13/98 <br /> Thorpe Oil Method: 8020 <br /> PO Box 357 <br /> Lodi CA 95241-0357 <br /> Samples Analyzed: J22164,J22168,J22172,J22173,J22174 <br /> r <br /> Sample Spiked: ;2173 <br /> Analyte Matrix Spike, Matrix Spike Relative Blank <br /> %Recovery Dupl i catef% Percent <br /> Recovery Difference <br /> Benzene 95.5 96.2 0.7 ND <br /> Toluene 92.5 95.0 ' ;' 2.7 ND <br /> Ethvlbenzene93.1 93.8 ' OS ND I <br /> i <br /> Sylvia Krenn Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />