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t GeoAnalyticai Laboratories, Inc, <br /> 1405 Kansas Avenue Phone (209) 572-0900 <br /> Modesto, CA 95351 <br /> FAX (209) 572-0916 <br /> �i11 QC REPORT <br /> L <br /> r {` Report# J280-03 <br /> 11rr Date: 10/23/9$ <br /> Dates Analyzed: 10/12/98 <br /> American Geological Services Method: 8020 <br /> 14847 Mono Way <br /> Sonora CA 95370 <br /> Samples Analyzed: J21782,J21783,J21784,J21785,J21786,J21788,J21789,J21790,J21791,J21792,J21793,J21794,J21795, <br /> J21796,J21797 <br /> Sample Spiked: Organic Free Sand r <br /> S <br /> Analyte Matrix Spike'Y p e Matrix Spike RPD Blank <br /> %Recovery Duplicate % <br /> Benzene 96.5 94.7 1.8 ND <br /> Toluenei 95.5 93.4 2.2 ND <br /> Ethyl Benzene 100.5 97.1 3.4 ND <br /> Gasoline 95.3 90.5 5.2 ND <br /> f.r <br /> i <br />! f Sylvia Krenn Donna Keller <br />` Chemist Certification # 1157 -Laboratory Director <br />