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i <br /> GeoAnalytical Laboratories, Inc. <br /> • 1405 Kansas Avenue Phone (209) 572-0900 <br /> Modesto, CA 95351 FAX (209) 572-0916 <br /> QC REPORT <br /> i <br /> Report# J265-07 Date: 09/28/98 <br /> Lab ID Dates Analyzed: 09/25/98 <br /> American Geological Services Method: 8020 <br /> ' 14847 Mono Way <br /> Sonora CA 9537{1 <br /> Samples Analyzed: J34833,J34834,J34835,J34836,J34838 <br /> Sample Spiked: Blank Water <br /> Analyte Matrix Spike Matrix Spike Relative Blank <br /> % Recovery Duplicate %, Percent <br /> Recovery Difference ('%,) <br /> Benzene 93.6 91.8 1.9 ND <br /> Toluene 91.5 89.1 2.7 ND <br /> ' Ethyl Benzene 94.6 92.6 2.1 ND <br /> Gasoline 97.9 97.8 0.2 ND <br /> Sylvia Krenn Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />