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i <br /> r <br /> GeoAnal tical Laborator' <br /> y xes Inc. <br /> 1405 Kansas Avenue Phone (209) 572-0900 <br /> Modesto, CA 95351 FAX (209) 572-0916 <br /> QC REPORT i <br /> i� <br /> i <br /> Report# J343-18 Date: 12/18/98 <br /> Lab ID Dates Analyzed:, 12/14/98-12/15/98 <br /> .4 <br /> Wright Environmental Services, Inc. Method: 8020 <br /> 67 E 10th Street . <br /> Tracy CA 95376 <br /> Samples Analyzed: J22472,J22473,J22474,J22475,J22476,J22477,J22478,J22479,J22480,J22481,J22482,J22483, <br /> J22484 <br /> Sample Spiked: J22477 <br /> x <br /> '6 <br /> iy <br /> Analyte Matrix Spike Matrix Spike RPD Blank <br /> %Recovery Duplicate % <br /> Recovery <br /> �k <br /> Benzene 94.6 94.1 0.5 ND <br /> Toluene 91.4 88.8 2.8 ND <br /> Ethyl Benzene 93.1 93.4 0.3 ND <br /> Gasoline 94.4 94.5: 0.3 ND <br /> E: <br /> ; <br /> �4 <br /> 1� <br /> k <br /> Sy v4Krenn Donna Keller <br /> Chemist Certification # 1157 Laboratory Director " <br /> i <br />