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99/23/199816:83 5728916 ' GECANALVTICAL I9 PAGE 14yi +` <br /> ' r <br /> GeoAnalytical Laboratories, Inc. <br /> ' 1405 Kansas Avenue Phone (209) 572-0900 <br /> Modesto, CA 95351 FAX (209) 572-0916 <br /> QC REPORT <br /> ' Report# J252-14 Date: 9/16/98 <br /> Ub ID Dates Analyzed: 9/14/98 <br /> Wright Environmental Services, Inc. Method: 8420 <br /> 67 E 10th Street <br /> Tracy CA 95376 <br /> Samples Analyzed: J21627,J21628 <br /> Sample Spiked: J21608 <br /> Analyte Matrix Spike Matrix Spike Relative Blank <br /> Recovery Duplicate % Percent <br /> Recovery Difference(9a) <br /> Benzene 97.9 95.0 3.0 ND <br /> Toluene 94.6 91.7 3.1 ND <br /> Ethvl Benzene 973 95.0 2.3 ND <br /> Gasoline 98.3 100.2 1.4 ND <br /> Sylvia Krettn Donna Keller <br /> Chemist Cerii:canon 0 lli? Laboratory Director <br />