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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avenue Paramount CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> ' <br /> QA/QC Report <br /> ' Method 8260B <br /> Matrix Water <br /> ' Date Analyzed 311105 <br /> Date Extracted 311105 <br /> I <br /> Perimeters Conc ug/L Spike Recover % Control Limits RPD <br /> 1 LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 43 45 50 86 90 70-130 20 4 <br /> Benzene 44 47 50 88 94 70-130 20 6 <br /> ' Trichloroethene 51 50 50 102 100 70-130 20 2 <br /> Toluene 45 47 50 90 94 70-130 20 4 <br /> Chlvrobenzene 49 1 51 50 98 102 70-130 20 4 <br /> ' m, -X lenes 87 1 89 100 87 89 70-130 20 2 <br /> ' LCS: Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> i 1 <br /> Perimeters Method Units Det <br /> ' Blank Limit <br /> 1,1-Dichloroethene ND u /L 1 <br /> Benzene ND u IL 0 5 <br /> Trichloroethene ND ug/L 0 5 <br /> Toluene ND ug/L 05 <br /> Chlorobenzene ND a IL 05 <br /> m, -X lenes ND u IL 06 <br /> MTBE ND u /L 1 <br /> TBA ND a /L 10 <br /> DIPS ND u&— 1 <br /> ' ETBE ND ug/L 1 <br /> TAME ND ug/L 1 <br /> 1,2-Dchloroethane ND u /L 05 <br /> EDB ND u /L 05 <br /> Eth (benzene ND u /L 05 <br /> o-X leve ND ug/L 06 <br /> TCE ND u /L 1 <br /> PCE ND ug/L 1 <br /> ' TOTALLY DEI)ICATED TO CUSTOMER SATISFACTION <br />