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I <br /> CALTECH Environmental Laboratories <br />' <br /> F <br /> Rosecrans Avenue Paiamount CA 90723-3146 <br /> hone (562) 272-2700 Fax (562) 272-2789 <br />' QA/QC Report <br />' Method 8260B <br /> Matrix Water <br /> Date Analyzed 2/11/05 <br />' Date Extracted 2/11/05 <br />' Perimeters Conc- u /L Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 49 47 50 98 94 70-130 20 4 <br /> Benzene 51 50 50 102 100 70-130 20 2 <br /> Trichloroethene 50 46 50 1 100 92 70-130 20 8 <br /> Toluene 45 45 50 90 90 70-130 20 0 <br /> Chlorobenzene 46 49 50 92 98 70-130 1 20 6 <br /> m, -Xylenes 98 99 100 9$ 1 99 70-130 20 1 <br />' LCS Laboratory Control Standard <br /> LCSD Laboratory Control Staindard Duplicate <br /> RPD Relative Percent Differeince of LCS and LCSD <br /> Perimeters Method Units Det <br /> Blank Limit <br /> 1,1-Dichloroethene ND u /L 1 <br /> Benzene ND u /L 0 5 <br /> Trichloroethene ND u /L 0 5 <br /> Toluene ND u /L 0 5 <br /> Chlorobenzene ND ug/L 0 5 <br /> m, -Xylenes ND ug/L. 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br /> DIPE ND u /L 1 <br /> ETBE ND u /L 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND a /L 019 <br /> EDB ND u /L 0 5 <br /> Eth lbenzene ND u /L 0 5 <br /> o-X leve ND u /L 0 6 <br /> TCE ND ug/L 1 <br /> PCE ND u /L 1 <br /> TOTAI LY DLDICA] LD TO C USTOMER SATISI~ACTION <br />