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CALTECH Environmental Laboratories <br /> 6814 Rosecrans Avenue PalanlOUnt CA 90723-3146 <br /> • Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 82608 <br /> Matrix Water <br /> Date Analyzed 1217104 <br /> Date Extracted 1217104 <br /> Perimeters Conc u /L Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 42 44 50 84 1 88 70-130 20 4 <br /> Benzene 46 48 50 92 96 70-130 20 4 <br /> Trichloroethene 48 47 50 96 94 70-130 20 2 <br /> Toluene 48 50 50 96 100 70-130 20 4 <br />' Chlorobenzene 47 49 50 94 98 70-130 1 20 4 <br /> m, -X lenes 92 98 100 92 98 70-130 1 20 6 <br />' LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br />' RPD Relative Percent Difference 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 ug/L 05 <br /> Toluene ND u /L 05 <br /> Chlorobenzene ND ug/L. 05 <br />' m,p-X lenes ND u /L 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br />' DIPE ND u /L 1 <br /> ETRE ND ug/L 1 <br /> TAME ND u /L 1 <br />' 1,2-Dichloroethane ND u /L 05 <br /> EDB ND u /L 05 <br /> Eth (benzene ND u /L 05 <br /> o-X lene ND ug/L 0 6 <br /> TCE ND u /L 05 <br /> PCE ND ug/L 05 <br /> TOTALLY DLDICAFED 170 CUS"I OMER SATISFACTION <br />