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i <br /> CALTECH Environmental Laboratories <br /> I6814 Rosecrans Avenue Paramount CA 90723-3146 <br /> • Telephone (562) 272-2700 Fax (562) 272-2789 <br /> I QA/QC Report <br />' Method 8260B <br /> IMatrix Water <br /> Date Analyzed 12/29/04 <br />' Date Extracted 12/29/04 <br />' Perimeters Conic to IL Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 43 44 50 86 88 70-130 20 2 <br />' Benzene 43 44 50 86 88 70-130 20 2 <br /> Trichloroethene 41 42 50 82 84 70-130 20 2 <br /> Toluene 46 48 50 92 96 70-130 20 4 <br />' Chlorobenzene 45 48 50 90 96 70-130 1 20 6 <br /> m, -X lenes 88 95 100 88 95 70-130 1 20 7 <br /> I 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 ug/L 0 5 <br /> Chlorobenzene ND ug/L 0 5 <br />' m, -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 /> ETBE ND u /L 1 <br /> TAME ND ug/L 1 <br />' 1,2-Dichloroethane ND u /L 0 5 <br /> EDB ND u /L 0 5 <br /> Eth (benzene ND u /L 0 5 <br /> o-X lene ND ug/L 0 6 <br />' Ethanol ND u /L 50 <br /> Methanol ND ug/L 100 <br /> 1 <br /> TOTAI LY DEDICATED 1-0 CUSTOMER SATISFACTION <br />