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I <br /> CALTEcH Environmental Laboratories <br /> 6814 Rosecrans Avenue PalanlOUnt CA 90723-3146 O Telephone (562) 272-2700 Fay (56'_) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 7112105 <br /> Date Extracted 7112105 <br /> Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 45 45 50 90 90 70-130 20 0 <br />' Benzene 53 50 50 106 100 70-130 20 6 <br /> Trichloroethene 43 42 50 86 84 70-130 20 2 <br /> Toluene 43 44 50 86 88 70-130 20 2 <br />' Chlorobenzene 42 41 50 84 1 82 70-130 1 20 2 <br /> m,p-Xylenes 108 106 100 108 1 106 70-130 1 20 2 <br /> 0 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 IL 1 <br /> Benzene ND u /L 0 5 <br /> Trichloroethene ND ug/L 0 5 <br /> Toluene ND ug/L 0 5 <br /> Chlorobenzene ND uglL 115 <br /> m,p-Xylenes ND ug/L 0 6 <br /> MTBE ND ug/L 1 <br /> TBA ND uglL 10 <br /> DIPS ND uglL i <br /> ETBE ND uglL 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND ug/L 0 5 <br /> EDB ND ug/L 0 5 <br /> Eth (benzene ND ug/L 0 5 <br /> o-X lene ND ug/L 0 6 <br /> TCE ND ug/L 1 <br /> • PCE ND u IL 1 <br /> I <br /> ITOTALI Y DEDI(ATE I) R) C US`s OMLR SATISFACTION <br />