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i <br /> CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue Paramount 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 12/14/04 <br />' Date Extracted 12/14/04 <br />' Perimeters Conc u IL Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 47 46 50 94 92 70-130 20 0 <br /> Benzene 53 51 50 106 102 70-130 20 4 <br /> Trichloroethene 51 50 50 102 100 70-130 20 2 <br /> Toluene 53 52 50 106 104 70-130 20 2 <br /> Chlorobenzene 52 51 50 104 102 70-130 20 2 <br /> m, -Xylenes 113 118 100 113 118 70-130 20 5 <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 i u IL 0 5 <br /> Toluene ND u /L 0 5 i <br /> Chlorobenzene ND u /L 0 5 <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 IL 1 <br /> E-rgE Nn <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 leve ND ug/L 0 6 <br /> TCE ND ug/L 0 5 <br /> PCE ND uglL 0 5 <br /> TOTALI Y DEDICAI LIQ 10 CUS I OM CR SATISFACTION <br />