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CALTECH Environmental Laboratories <br /> 6814 Rosecrans Avenue, Paramount CA 90723-3146 <br /> . O Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 82606 <br /> Matrix Water <br /> Date Analyzed 5126105 <br />' Date Extracted 5126105 <br />' Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 48 47 50 96 94 70-130 20 2 <br />' Benzene 49 48 50 98 96 70-130 20 2 <br /> Trichloroethene 53 49 50 106 98 70-130 20 8 <br /> Toluene 53 52 50 106 104 70-130 20 2 <br />' Chlorobenzene 48 45 50 96 90 70-130 20 6 <br /> m,p-Xylenes 109 1 106 100 109 106 70-130 20 3 <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 ug/L 1 <br />' Benzene ND u IL 0 5 <br /> Trichloroethene ND u IL 0 5 <br /> Toluene ND ug/L 0 5 <br /> Chlorobenzene ND ug/L 0 5 <br />' m, -Xylenes ND u IL 0 6 <br /> MTBE ND uglL 1 <br /> TBA ND ug/L 10 <br />' DIPE ND u IL 1 <br /> ETBE ND ug/L 1 <br /> TAME ND ug/L- 1 <br />' 1,2-Dichloroethane ND u IL 0 5 <br /> EDB ND u IL 0 5 <br /> Ethylbenzene ND ug/L 0 5 <br />' o-Xyiene ND ug/L 0 6 <br /> TCE ND u IL 0 5 <br /> PCE ND u IL 0 5 <br /> 1 <br /> TOTALLY DEDIC xrED ro CUSTOMER SATISI~ACTION <br />