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CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue <br /> Paramount CA 90723-3146 <br /> O Tele <br /> P <br /> (562) 272-2700 Fn\ (562) 272-2789 <br />' QA/QC Report <br /> Method 82606 <br />' Matrix Water <br /> Date Analyzed 5118105 <br />' Date Extracted 5118105 <br />' Perimeters Conc ug/L__ Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 56 53 50 112 106 70-130 20 6 <br />' Benzene 47 50 50 94 100 70-130 20 6 <br /> Trichloroethene 45 47 50 90 94 70-130 20 4 <br /> Toluene 50 55 50 100 110 70-130 20 10 <br />' Chlorobenzene 55 61 50 110 1 122 70-130 1 20 12 <br /> m,p-Xylenes 115 1 121 100 115 1 121 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 ug/L. 1 <br />' Benzene ND ug/L 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,p-Xyienes ND ug/L 0 6 <br /> MTBE ND ug/L 1 <br /> TBA ND u IL 10 <br /> I DIPE ND u IL 1 <br /> ETBE ND ug/L 1 <br /> TAME ND u IL 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 leve ND uq/L 0 6 <br /> TCE ND u IL 1 <br /> PCE ND i IL 1 <br /> Ethanol ND u IL 1 <br /> I <br /> I <br /> 7()IALLYDLD1CATL C) fUttJS`] OI\IERSATISFAC TION <br />