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CALTECH Environmental Laboratories <br /> t 6814 Rosecr ans Avenue PaMMOUllt CA 90723-3146 <br /> • Telephone (562) 272-2700 Ear (562) 272-2789 <br /> QA/QC Report <br />' Method 82608 <br />' Matrix Water <br /> Date Analyzed 1014105 <br />' Date Extracted 1014105 <br />' Perimeters Conc ug/L Spike Recovery % Control Limits RPD -- <br /> LCS LCSD Added LCS LCSD Rec RPD <br />' 1,1-Dichloroe1hene 44 45 50 88 90 70-130 20 2 <br /> Benzene 48 48 50 96 96 70-130 20 0 <br /> Trichloroethene 50 51 50 100 102 70-130 20 2 <br /> Toluene 1 52 54 50 104 108 70-130 20 4 <br /> Chlorobenzene 1 46 47 5092 94 70-130 20 2 <br /> m,p-Xylenes 97 101 100 97 101 70-130 20 4 <br />' LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> I 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 ug/L 0 5 <br /> Toluene ND ug/L 0 5 <br /> Chlorobenzene ND u /L 0 5 <br /> m,p-Xylenes ND ug/L 0 6 <br /> MTBE ND ug/L 1 <br /> I TBA ND u /L 10 <br /> DIPE ND ug/L 1 <br /> ETBE ND ug/L 1 <br /> TAME ND ug/L 1 <br /> I 1,2-Dichloroethane ND ug/L 0 5 <br /> EDB ND ug/L 0 5 <br /> Eth (benzene ND ug/L 0 5 <br /> I o-X leve ND ug/L 0 6 <br /> TCE ND ug/L 0 5 <br /> PCE ND 49/L 05 <br /> I <br /> TO I,A1 1Y DEDICAI FD T() C 1JS"1 Oi11LR SATISFACTION <br />