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CALTECH Environmental Laboratories <br />' 6814 Rosect ans Avenue N1,1111011nt_ CA 90723-3)146 <br /> Telephone (762) 272-2700 1 rix 062) 272-2781 <br />' QA/QC Report <br /> IMethod 82608 <br />' Matrix Water <br /> Date Analyzed 4/29/05 <br />' Date Extracted 4129105 <br />' Perimeters Conc ug/L Spike Recove % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 43 42 50 86 84 70-130 20 2 <br />' Benzene 44 47 50 88 94 70-130 20 6 <br /> Trichloroethene 45 46 50 90 92 70-130 20 2 <br /> Toluene 1 45 48 1 50 90 96 70-130 20 6 <br />' Chlorobenzene 46 46 50 92 92 70-130 20 0 <br /> m,2-Xylenes 86 89 100 86 89 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 u IL 1 <br /> Benzene ND u /L 0 5 <br /> Trichloroethene ND u /L 0 5 <br /> Toluene ND u IL 0 5 <br /> Chlorobenzene ND u /L 0 5 <br />' <br /> m,p-Xyienes ND u IL 0 6 <br /> MTBE ND u IL 1 <br /> TBA ND u L 10 <br />' DIPE ND u IL 1 <br /> ETBE ND u IL 1 <br /> TAME ND u IL 1 <br />' 1,2-Dichloroethane ND u IL 0 5 <br /> EDB ND u IL 0 5 <br /> Eth lbenzene ND u IL 0 5 <br />' o-X lene ND u /L 0 6 <br /> Ethanol ND u /L 50 <br /> • Methanol ND u IL 1000 <br /> IOTAI 1 Y DLDIC AI 1 1} 1 t} oji l omr R 5A1 Ir4AC" ION <br />