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AL ECH Environmental Laboratories <br /> • <br /> 0814 Roset-iaw, AVCnIEC: pai�iniotrnt CA 90721-11 16 <br /> Telephone (562) 272-2700 k arc (ti62) 272-278Q <br /> QA/QC Report <br /> Method 8260E <br /> Matrix Water <br /> Date Analyzed 12/12/05 <br /> Date Extracted 12/12105 <br /> Perimeters Cone u IL Spike Recove % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 44 46 50 88 92 70-130 20 4 <br /> Benzene 48 50 50 96 100 70-130 20 4 <br /> Trichloroethene 50 51 50 100 102 70-130 20 2 <br /> Toluene 47 48 50 94 96 70-130 20 2 <br /> Chlorobenzene 47 49 50 94 98 70-130 20 4 <br /> m, -Xy1enes 98 103 100 98 103 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 IL 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 u IL 05 <br /> m,p-X lenes ND ug/L 0 6 <br /> MTBE* ND u /L 1 <br /> TBA ND u IL 10 <br /> DIPS ND u IL 1 <br /> ETRE 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 (benzene NDuglL 0 5 <br /> o-X ene ND u IL D 6 <br /> IOTAI I Y DLIA A711 D l U C IJSI'OMLR SATISFAC CION <br />