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CALTEcH Environmental Laboratories <br /> Ro,,ec.taw, A�LIIH, I'm.tmomit CA 90723-11-16 <br /> Telephc7�ic (�62) 272-2700 <br />' <br /> QA/QC Report <br />' Method 82606 <br />' Matrix Water <br /> Date Analyzed 9124105 <br />' Date Extracted 9124105 <br />' Perimeters Conc ug/L Spike Recove % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 49 47 50 98 94 70-130 20 4 <br />' Benzene 56 54 50 112 108 70-130 20 4 <br /> Trichloroethene 55 52 50 110 104 70-130 20 6 <br /> Toluene 51 51 50 102 102 70-130 20 0 <br />' Chlorobenzene 58 54 50 116 1 108 70-130 1 20 8 <br /> m,p-Xylenes 110 103 100 110 1 103 70-130 1 20 7 <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-Drchloroethene ND u /L 1 <br />' Benzene ND u IL 0 5 <br /> Trichloroethene ND u IL 0 5 <br /> Toluene ND _u/L_ 0 5 <br />' Chlorobenzene ND u 1L 0 5 <br /> m,p-X enes 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 /L 1 <br /> 1,2-Dichloroethane ND u IL 0 5 <br /> EDB ND u /L 0 5 <br /> Eth (benzene ND u IL 0 5 <br /> o-Xylene ND u /L 0 6 <br /> TCE ND u IL 0 5 <br /> • PCE ND u IL 0 5 <br /> I <br /> TOTAI Uf DI [)I(`A1 I I) 10 C 1,1� f()M[ 1Z 5ATi4I ACI ION <br />