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CALTECH Environmental Laboratories <br /> I68 14 R wet..i�iw, A%Lrl0r. llai.irrroiii i r1 907'1 11 16 <br /> CO) Telephow- {tiG?1 -172-21700 F,o, 1 ifs'1 '7'I-'7SO <br /> I QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 8124/05 <br />' Date Extracted 8/24/05 <br />' Perimeters Conc u IL Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 44 45 50 88 90 70-130 20 2 <br /> Benzene 48 51 50 96 102 70-130 20 6 <br /> Trichloroethene 47 50 50 94 100 70-130 20 6 <br /> Toluene 48 50 50 96 100 70-130 20 4 <br /> Chlorobenzene 45 47 50 90 94 70-130 1 20 4 <br /> m, -X lenes 93 9$ 100 93 98 70-130 1 20 5 <br /> I • 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 NO ug/L 1 <br /> Benzene ND a /L 0 5 <br /> Trichloroethene NO i ug/L 1 0 5 <br /> Toluene NO u /L 0 5 <br /> Chlorobenzene NO ug/L 0 5 <br /> m,p-X lenes ND u L 0 6 <br /> MTBE ND u /L 1 <br /> TBA NO u /L 10 <br /> DIPE ND u /L 1 <br /> ETBE ND u L 1 <br /> TAME NO u /L 1 <br /> 1,2-Dichloroethane NO u /L 0 5 <br /> EDB NO u /L 0 5 <br /> Eth (benzene NO u /L 0 5 <br /> o-Xylene NO u /L 0 6 <br /> TCE NO u /L 1 <br /> PCE ND u /L 1 <br /> I <br /> 100 AI I Y DI UICAI 1 1) 1 ()NII R 1)1\1 I`�I-AC 110N <br />