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I <br /> CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue Paramount CA 90723-3146 ^ <br /> Felephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br />' Matrix Water <br />' Clate Analyzed 8/27/04 <br /> Units ug/L <br />' Perimeters LCS LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br /> I <br /> 1,1-Dichloroethene 45 46 50 90 92 60-140 2 <br /> Benzene 44 d8 50 88 96 60-140 10 <br /> Trichloroethene 43 45 50 86 90 60-140 4 <br />' Toluene 51 47 50 102 94 60-140 8 <br /> Chlorobenzene 47 49 50 94 1 98 60-140 4 <br /> m, -X ienes 107 111 1Cc 107 111 60-140 4 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> IPerimeters Blank Limits RPD <br /> 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m,p-Xyienes 0 70-130 <br /> I i <br /> I <br /> --n-r, r r v rlI--r,r/' %-rT-rl -rr\ f 4 c-r/1. ,r-n c ,-rrcr % r—rrr,�rr <br />