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it <br /> CALTECH Environmental Laboratories <br /> 6$14 Rosecrans Avenue Paiamount CA 90723-3146 <br /> Telephone (562) 272-2700 fax (562) 272-2789 <br />' <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> IDate Analyzed 11/20/04 <br /> Date Extracted 11/20/04 <br />' Perimeters Conc u /L Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 45 48 50 90 96 70-130 20 6 <br /> Benzene 48 52 50 96 104 70-130 20 8 <br />' Trichloroethene 48 52 50 96 104 70-130 20 8 <br /> Toluene 51 54 50 102 108 70-130 20 6 <br /> Chlorobenzene 50 1 53 50 1 100 1 106 70-130 1 20 16 <br />' m,p-X lenes 109 118 100 109 118 70-130 20 8 <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 /L 0 5 <br /> Chlorobenzene ND u /L 0 5 <br />' m, -X lenes ND u /L 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br /> DIPS ND ug/L 1 <br />' ETBE ND ug/L 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND u /L 0 5 <br />' EDB ND u /L 0 5 <br /> Eth (benzene ND u /L 0 5 <br /> o-X lene ND u /L 0 6 <br /> TOTALLY DEDICATED FO CUSTOMER SATISFACTION <br />