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t <br /> CALTECH Environmental Laboratories <br /> 6814 Rosecrans Avenue Paramount CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 313105 <br />' Date Extracted 313105 <br />' Perimeters Conc ug/L Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 46 45 50 92 90 70-130 20 2 <br />' Benzene 46 47 50 96 94 70-130 20 2 <br /> Trichloroethene 52 50 50 1 104 100 70-130 20 4 <br /> Toluene 50 48 50 100 96 70-130 20 4 <br />' Chlorobenzene 51 48 50 102 96 70-130 1 20 6 <br /> m, -X lenes 101 96 100 101 1 96 70-130 1 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 ug/L 1 <br /> Benzene ND ug/L 05 <br /> Trichloroethene ND ug/L 05 <br /> Toluene ND ug/L 05 <br /> Chlorobenzene ND ug/L 05 <br />' m, -X lenes ND ug/L 06 <br /> MTBE ND u AL 1 <br /> TBA ND ug/L 10 <br /> 1 DIPE ND ug/L 1 <br /> ETBE ND ug/L 1 <br /> TAME ND ug/L 1 <br />' 1,2-Dichloroethane ND ug/L 05 <br /> EDB ND ug/L 05 <br /> Eth (benzene ND ug/L 05 <br /> o-X lene ND ug/L 06 <br />' TCE ND ug/L 1 <br /> PCE <br /> 1 <br /> TOTALLY DEDICATED TO C USTOMER SATISFACTION <br />