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r <br /> CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue Paiamount 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 12/6/04 <br />' Date Extracted 12/6/04 <br />' Perimeters Conc u IL Spike Recover % Control Limits RPD <br /> LCS LCSD Added (LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 49 51 50 98 102 70-130 20 4 <br /> Benzene 54 54 50 108 108 70-130 20 0 <br /> Trichloroethene 54 52 50 108 104 70-130 20 4 <br /> Toluene 55 52 50 110 104 70-130 20 6 <br />' Chlorobenzene 50 52 50 100 104 70-130 1 20 4 <br /> m,p-X lenes 117 118 100 117 118 70-130 1 20 1 <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 /L 1 <br />' Benzene ND u /L 0 5 <br /> Trichloroethene ND u /L 0 5 <br /> Toluene ND ug/L 0 5 <br /> Chlorobenzene ND u /L 0 5 <br />' m,p-X lenes ND u /L 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br />' D1PE ND u /L 1 <br /> ETBE ND u /L 1 <br /> TAME ND ug/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 leve ND u /L 0 6 <br /> IEthanol ND u /L 50 <br /> • Methanol ND ug/L 1000 <br /> I <br /> TOTALLY DLDICATLD TO CUSTOMEP, SATISFACTION <br />