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CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue Paramount CA 90723-3 146 <br /> ( � �J Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 11/19/04 <br />' Date Extracted 11/19/04 <br /> IPerimeters Conc q/L_ Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 43 45 50 86 1 90 70-130 20 4 <br /> Benzene 48 50 50 96 100 70-130 20 4 <br /> Trichloroethene 49 51 50 98 102 70-130 20 4 <br /> Toluene 1 49 51 50 98 102 70-130 20 4 <br /> Chlorobenzene 51 56 50 102 112 70-130 20 10 <br /> rn, -X Ienesi 09 114 100 109 114 70-130 1 20 4 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> IRPD 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, -X lenes ND u /L 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br /> DIPE ND u /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 /> Ethyl )enzene ND u /L 0 5 <br /> Io-X lene ND u /L 0 6 <br /> f� <br /> TOTALLY DEDICAFLD TO CUSTOMLR SATISFACTION <br />