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CALTECH Environmental Laboratories <br />' 68 14 Rosecrans Avenue, Parant, CA 90723-3146 <br /> . O Telemou <br /> P <br /> (562) 272-2700 Fay: (562) 272-2789 <br />' QA/QC Report <br />' Method: 8260B <br />' Matrix: Water <br /> Date Analyzed: 12/20/04 <br />' Date Extracted: 12/20/04 <br />' Perimeters Conc. u /L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec. RPD <br /> 1,1-Dichloroethene 47 49 50 94 98 70-130 20 4 <br />' Benzene 51 51 50 102 102 70-130 20 0 <br /> Trichloroethene 51 54 50 1 102 108 70-130 20 6 <br /> Toluene 54 55 50 108 110 70-130 20 2 <br /> I Chlorobenzene 54 53 50 108 106 70-130 20 2 <br /> m, -X lenes 118 1 108 100 118 1 108 70-130 20 10 <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 /> I Benzene ND u /L 0.5 <br /> Trichloroethene ND u /L 0.5 <br /> Toluene ND u /L 0.5 <br /> I 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 /> DIPE ND u /L 1 <br /> ETBE ND u /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 lbenzene ND u /L 0.5 <br /> o-X leve ND ug/L 0.6 <br /> Ethanol ND u /L 50 <br /> Methanol ND u /L1000 <br /> I <br /> TOTALLY DEDICATED TO CUSTOMER SATISFACTION <br />