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CALTECH Environmental Laboratories <br />' Rosecrans Avenue, Pai aniount CA 90723-3146 <br /> O T6814 elephone (562) 272-2700 Far (562) 272-2789 <br />' QA/QC Report <br />' Method 8260E <br /> Matrix Water <br /> Date Analyzed 12/20/04 <br />' Date Extracted 12/20/04 <br />' Perimeters Conc u IL Spike Recover % 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 50 102 108 70-130 20 6 <br /> Toluene 54 55 50 108 110 70-130 20 2 <br />' Chlorobenzene 54 53 50 108 106 70-130 1 20 2 <br /> m, -X lenes 118 108 100 118 108 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 /> t Perimeters Method Units Det <br /> Blank Limit <br /> 1,1-Dichloroethene ND ug/L. 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 05 <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 ug/L. 1 <br /> ETRE ND ug/L 1 <br /> TAME ND u /L 1 <br />' 1,2-Dichloroethane ND u /L 0 5 <br /> EDB ND a /L 0 5 <br /> Eth (benzene ND u /L 0 5 <br />' o-X lene ND u /L 0 6 <br /> Ethanol ND ug/L 50 <br /> . Methanol ND u /L 1000 <br /> TOTALLY DEDICAFLD TO CUSTOMER SATISFACTION <br />