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CALTECH Environmental Laboratories <br /> . C814 Ro,,ecrans Avenue P,t1d111 LJnt C A 90723-3146 <br /> Telephonc (562) 272-2700 I-,i\ (562} 272-2789 <br /> QA/QC Report <br /> Method 82608 <br /> Matrix Water <br /> Date Analyzed 314105 <br /> Date Extracted 3/4/05 <br /> Perimeters Cone. u /L Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec. RPD <br /> 1,1-Dichioroethene 48 47 50 96 94 70-130 20 2 <br /> Benzene 50 49 50 100 98 70-130 20 2 <br /> Trichloroethene 52 50 50 104 100 70-130 20 4 <br /> Toluene 55 52 50 110 104 70-130 20 6 <br /> Chlorobenzene 52 50 50 104 100 70-130 20 4 <br /> m, -X lenes 106 98 100 106 98 70-130 20 8 <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 /> Tnchloroethene ND u /L 0 5 <br /> Toluene ND u /L 0 5 <br /> Chlorobenzene ND u /L 0 5 <br /> m, -X lenes ND u /L 0 6 <br /> MTBE ND u IL 1 <br /> TBA ND u /L 10 <br /> DIPS 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 lene ND ug/L 06 <br /> TCE ND u /L 1 <br /> PCE ND u /L 1 <br /> TOTALLY 1)I 1)l( AI-1A) I {l C LST{)MLIZ SATISFAXI ION <br />