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CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue Pa:ariount CA 90723-3146 <br /> i O Telephone 1562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br />' Method 8260E <br />' Matrix Water <br /> Date Analyzed 11/18/03 <br /> 1 Units ug/L <br />' Perimeters LSC 1 CSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroethene 42 44 50 84 88 60-140 5 <br /> Benzene 46 46 50 92 92 60-140 0 <br /> Trichloroethene 51 52 50 102 104 60-140 2 <br /> Toluene 49 51 50 98 102 60-140 4 <br />' Chlorobenzene 49 50 50 98 100 60-140 2 <br /> m, -X lenes 108 114 100 108 114 60-140 6 <br /> 1• <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits APD <br />' 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br />' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br />' m,p-X lenes 0 70-130 <br /> 1 <br />' JOIALLY DI ACAI I D 1-0 CUSTOMER SATISFACTION <br />