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CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue, ParanlOLlnt CA 90723-3 146 <br /> i • Telephone (562) 272-2700 ra\ (562) 272-2780 <br /> QA/QC Report <br />' Method 82608 <br />' Matrix Water <br /> Date Analyzed 6118104 <br /> Units ug/L <br />' Perimeters LCS LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroethene 44 45 50 88 90 60-140 2 <br /> Benzene 48 52 50 96 104 60-140 8 <br /> Trichloroethene 46 51 50 92 102 60-140 11 <br /> Toluene 49 48 50 98 96 60-140 2 <br /> Chlorobenzene 51 50 50 102 100 60-140 2 <br /> m, -X lenes 93 96 100 93 96 60-140 3 <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <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 /> rn,p-X lenes 0 70-130 <br /> 1 JOTAI_I Y DEDICAI LD ro CUSTOMER SATISFACTION <br />