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CALTECH Environmental Labo-I atones <br /> 6814 Rosecrans 4venue Paramount C A 90721-z i 46 <br /> Telephone (562) 272-2700 F�,x {562) 272-2789 <br /> i <br /> QA/QC Report <br /> ' Method 82608 <br /> I ' Matrix Water <br /> Date Analyzed 412104 <br /> 1 Units ug/L <br /> ' Perimeters LCS LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 48 50 50 96 100 60-140 4 <br /> Benzene 49 52 50 98 102 60-140 4 <br /> Trichloroethene 44 48 50 88 96 60-140 9 <br /> Toluene 42 44 50 84 88 60-140 4 <br /> ' Chlorobenzene 49 51 50 96 102 60-140 6 <br /> m,p-X lenes 106 111 100 106 111 60-140 5 <br /> LCS Laboratory Control Standard <br /> ' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> Perimeters Blank Limas RPD <br /> ' 1,1-DEchloroethene 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 /> TOTALLY DI-DIC M-E I) "EU CUSTOMEP. SATISFACTION � <br />