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CALTECH Environmental Laboratories <br /> n 6$]4 Rosecrans Avenue Pai amount CA 90?2 3-3146 <br /> �J Telephone (56�i 272-2700 fax (56-,) 272-�7h� <br /> 1 <br /> QA/QC Report <br /> Method 8260€ <br /> Matrix Water <br /> Date Analyzed 11/1/04 <br /> ' Units ug/L <br /> Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-Dschloroethene 44 45 50 88 90 60-140 2 <br /> Benzene 46 48 50 92 96 60-140 4 <br /> Trichloroethene 47 48 50 j 94 1 96 60-140 2 <br /> Toluene 48 48 50 96 96 60-140 1 0 <br /> Chlorobenzene 48 50 50 96 100 60-140 4 <br /> m,p-X lenes 96 10.4 100 96 104 60-140 8 <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-Dschloroethene 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 /> JO IAI.1 Y DLD1C A1-LD 10 C US I0MLR SATISFACTION <br />