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CALTECH Environmental Laboratories <br /> 6814 Rosecrans Avenue Paramount CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (502) 27-/-2-,18,) <br /> QA/QC Report <br /> Method 8260E <br /> ' Matrix Water <br /> Date Analyzed 4/1/04 <br /> ' Units ug/L <br /> ' Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br /> ' <br /> 1,1-Dichloroethene 41 44 50 82 88 60-140 7 <br /> Benzene 44 40 50 88 80 60-140 9 <br /> Trschloroethene 42 40 50 82 80 60-140 2 <br /> ' Toluene 45 43 50 90 86 60-140 4 <br /> Chlorobenzene 45 42 50 90 84 60-140 6 <br /> m,p-X lenes 83 82 100 83 82 60-140 4 <br />' i• <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 /> ' m,p-Xylenes 0 70-130 <br /> t <br /> TOTA 11 Y f-)PDT( Al H) To CI J'�T()M FR '�r,TTI�FAC 1 TON <br />