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CALTECH Environmental Laboratories <br /> ' 6814 Rosecrans Avenue Pdlan'Ount CA 9p723-3146 i <br /> Telephone. (562) 272 2700 Fax (562) 272-2189 <br /> QA/QC Report <br /> Method 8260E <br /> Ma, ix Water <br /> Date Analyzed 412104 <br /> ' Units ug/L. <br /> ' Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Rec <br /> ' <br /> 1,1-Dichloroethene 49 51 50 98 102 60-140 4 <br /> Benzene 41 42 50 82 84 60-140 2 <br /> Tn,nloroethene 42 47 50 84 94 60-140 12 <br /> ' Toluene 44 48 50 88 96 60-140 9 <br /> Chlorobenzene 48 52 50 96 104 60-140 8 <br /> Lm, len 99 104 100 99 104 60-140 5 <br /> LCS Laboratory Control Standard <br /> ' LCSD Laboratory Control Standard Duplicate <br /> RP') 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 /> Chforobenzene 0 70-130 <br /> ' m,p-X lenes 0 70-130 <br /> 1 <br /> • <br /> O AI_I-Y 'N DICA ALD 1-0 CUSTOMER OMER SC,,TISFACTION <br /> i <br />