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CALTECH Environmental Laboratories <br /> 6814O Rosecrans Avenae Paianiount CA 90723-3146 Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> I <br /> Method 8260E <br />' Matnx Water <br /> Date Analyzed 9115103 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroethene 43 42 50 86 84 60-140 2 <br /> Benzene 58 62 50 116 124 60-140 7 <br /> Trichloroethene 52 54 50 104 108 60140 4 <br /> Toluene 55 59 50 110 118 60-140 7 <br />' Chlorobenzene 52 57 50 104 114 60-140 10 <br /> m, -X lenes 106 109 50 106 109 60-140 1 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 />' m,p-X lenes 0 70-130 <br />' TOTALLY DENCATED TO CUSTOMER SATISFACTION <br />