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CAL—TECH Environmental Laboratories <br /> O 6814 Rosecrans Avenue Paianiount CA 907/23-3 146 <br /> . Te€epl,one (562) 212-7700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br />' Matrix Soil <br /> Date Analyzed 4/22104 <br />' Units u9/K9 <br />' Perimeters LSC l LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br />' <br /> 1,1-Dichloroethene 45 45 50 90 90 60-140 0 <br /> Benzene 46 46 50 92 92 60-140 0 <br /> Tricnforoethene 50 1 52 50 100 104 1 60-140 4 <br /> Toluene 46 46 50 92 92 60-140 0 <br />' Chlorobenzene 45 44 50 90 88 60-140 2 <br /> m, -X lenes 84 88 100 84 88 60-140 4 <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 Penes 0 70-130 <br /> I <br /> 1 <br /> ITOTALLY DEDICATED CO CUSTOMER SATISFACTION <br />