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CALTECH Environmental Laboratories <br /> O68 14 Rosecrans Avenue Pai anIOUnt CA 90723-3146 <br /> Telephone (562) 272-2700 [-a,, (562) 272-2789 <br /> QA/QC Report <br /> Method 8015M /8021 B <br />' Matrix Water <br />' Date Analyzed 3111104 <br /> Units ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' Benzene _ 43 47 50 86 94 70-130 9 <br /> Toluene 44 48 50 88 96 70-130 9 <br /> Eth benzene 49 52 50 98 104 70-130 6 <br /> Xylenes 128 148 150 85 1 70-130 16 <br /> TF - Gasoline 1003 1 1061 1000 100 106 60-140 6 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Cor rol Standard Duplicate <br /> RPD Relative Percern ;difference of LCS and LCSD <br /> 1 <br /> 1 <br /> t <br /> 1 <br /> • <br /> TOTALLY DEDICAI-F-D TO CUSTOMER SATISFACTION <br />