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i ! <br /> CALTECH Environmental Laboratories <br /> ;i-c! it a 7'. _A 9,014. -3 i Q,' � <br /> } QA/QC Report <br /> Method: 8015M/8021 B <br /> Matrix: water <br /> 1 ` <br /> Date Analyzed: 2/13/02 <br /> Units: ug/L <br /> Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec. Rec. <br /> Benzene 40 41 50 80 82 70-130 2.5 <br /> Toluene 40 41 50 80 82 70-130 2.5 <br /> Eth benzene 43 44 50 86 88 70-130 2 <br /> Xylenes 126 129 150 84 86 70-130 2 <br /> TPN - Gasoline 541 494 500 108 99 60-140 8 <br /> TPH - Diesel 1243 1201 1000 124 120 60-140 3 <br /> 1 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> E <br /> i <br /> T OTALI.Y DEDICATED TO CUSTOMER SATISFAC T ION <br />