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CALTECH ECH Environmental Laboratories <br /> 0 ,c� 70' 71:x: _) _72-_789 <br /> QA/QC Report <br /> Method: 8015M/8021 B <br /> Matrix: Water <br /> Date Analyzed: 3/8/02 <br /> Units: ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec. Rec. <br /> TPH - Gasoline 500 542 500 100 108 60-140 8 <br /> TPH - Diesel 990 960 1000 99 96 60-140 3 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> I � <br /> STl iq :GTf F rrrn� <br />