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MATRIX ENVIRONMENTAL LABORATORIES <br /> ANALYSIS. TPH-GASOLINE SPIKE SUMMARY <br /> CLIENT: Western GEO Engineering <br /> CONTACT: G. Converse Date Sampled: N/A <br /> COC No: 4733 Date Received: N/A <br /> ProDect No: R 603 Date Extracted: N/A <br /> Sample ID: N/A Date of Analysis: 10/28/94 <br /> Lab ID: LCS/LCSD Matrix: WATER <br /> CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY <br /> ug/L LCS LCSD LCS LCSD RPD <br /> (ppb) <br /> GASOLINE 91 . 85 . 89 . 93% 98% 5% <br /> LCS= LABORATORY CONTROL SPIKE <br /> LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br />