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MATRIX ENVIRONMENTAL LABORATORIES <br /> i <br /> ANALYSIS BTEX SPIKE SUMMARY <br /> CLIENT: SEACOR Environmental Engineering <br /> CONTACT: J. Clayton Date Sampled: N/A <br /> COC No: 4301 Date Received: N/A <br /> Project No: N0014 - 001 - 01 Date Extracted: N/A <br /> Sample ID: N/A Date of Analysis: 1/20/94 <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 /> BENZENE 2 . 1. 99 2 . 11 99% 106% 6% <br /> TOLUENE 2 . 2 . 03 2 . 18 102% 109% 70 <br /> ETHYL BENZENE 2 . 1. 96 2 . 14 98% 107% 9% <br /> TOTAL XYLENES 6. 6. 02 6. 65 1000 111% 10% <br /> LCS-- LABORATORY CON LRO-i SPIKE <br /> LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br />