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1 <br /> MATRIX ENVIRONMENTAL LABORATORIES <br /> ' <br /> ANALYSIS I BTEX SPIKE SUMMARY <br /> ' CLIENT. Grayland Environmental <br /> CONTACT: J. Clayton Date Sampled: N/A <br /> ' COC No: 4245 Date Received: N/A <br /> Pro3ect No: 004 - 010 Date Extracted: 12/2/93 <br /> Sample ID: N/A Date of Analysis: 12/2/93 <br /> ' Lab ID: LCS/LCSD Matrix: SOIL <br /> CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVER_ Y <br /> ' mg/kg LCS LCSD LCS LCSD RPD <br /> ' BENZENE 1. 1. 20 1.17 120% 117% 2.. <br /> TOLUENE 1 1. 10 1 '08 110% 108% 2% <br /> ETHYL BENZENE 1. 1.04 .02 104% 102% o <br /> TOTAI XYLENES 3 . 3 . 12 1 .05 104% 102% 2 <br /> SURROGATE 'RECOTTER,: 1f 5% 1CO% ACCEPTABLE RANG <br /> ' 70% TO 1305. <br /> LCS= LXBORATOR Y CONTROL SPIKE <br /> ' LCSD= LABORATORY CONTROL SPIKE DUPLICATE <br /> RPD- RELATIVE' PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br /> 1 <br /> 1 <br />