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i <br /> 4 <br /> f <br /> I <br /> E <br /> F CHEMTECH ANALYTICAL LABORATORIES <br /> ANALYSIS REPORT <br /> CLIENT: Trianale CONTACT: N . Chronis <br /> r Date Samples Received: 04-19-91 P .O . #: <br /> Date of Analysis: 04-22-91 CT ID: .1845 <br /> Lab ID: LCS; LCSD <br /> Matrix : Soil <br /> i <br /> e BTEX LABORATORY CONTROL SPIKE SUMMARY <br /> y RUN DATE: 04-22-91 ' <br /> CONC UNITS: m4/ka ( ppm ) <br /> SAMPLE SPIKED: LCS , LCSD-( 1845 ) <br /> UND----•----------___ -----=------ ERCENT—----------------- <br /> COMPOUND CONC CONC PERCENT � <br /> SPIKED MEASURED RECOVERY RPD <br /> LCS LCSD LCS LCSD <br /> BENZENE 1 .25 0 .76 0 .86 61%. 69% 12% <br /> TOLUENE 1 ..25 0.87 0 .98 70% 76% 11% <br /> I <br /> ETHYLBENZENE 1 .25 0 ..93 1 .06 74% 85% 14% <br /> 0%M/P-XYLENES 3 .75 2 .80 3 .20 75% 85%' 13%. <br /> LCS = Laboratory Control Spike <br /> LCSD = Laboratory Control Spike Dupl-icate <br /> RPD = Relative Percent Difference <br /> CONC = Concentration <br /> h <br />