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f <br /> CHEMTECH ANALYTICAL LABORATORIES i <br /> ANALYSIS REPORT <br /> CLIENT: Western Geo .,CONTACT: G. Converse r <br /> Date Samples Received: 04-04-91 P.O. #: ! - <br /> Date of Analysis: 04-04-91 CT 1D: 1807 <br /> Lab ID: LCS, LCSD <br /> Matrix: Water F <br /> t <br /> TFH LABORATORY CONTROL SPIKE SUMMARY <br /> RUN DATE 04-04-91 <br /> CONC UNITS mg/L (ppm ) <br /> SAMPLE SPIKED: LCS, LCSD-1807. <br /> -------------------------------------------------------- <br /> COMPOUND CONC CONC PERCENT X <br /> SPIKED MEASURED RECOVERY RPD <br /> ------ LCS LCSD LCS- <br /> LCSD <br /> -- <br /> ------------ ------------------------ --- - ------------ <br /> GASOLINE 0.4 0.40 0.40 100% 100% 0% <br /> s` <br /> LCS = Laboratory Control Spike I <br /> LCSD = Laboratory Control Spice Duplicate <br /> RPD = Relative Percent Difference <br /> CONC = Concentration <br /> 3 <br /> i <br />