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I <br /> I <br /> CHEMTECH ANALYTICAL LABORATORIES <br /> ANALYSIS REPOFr <br /> CLIENT: Western Geo CONTACT: G. Converse <br /> ' Date Samples Received: 09-05-90 P.O. # <br /> Date of Analysis 09-06-90 CT ID- 1509 <br /> Sample ID- <br /> Lab ID: LCS, LCSD <br /> Matrix- Soil <br /> { <br /> t BTEX MATRIX SPIKE SUMMARY <br /> a <br /> RUN DATE: 09-06-90 <br /> CONC UNITS. mg/kg (ppm) <br /> SAMPLE SPIKED. LCS, LCSD-( 1509) <br /> COMPOUND CONC CONC PERSENT d <br /> SPIKED MEASURED RECOVERY RPD <br /> MS MSD MS MSD <br /> BENZENE 1,25 1.40 1 .51 112 121 8 <br /> j TOLUENE 1 .35 0.97 1 .06 78 85 9 <br /> i <br /> ETHYLBEN2,ENE 1 .25 0 .94 1 .01 75 B1 S <br /> O/M/P-XYLENES 375 2.58 2 .79 69 74 7 <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> CONC = Concentration <br /> 3017 KILGORE RCaD 9 0 9 Ra;ICHrG CCRDCVA CA S�7'2 PHGI` E SAX 93^ <br />