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w w <br /> CHEMTECH ANALYTICAL LABORATORIES <br /> ANALYSIS REPORT <br /> CLIENT: Western Geo CONTACT: G. Converse <br /> Date Samples Received: 09-19-90 P.O. 0: <br /> Date of Analysis: 09-19-90 CT ID: 1526 <br /> Sample ID: <br /> Lab ID: LCS, LCSD <br /> Matrix: Soil <br /> ,x <br /> TPH MATRIX SPIKE SUMMARY <br /> i <br /> RUN DATE 09-19-90 <br /> CONC UNITS : mg/kg (ppm) <br /> SAMPLE SPIKED: LCS, LCSD-152$ <br /> f' COMPOUND CONC CONC PERSENT o <br /> SPIKED MEASURED RECOVERY RPD <br /> MS MSD MS MSD <br /> GASOLINE 300 290 .286 97% 95% 2% <br /> DIESEL 300 3I31 306 104% 102% 20 <br /> MS = Matrix Spike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> CONC = Concentration <br /> 30,7 KiLGORE ROAD X1.0 • RANCHO CORDCVA.CA 95:-? P iCi 1"t i915 635-3932 • FAX(915)535.33.' <br />