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SI P — z s -- spo W I-= 7] 1 T 42 Ch � m a cFiarso1 r s f s R . 17 <br /> I <br /> CHEMTECH ANALYTICAL LABORATORIES <br /> ANALYSIS REPORT <br /> CLIENT: Western Geo CONTACT: G. Converse <br /> Date Samples Received: 09-19-90 P.o. 41 <br /> Date of Analysis: 09-21-90 CT ID: 1328 <br /> Sample ID: 904781 <br /> Lab 1Dz MS, MSD <br /> Matrix: Soil <br /> $TEX MATRIX SPIKE SUMMARY <br /> RUN DATEi 0921-90 <br /> CONC UNITS: mg/kg (ppm) <br /> t SAMPLE SPIKED: 9047$1-MS, MSD <br /> COMPOUND CONC CONC PERSENT <br />' SPIKED MEASURED RECOVERY RPD <br /> M8MSD M8 MSD �- <br />-- - BENZENE 1.25 1. 5 14Z& 1 -- - — 10 - - - --- -- <br /> TOLUENE 1.25 1.09 1.21 87% 97% 11 <br /> ETHYLEENZENE 1.25 0.94 1 .02 75% 824 9 <br /> 0/M/P-XYLENES 3.75 2.72 2. 94 73% 78% 7 <br /> MS = Matrix Spike <br /> MSD - Matrix Spike Duplicate <br /> RPD Relative Percent Difference <br /> CONC a Concentration <br /> 301 t KILGORE ROAD-0110 9 RANCHO CORDOVA CA 95762 PHOT IF. (916) 635.3962 a FAX 1916) 635 a.1, <br />