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i <br /> f <br /> CHEMTECH ANALYTICAL LABORATORIES <br /> ANALYSIS REPORT <br /> CLIENT:Western Geo CONTACT-G. Converse <br /> Date Samples Reeeived: 07-18-90 P.O. #. <br /> Date of Analysis: 07-19-90 CT ID: 1439 <br /> Sample ID: <br /> Lab ID• 904066 <br /> Matrix:Soil <br /> BTEX MATRIX SPIKE SUMMARY <br /> RUN DATE: 07-19-90 <br /> CONC UNITS: mg/kg (ppm) <br /> SAMPLE SPIKED- 904066 <br /> COMPOUND CONC CONC PERCENT % <br /> SPIKED MEASURED RECOVERY RPD <br /> ' MS MSD MS M55 <br /> BENZENE 1. 25 1 . 12 1 . 11 90 89 1 <br /> TOLUENE 1 . 25 1 . 16 1 . 13 93 90 3 ' <br /> 3 ETHYLBENZENE 1 . 25 0 . 99 0. 98 79 78 1 <br /> o/m/p-XYLENES 3.75 2.98 2. 95 79 79 0 <br /> MS = Matrix Cpike <br /> MSD = Matrix Spike Duplicate <br /> RPD = Relative Percent Difference <br /> CONC = Concentration <br /> r <br /> 7[117 KII(-,0nF 13nAP tf11n 0 nANCHo F'OW)OVA r A 0574;1 PIJO�JF- f(11F) r,-{5 jnr2 a FAa {q1F)R 35 9331 <br />