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=�- - - r "'�'=- •;�. :sv `a_r" �; �'. -. _ _ ewe _-+�� a -*y*- <br /> CHEMTECH ANALYTICAL LABORATORIES <br /> ANALYSIS REPORT <br /> CLIENT: Western Geo CONTACT: G. Converse <br /> Date Samples Received: 09-19-90 P.O. : <br /> Date of Analysis: 09-21-90 CT ID: 1528 <br /> Sample ID, 904781 <br /> Lab ID: MS, MSD <br /> Matrix: Soil <br /> f <br /> BTEX MATRIX SPIKE SUMMARY <br /> RUN DATE: 09-21-90 <br /> CONC UNITS: mg/kg (ppm) <br /> SAMPLE SPIKED: 904781-MS, MSD <br /> i <br /> COMPOUND CONC CONC PERSENT <br /> -` SPIKED MEASURED RECOVERY RPD <br /> j MS MS� MS MSD <br /> BENZENE 1.25 1.77 1.96 142%157% 10 <br /> TOLUENE 1.25 1.09 1.21 87% 97% 11 <br /> ETHYLBENZENE 1.25 0.94 1.02 75% 82% 9 <br /> O/M/P-XYLENES 3.75 2.72 2.94 73% 78% 7 <br /> . I <br /> r MS = Matrix Spike <br /> MSB = Matrix Spike Duplicate <br /> RPD Relative Percent Difference <br /> CONC = Concentration <br /> 3017 KILGGFi:fiOAD»!?0 • AANCHG CORCCV->,CA 957-2 P;ICIJc 19i6j 6=6.3552 • FAX(916)6. 5-•3?t <br /> ..,.r.. :.. ... .. - -. <br />