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MATRIX ENVIRONMENTAL LABORATORIES <br /> ANALYSIS REPORT <br /> Date Samples Received: 11/6/91 P.O. No: Teichert, Clement <br /> Date of Analysis: 11/11/91 CT ID: 3058 <br /> t1� Sample ID: :#9, North C 8 ' Deep <br /> Lab ID: '914048 MS, MSD <br /> Matrix: SOIL <br /> BTEX MATRIX SPIKE SUMMARY <br /> CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY. RPD <br /> MS MSD MS MSD <br /> BENZENE 1.25 0.67 0. 66 54% 530 20 <br /> TOLUENE 1..25 1,09 1. 1 87% 88% 1% <br /> ETHYL BENZENE 1. 25 1. 23 1.24 98% 99% 1% <br /> TOTAL XYLENES 3.75 4 .54 4. 59 121% 122% 1% <br /> MS= MATRIX SPIKE <br /> MSD= MATRIX SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br /> t <br /> 3017 KILGORE ROAD # 100 • RANCHO CORDOVA, CA 95742 PHONE (916) 635-3962 • FAX (916) 635-9331 <br />