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• .M1~ <br />Inter•fT)ountaln Laboratories, Inc. <br />1633 Terra Avenue Sheridan, Wyoming 82E401 <br />PEABODY COAL COMPANY <br />HAYDEN, COLORADO <br />MINE: SENECA lI-t'I <br />October 11, 1990 <br /> pH EC Satur- Calcium Magnesium Sodium SAR <br /> mmhos/cm ation meq/1 meq/1 meq/1 <br />Lab No. Location Depths @ 25'C 3 <br />42126 SAMPLE 155 0,0-13.0 6.3 0.36 38.9 1.33 0.94 0.98 0.11 <br />42147 42126(DUP) 0.0-13.0 6.3 0.41 39.6 2.49 1.02 1.09 0.82 <br />42098 4.0-18.0 1.5 0.33 51.3 D.80 D.48 2.23 2.79 <br />42148 42098(DUP) 4.0-18.0 7.6 0.32 52.5 0.81 0.48 2.21 2.76 <br />42107 9.0-19.0 7.8 0.41 59.5 2.28 0.89 1.26 1.00 <br />42149 411D7(DUP) 9.0-19.0 7.8 0.38 59,5 1.83 0.85 1.40 1.21 <br />42104 40.0-58.0 5.1 0.34 32.2 1.44 0.59 1.63 1.61 <br />42150 42104(DUP) 40.0-58.0 5,2 0.36 32.1 1.46 0.8] 1.77 1.64 <br />42094 16.0-28.0 6.3 0.35 28.9 1.46 0.78 1.17 1.11 <br />42151 42094(DUP) 16.0-28.0 6.4 0.36 30.4 1.84 2.71 1.89 1.25 <br />Tel. (307) 672.8945 <br />• <br />0 <br />N <br />P <br />Miscellaneous Abbreviations: SAR= Sodium Adsorption Ratio <br />