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<br />1633 Terra Avenue <br />• <br />~. <br />lnter•f31ountaln Laboratorles.lnc. <br />SAeridan, Wyoming 82801 <br />PEABODY COAL COMPANY <br />FLAGSTAff, ARIZONA <br />Mine: NUCLA EAST <br />March 3, 1988 <br /> Avail Na Exch Na CEC ESP N03 Alkalinity S04 <br /> meq/1009 meq/1009 meq/1009 PE PE PE <br /> Lab No. Location Depths ppm meq/1 meq/1 <br />rn 1161 870E 0.0-0.7 2.03 7.87 11.1 <br />a 1162 0.7-1.5 O.7B 3.96 2.74 <br />A 1163 1.5-3.1 0.89 3.91 4.86 <br />~' 1]64 3.1-5.1 0.71 3.46 32.0 <br /> 1165 5.1-5.7 1.74 1.93 33.9 <br /> 1166 5.7-10.0 1.73 3.89 10.1 <br /> 1167 10.D-14.4 1.04 1.38 66.2 <br /> 1168 14.4-24.4 4.49 2.98 55.3 <br /> 1169 24.4-30.8 1.29 2.35 50.0 <br /> 1110 30.B-34.5 1.28 2.84 61.1 <br /> 1171 34.5-42.5 1.74 3.71 86.4 <br /> 1172 42.5-50.1 3.23 3.84 38.2 <br /> 1173 50.1-56.8 1.8D 4.64 58.6 <br /> 1174 56.8-59.4 2.39 3.48 16.6 <br /> 1175 59.4-61.0 2.17 2.95 28.4 <br />rAO 1176 61.0-66.6 2.15 3.68 11.7 <br />~~ 1111 66.6-68.9 3.46 2.89 16.1 <br />m 1178 68.9-71.1 1.58 3.24 57.2 <br />a 1]19 78.4-80.0 2.01 1.65 39.1 <br />°a 1180 80.0-82.7 2.13 3.83 6.51 <br /> <br />m <br />m <br />Tel. (307) 672-8945 <br />U <br />Page 3 of 6 <br />Abbreviations for extractants; PE= Saturated Paste Extract <br />Miscellaneous Abbreviations: SAR= Sodium Adsorption Ratiq, CEC= Cation Exchange Capacity, ESP= Exchangeable Sodium Percentage, Exch= Exchangeable, Avail= Available <br />