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TABLE 2.05.3-9 <br />• YAMPA RIVER SEDIMENT POND <br />MATERIAL SUITABILITY ANALYSIS <br />SUN COAL COMPANY - MEADOWS N0. 1 <br />ROUTT COUNTY, COLORADO <br />Sample No. 1 <br />West End <br />Grab <br />Sample No. 2 <br />Middle <br />Grab <br />Sample No. 3 <br />East End <br />Grab <br />Electric Conductance, mmhos/cm 0.65 2.4 2.7 <br />Soluble Calcium, meq/L 4.1 25 27 <br />Soluble Sodium, meq/L 0.91 1.0 1.6 <br />Soluble Magnesium, meq/L 2.2 11 14 <br />Nitrate-Nitrite (Paste), ppm 3.8 3.6 3.1 <br />Boron, ppm 0.5 0.5 0.9 <br />Selenium (AB-DTPA), ppm <0.01 0.03 0.02 <br />Molybdenum (AB-DTPA), ppm 0.07 0.05 0.06 <br />Copper (AB-DTPA), ppm 2.6 3.0 3.8 <br />Yanadium (AB-DTPA), ppm 0.36 0.44 0.34 <br />• Neutralization Potential, % 1.5 1.7 1.9 <br />Potential Acidity (as Total S), % 0.14 0.17 0.17 <br />Acid-Base Potential, + tons of CaC03 <br />Equivalent/1000 tons of dry material 11 12 14 <br />Particle Size Analysis: <br />Sand, % 61 61 38 <br />Silt, % . 28 29 41 <br />Clay, % 11 10 21 <br />Texture Classifitation, USDA SL SL L <br />Water-Holding Capacity, (1/3 - 15 Bar) 8 3 14 <br />• <br />- 195 - (Rev. 5/86) <br />