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• Table 2.7-2c. Topsoil and spoil material analysis comparisons for plant growth <br />suitability at Trapper Mine (19851989). <br />Topsoil Spoil <br />Weighed x (1) Weighed x (2) <br />pH (standard units) <br />7.24 <br />7.38 <br />Electro Conductivity (mmhos/cm) <br />0.84 <br />1.98 <br />Calcium Carbonate (%) <br />0.94 <br />5.67 <br />Organic Matter (%) <br />3.80 <br />4.08 <br />Nitrate <br />21.79 <br />7.37 <br />Phosphorus <br />14.36 <br />1.47 <br />Potassium <br />268.71 <br />102.80 <br />Zinc <br />1.97 <br />6.56 <br />Iron <br />36.69 <br />32.02 <br />Manganese <br />15.79 <br />11.85 <br />Copper <br />2.88 <br />4.80 <br />Selenium <br />0.017 <br />0.09 <br />Calcium (meg/I in sat ext) <br />6.09 <br />13.86 <br />Manganese (meg/I in sat ext) <br />2.21 <br />11.85 <br />Sodium (meg/I in sat ext) <br />0.48 <br />2.06 <br />S.A.R. (---_ <br />0.25 <br />0.65 <br />% Saturation <br />42.64 <br />42.46 <br />Texture <br />Clayey loam <br />Clayey loam <br />• Sand <br />• <br />33.55 <br />33.38 <br />% Silt <br />34.64 <br />30.71 <br />45 Clay <br />31.79 <br />35.94 <br />Mercury (mg/kg) <br />0.05 <br />0.08 <br />Flourine <br />0.14 <br />0.40 <br />% Total Sulfur <br />0.03 <br />0.11 <br />Acid -Base Potential (-) <br />+10.9 <br />+52.43 <br />Molybdenum <br />0.015 <br />0.079 <br />Boron <br />0.10 <br />0.35 <br />K (meg/I in sat ext) <br />0.62 <br />0.50 <br />(1) A. B, C, D and E pit topsoil 1985-1989. <br />(2) B, C, D and E pit overburden 1985-1989. <br />(3) ppm unless other denoted. <br />Note: See successive annual reports (Appendix W) for additional information. <br />PR -3. <br />2-361 e <br />r:FVISION APPROVED �! <br />i DATE 1-11-93 II <br />