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• Table 4-3. Topsoil and spoil material analysis comparisons for plant growth <br />suitability at Trapper Mine (1985-1989), vs 1990 Ashmore pit spoils. <br /> <br /> Topsoil Spoil 1990 Ashmore <br /> Weighed'x (1) Weighed x (2) pit z (3) <br /> <br /> Parameter (4) <br /> pH (standard units) 7.24 7.38 7.22 <br /> Electrical Conductivity (mmhos/cm) 0.84 1.98 3.63 <br /> Calcium Carbonate (%) 0.94 5.67 6.46 <br /> Organic Matter (%) 3.80 4.08 3.49 <br /> Nitrate 21.79 7.37 9.17 <br /> Phosphonu 14.36 1.47 0.38 <br /> Potassium 268.71 10280 137.42 <br /> Zinc 1.97 6.56 6.34 <br /> iron 36.69 32.02 35.15 <br /> Manganese 15.79 11.85 8.54 <br /> Copper 2.88 4.80 3.82 <br /> Selenium 0.017 0.09 0.11 <br /> Calcium (mega in sat ext.) 6.09 13.86 23.63 <br /> Manganese (meg/I in sat ext) 221 11.85 22.57 <br /> Sodium (meg/I in sat ext.) 0.48 206 8.67 <br />• S.A.R. (--) 0.75 0.65 1.83 <br /> %Saturation 4264 4246 43.00 <br /> Texture Clayey loam Clayey loam Clayey loam <br /> % Sand 33.55 33.38 38.42 <br /> %silt 34.64 30.71 26.58 <br /> Clay 31.79 35.94 35.00 <br /> Mercury (mg/kg) 0.05 0.08 0.07 <br /> Flourine 0.14 0.40 0.19 <br /> %TotalSulfur 0.03 0.11 0.24 <br /> Acid-Base Potential (-) +10.9 +5243 +56.96 <br /> Molybdenum 0.015 0.079 - <br /> Boron 0.10 0.35 - <br /> K (meg/l in sat ext.) 0.62 0.50 0.77 <br />(1) A, B, C, D and E pit topsoil 1985-1989. <br />(2) B, C, D and E pi[ overburden 1985-1989. <br />(3) A pit spoils only (1990). <br />(4) ppm unless otherwise denoted. <br />• WSH!)b <br />Table 4-3 <br />