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• Table 43. Topsoil and spoil material analysis comparisons, for plant growth <br />suitability at Trapper Mine (1985-1989), vs.1999 Ashmore Pit and <br />1999 FIInUock Pit spoils. <br />Topsoil Spoil 1999 Ashmore 1999 Flintlock <br />Weighed (1) Weighed (2) pit (3) pit (3) <br />Parameter (4) <br />Calcium (megll in sat ext.) 6.09 13.86 22.85 10.13 <br />Copper 2.88 4.80 2.54 5.08 <br />Iron 36.69 32.02 46.55 61.88 <br />Magnesium (meg/I in sat ext.) 2.21 11.65 19.19 10.04 <br />Manganese (Mn) 15.79 11.85 9.88 16.22 <br />Mercury (mg/kg) 0.05 0.08 0.04 0.08 <br />Selenium 0.017 0.09 0.01 0.01 <br />S.A.R. (-) 0.25 0.65 0.62 1.01 <br />Sodium (meg/l in sat ext.) 0.46 2.06 2.86 3.03 <br />Acid-Base Potential (-) +10.9 +52.43 +81.46 +87.50 <br />Electrical Conductivity (mmhos/cm) 0.84 1.98 3.02 1.89 <br />Calcium Carbonate (°h) 0.94 5.67 8.88 9.40 <br />Organic Matter (%) 3.80 4.08 2.88 6.34 <br />pH (standard units) 7.24 7.38 7.4 7.08 <br />Saturation 42.64 42.46 42.6 49.73 <br />°~ Total Sulfur 0.03 0.11 0.24 0.21 <br />Texture Clayey loam Clayey loam Sandy loam Sandy loam <br />• <br />% Clay 31.79 35.94 8.62 8.33 <br />Sand 33.55 33.36 37.31 30.33 <br />% Silt 34.64 30.71 54.46 61.67 <br />Fluoride 0.14 0.40 3.28 3.02 <br />Phosphorus 14.36 1.47 1.60 0.72 <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) A and F pit spoils sampled in 1999. <br />(4) ppm unless otherwise denoted. <br />BDN 3/00 <br />[DMG~99REPT4] <br />r 1 <br />IL J <br />Revised 819/99 <br />