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Table I-4. Soil analysis comparisons between topsoil and spoil material at <br />Trapper Mine. <br />y <br />Mean Soil Analysis <br />Soil Parameter Topsoil Spoil <br />(1987) (1985-87) <br />pH 7.3 7.4 <br />Electrical Conductivity .6 2.0 <br />Calcium Carbonate .9 5.8 <br />Organic Matter 3.6 3.8 <br />Nitrate 14.7 7.8 <br />Phosphorus 27.5 1.8 <br />Potassium 253.3 111.0 <br />Zinc 1.7 5.4 <br />Iron 32.2 28.5 <br />Manganese 7.0 9.7 <br />Copper 2.7 4.3 <br />Selenium .O1 .07 <br />Calcium 4.8 11.5 (1987 only) <br />Magnesium 1.7 9.9 (1987 only) <br />Sodium .4 2.4 (1987 only) <br />Sodium Adsorption Ratio .2 .7 <br />Percent Saturation 45.0 42.0 <br />Texture Clay Loam Clay Loam <br />- Y, sand 30.3 33.4 <br />- ~ Silt 34.7 30.9 <br />- ~ Clay 35.0 35.7 <br />Mercury <.05 .06 <br />Flourine .16 .3 <br />Total Sulfur - .10 <br />Acid-Base Potential - +51.4 <br />WA/jb 3/88 <br />