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Table 4-3. Soil analysis comparisons between topsoil and spoil material at <br />Trapper Mine in 1987. <br />Mean Soil Analysis <br />Soil Parameter Topsoil Spoil <br />pH 7.3 7.3 <br />Electrical Conductivity .6 1.9 <br />Calcium Carbonate .9 5.5 <br />Organic Matter 3.6 4.0 <br />Nitrate 14.7 7.1 <br />Phosphorus 27.5 .9 <br />Potassium 253.3 113.0 <br />Zinc 1.7 4.9 <br />Iron 32.2 23.9 <br />Manganese 7.0 8.0 <br />Copper 2.7 4.3 <br />Selenium .O1 .09 <br />Calcium 4.8 11.5 <br />Magnesium 1.7 9.9 <br />Sodium .4 2.4 <br />Sodium Adsorption Ratio .2 .8 <br />Percent Saturation 45.0 42.0 <br />Texture Clay Loam Clay Loam <br />- % sand 30.3 34.0 <br />- X Silt 34.7 29.5 <br />- % Clay 35.0 36.5 <br />Mercury <.OS .06 <br />Flourine .l6 .3 <br />Total Sulfur - .10 <br />Acid-Base Potential - +51.4 <br />WA/jb 2/88 <br />TABLE 4-3. <br />