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Table 25a <br />New Elk Mine <br />Soil Test Parameters <br />0 <br />Parameter <br />Soil pH <br />Soluble Salts (Electrical Conductivity) <br />Organic Matter <br />Nitrogen (as Nitrate) <br />Phosphorus <br />Potassium <br />Zinc <br />Iron <br />Copper <br />Manganese <br />Lime <br />Soil Texture <br />Table 25b <br />New Elk Mine <br />Criteria to Establish Overburden Suitability <br />Suitable <br />Deficient <br />5.5 -8.5 <br />Marginal <br />0 -8 mmhos /cm <br />pH <br />5.5 -8.5 <br /><1% <br />>12% <br />EC (Conductivity) mmhos /cm <br />>5 ppm <br /><3.1 ppm <br /><60 ppm <br />Report <br />Report <br />Report <br />Report <br />Report <br />Describe <br />Parameter <br />Surface (potential root zone) <br />Suitable <br />Marginal <br />Unsuitable <br />pH <br />5.5 -8.5 <br />5.0 -5.5 <br />EC (Conductivity) mmhos /cm <br />0 -8 <br />12 -Aug <br />Saturation Percentage <br />25-80- <br /><25 >80 <br />Texture <br />c, cis, s <br />SAR <br />0 -10 <br />12 -Oct <br />Selenium <br /><0.1 ppm <br /><0.1 ppm <br />Boron <br /><5.0 ppm <br />Molybdenenum <br /><1.0 ppm <br />>1.0 ppm <br />Acid /base Potential <br />>5 CaCO <br />Equivalent/ 1000tons <br />Arsenic <br /><2.0 ppm <br />>2.0 ppm <br />Organic Carbon <br /><10% <br />>10% <br />TR-47 <br />Page 2.05 -47a <br />(revised 1/24/03) <br />