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• <br />• <br />Table 2.7.2b. Suitability ratings for spoils as a source of plant growth medium at Trapper Mine. <br />Spoil Sample Parameters <br />pH <br />Electro Conductivity (EC) <br />Calcium Carbonate (CaCO3) <br />Organic Matter (OM) <br />Nitrate (NO3-N) <br />Phosphorus (P) <br />Potassium (I) <br />Zinc (Zn) <br />Iron (Fe) <br />Manganese (Mn) <br />Copper (Cu) <br />Selenium (Se) <br />Calcium (Ca) <br />Magnesium (Mg) <br />Sodium (Na) <br />Sodium Absorption Ratio (SAR) <br />Percent Saturation <br />Texture <br />Mercury (Hg) <br />Flourine (F) <br />Total SuHur <br />Acid -Base Potential <br />Degree of Suitability <br />very good <br />very good <br />very good <br />good <br />low -fair <br />low <br />good <br />good <br />good <br />good <br />good <br />good <br />good <br />good <br />fair -good <br />good <br />good <br />fair <br />good <br />good <br />good <br />good <br />PR -3 <br />2-361 d <br />REVISION APPROVED f <br />DATE 14, q3 <br />ii <br />