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TABLE 6-76 <br />WOLF CREEK UPPER OVERBURDEN <br />ANALYTE MEASUREMENT <br />UNITS NO. OF <br />SAMPLES MINIMUM MAXIMUM AVERAGE <br />Acid Generation Potential Icalcl t CaC03/Kt 6 7 20 10.0 <br />Acid Neutralization Potential t CaC03/Kt 6 62 167 112.5 <br />Acid-Base Potential Icalc) t CaC03/Kt 6 54 160 102.7 <br />Aluminum, extractable IAB-DTPA) mg/Kg 6 <2 20 5.8 <br />Arsenic, extractable IAB-DTPA) mg/Kg 6 <0.1 0.3 0.2 <br />Boron, soluble (Hot Water) mg/Kg 6 0.24 0.82 0.5 <br />Cadmium, extractable IAB-DTPAI mg/Kg 6 <0.2 0.2 0.2 <br />Calcium, soluble (Sat. Pastel meq/L 6 1.6 8.78 5.5 <br />Cation Exchange Capacity ICEC) meq/1008 6 0.95 5 2.4 <br />Chromium, extractable IAB-DTPA) mg/Kg 6 <0.5 <0.5 0.5 <br />Conductivity @25C mmhos/cm 6 1.37 3.47 2.6 <br />Copper, extractable IAB-DTPA) mg/Kg 6 4.1 7.8 5.4 <br />Fluoride, soluble (Water) mg/Kg 6 0.7 1.3 1.0 <br />Iron, extractable IAB-DTPA) mg/Kg 6 254 325 289.2 <br />Lead, extractable IAB-DTPA) mg/Kg 6 3 212 66.5 <br />Magnesium, soluble ISat. Pastel meq/L 6 1.08 9.35 4.7 <br />Manganese, extractable IAB-DTPA) mg/Kg 6 15.5 39.2 26.1 <br />Mercury, total mg/Kg 6 0.05 0.1 0.1 <br />Molybdenum, extractable IAB-DTPAI mg/Kg 6 <0.5 <0.5 0.5 <br />Neutralization Potential as CaCOa) % 6 6.2 16.7 11.3 <br />Nickel, extractable IAB-DTPA) mg/Kg 6 2.9 7.1 4.3 <br />Nitrate/Nitrite as N, extractable mg/Kg 6 2.4 13.2 6.1 <br />Organic Matter % 6 1.96 7.51 3.8 <br />pH, Saturated Paste units 6 7.4 8.1 7.7 <br />Phosphorus, extractable IAB-DTPA) mg/Kg 6 <1 1 1.0 <br />Potassium, soluble (Sat. Pastel meq/L 6 0.12 0.38 0.3 <br />Saturation Percent % 6 26.6 40.9 32.1 <br />Selenium, soluble (Hot Water) mg/Kg 6 0.04 0.088 0.1 <br />Sodium Absorption Ratio 6 1.09 4.58 2.6 <br />Sodium, extractable (NH41 meq/1008 6 0.28 2.29 1.1 <br />Sodium, soluble (Sat. Pastel meq/L 6 2.57 9.1 5,4 <br />Solids, Percent % 6 77 88.5 83.1 <br />Sulfur Pyritic (HN03 extractable) % 6 <0.01 0.18 0.1 <br />Sulfur Residual % 6 0.14 0.42 0.2 <br />Sulfur Sulfate IHCI extractable) % 6 <0.01 0.06 0.04 <br />Sulfur Total °~ 6 0.21 0.64 0.3 <br />Texture <br />Ctay % 6 7.5 22.5 13.8 <br />Sand % 6 45 60 52.9 <br />Silt % 6 30 40 33.3 <br />Zinc, extractable fA6-DTPAI mg/Kg 6 7.6 10.4 8.8 <br />Notes: <br />Average calculated using the MDL value for results below MDL <br />36 Revised 01/02 <br />