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Paste pH <br /> Paste Conductivity (EC) in mmhos/cm at 25°C <br /> Saturation Percentage (SP) <br /> Particle Size (percent sand, silt, and clay) <br /> Water Soluble Cations Calcium (Ca), Magnesium (Mg), and Sodium (Na) <br /> Sodium Adsorption Ratio (SAR) <br /> Exchangeable Sodium Percentage (ESP) if SAR is greater than 11 <br /> Water Soluble Anions Carbonate (CO3), Bicarbonate (HCO3), and Sulfate (SO4) <br /> Ammonium (NH4) and Nitrate (NO3) <br /> Boron (B) <br /> Selenium (Se) <br /> Molybdenum (Mo) <br /> Manganese (Mn) <br /> Iron (Fe) <br /> Sulfur (S) or Acid Potential (AP) <br /> Neutralization Potential (NP) <br /> Acid-Base Potential (ABP) <br /> Copper (Cu) - 1 location only <br /> Nickel (Ni) - 1 location only <br /> Zinc (Zn) - 1 location only <br /> Cadmium (Cd) - 1 location only <br /> Mercury (Hg) - 1 location only <br /> Lead (Pb) - 1 location only <br /> Arsenic (As) - 1 location only <br /> These parameters were analyzed on the Nucla East geologic strata to document the physical <br /> and chemical properties of the OIU, to compare these properties to ground water quality, <br /> to develop effective and efficient OIU handling procedures, and to determine potential <br /> reclamation success. The following discussion describes the importance and applicability <br /> of each physical and chemical test that was completed. Since portions of the overburden <br /> will be used as a root growth medium beneath the topsoil , the words soil and overburden <br /> are used here interchangeably. <br /> pH. Soil reaction (or pH) of the growth medium significantly affects the availability of <br /> essential nutrients in addition to the solubility of potentially toxic ions. Soils with a <br /> 6-1-16 Revised 04/11/88 <br />