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TABLE 4 • <br />Parameter, Procedure, end Reference List for Yoest Phase II <br />Overburden Analysis by Inter-Mountain Lab, <br />Farmington, New Mexico, July 1997 <br />Parameter-Units Pr oc edure-Reference <br />Sample preparation Samples were dried at less than 35°C and crushed <br /> to pass a 10 mesh sieve (excessive grinding was <br /> avoided). <br />SubsampLing less then 2 mm fraction U. S. Salinity Leb (7969), Method 7, p. 83-84. <br />Preparation of ::aturation extract Rhoades (1982), Method 10-2.3.1. <br />and saturation percentage determination <br />pH (determination using saturated U. S. Salinity Lab (1969), Method 21a, p. 702. <br />paste) <br />Conductivity of saturation extract Rhoades (1982), Method 70-3.3. <br />in mmh os/cm at 25°C <br />Nitrate-Nitrogen in the saturation Rhoades (1982), Method 70-3.6. • <br />extract in ppm <br />Hot water soluble boron in ppm Bingham (1982), Method 25-9.7. 20 mesh sieve. <br />Particle size analysis in X sand, Gee and Bauder (1986), Method 75-5.•~, <br />silt and clay t <br />Textural classification USDA (1951), p. 209. <br />Total sulfur in X Sabek et al. (7978), p. 51-55. 60 mesh sieve. <br />Sulfur fractionation in % ASTM (1980), 60 mesh sieve. <br />(determined when ABP is less <br />than 0) <br />Neutralization potential in tons U.S. Salinity Lab (1969), Method 23C, p. 105. <br />CaC0 <br />per 1,000 tons of spoil 60 mesh sieve. <br />3 <br />Acid base potential (ABP) Smith et al. (1974), p. 48-49. 60 mesh sieve. <br />in tons CaC0 <br />per 1,000 tons of Spoil <br />3 <br />Manganese in ppm Gambrell and Patrick (1982), Method 18-3.4. <br />Iron in ppm Olson and Ellis (1982), Method 17-4.3. <br />• <br />24 <br />