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<br />Parameter, Procedure, <br />Overburden Core <br />Freeburg, <br />Parameter-UniCS TABLE 3 <br />end Reference List for Yoast Phase I <br />Analysis by Peabody Central Lab <br />Illinois, October 1980 <br />procedure-Reference • <br />Sample preparation Samples were dried at Less than 35°L and crushed ' <br /> to pass a 10 mesh sieve (excessive grinding was <br />~ <br /> avoided). ~ <br />Subsampling less than 2 mm fraction USDA (1969), Nethod 1. <br />Preparation of saturation extract USDA (1969), Methods 2, 3a, and 27b. <br />and saturation percentage <br />determination <br />pM (determination using saturated USDA (1969), Method 21a. <br />paste) <br />Conductivity of saturation extract USDA (1969), Method 4a. <br />in mmh os/cm at 25°C <br />Ca, Mg, and Na content in the USDA (1969), Method 3a end Sandoval and Power <br /> <br />saturation extract in meq/l <br />(1978), Method 2. • <br />SAR USDA (1969), p. 26. <br />Boron content in the saturation USDA (1969), Method 3a and Bower end Wilcox <br />extract in ppm (1965), Method 62-3.6. <br />Particle size analysis in X sand, Day (1965), Method 43-5. <br />sill, and clay <br /> <br />Texcural classification <br />USDA (1951), p. 209. I <br />Total sulfur in X Sobek et el. (1978), p. 51-55. 60 mesh sieve. <br />Neutralization potential in tons USDA (1969), Method 23L, 60 mesh sieve. <br />CaC0 <br />per 1000 tons materiel <br />3 <br />Acid base potential (A8P) Smith et al. (1974), 60 mesh sieve. <br />in tons CaC0 <br />per 1000 tons mat erinl <br />3 <br />Molybdenum in ppm Reisenauer (1965), Method 74-2.3 <br />Selenium in ppm Soltanpour and Schwab (1977). <br />cadmium, copper, feed, iron, Lindsay and Norvell (1978). <br />manganese, and zinc in ppm • <br />22 <br />