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Table 9-4-1 (Cont. ) <br /> Parameter, Procedure and Reference List for Soil Survey at <br /> the Nucla ;line Scraper Pits <br /> November, 1986 <br /> Parameter Procedure <br /> Organic matter to be used in Loss on ignition in a muffle furnace at 375' C <br /> the soil erodibility (k factor) for 24 hours . Adapted from Davies (1974) . <br /> calculation <br /> Carbonates USDA Handbook 60, method (23b) , pg. 105. <br /> Acid Base Potential Smith et al . , 1974. Mine Spoil Potentials for <br /> Soil and Water Quality, EPA-670/2-74-070, <br /> pp. 48-49. 60 mesh sieve. <br /> Manganese Methods of Soil Analysis, 1982. Part 2 - <br /> Chemical and Microbiological Properties , <br /> Method 18-3.4, pp. 319-320. 10 mesh sieve. <br /> Iron Methods of Soil Analysis, 1982. Part 2 - <br /> Chemical and Microbiological Properties, Method <br /> 17-4.3, pp. 310-311. 10 mesh sieve. <br /> 9-4-11 Revised 11/01/86 <br />