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• Table 9-4-1 <br />Parameter, Procedure and Reference List for Soil Survey at <br />the Nucla hiirie Scraper Pits <br />November, 1986 <br />Parameter Procedure <br />Sample Preparation Samples were dried at 30-35°C. Samples <br />were crushed to pass a 10-mesh sieve <br />(excessive grinding was avoided). <br />Subsampling less than USDA Handbook 60, 1969 - Diagnosis and <br />2 mm fraction Improvement of Saline and Alkali Soils, Method <br />1, PP. 83-84. _-_ <br />Coarse Fragment USUA Handbook 436, App. I, pg. 472; Soil <br />Survey Laboratory Methods R Procedures for <br />Collecting Soil Samples, pgs. 9 and 12-13. <br />Preparation of saturated USDA Handbook 60, Methods 2 and 3a, pp. 84 and <br />paste extract and saturation 88, and Method 27b, p. 107. 10-mesh sieve. <br />• percentage determination <br />pH (determination using USDA Handbook 60, Method 21a, p. 102. <br />saturated paste) 10-mesh sieve. <br />Conductivity of saturation Sandoval and Power, U.S.D.A. Handbook 525, <br />extract in mmhos/cin 1977, Laboratory Methods Recommended for <br />at 25°C. Chemical Analysis of Mined Land Spots and <br />Overburden in Western United States, Method 1, <br />pp. 22-24. 10-mesh sieve. <br />Particle-size Analysis Hydrometer Method. ASA Mono. No. 9, pt.l, <br />method 43-5, pp. 562-566. An eight hour <br />settling time utilized for clay. Sieve Analysis <br />for vfs (140-270) mesh. ASA Muno. iJo. 9, Part <br />1, pp. 554-556. Black, 1965 and 1982. <br />Texture USDA Handbook 18, pgs. 205-223. <br />Soluble Ca, Mg, Na, HC03 Extraction of Ca, Mg, Na, HC03 and SO by USDA <br />and S04 Handbook 60, method (3a), pg. 84. Analysis by <br />atomic adsorption spectrophotoinetry. <br />Sodium-adsorption ratio USDA Handbook 60, pg. 26. <br />•. <br />7-4-10 Revised 11;01/86 <br />