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• <br />5I ~ ~1 Table 91.1 I' <br />Parameter, Procedure, and Reference Lis[ <br />Inter-MOUn[ain Laboratory <br />Farmington, Neu Mexico <br />III IIIIIIIIIIIII III <br />999 <br />Doc Date <br />`{131~~ <br />., <br /> <br />Parameter-Units Procedure-Reference <br />Sample preparation Samples were dried at less than 35°C and <br />crushed [o pass a 10 mesh sieve (excessive <br />grinding was avoided). <br />Subsampling less than 2 mm fraction <br />Preparation of saturation extract and <br />saturation percentage determination <br />pH (determination using saturated <br />paste) <br />Conductivity of saturation extract in <br />mmh os/cm a[ 25°C <br />Total sulfur in X <br />Sulfur fractionation in X <br />(determined when ABP is less than 0) <br />Neutralization potential in tons <br />CaC03 per 1,000 tons of spoil <br />Acid base potential (ABP) <br />in tons CAC03 per 1,000 tons of spoil <br />U.S. Salinity Lab (1969), Method 1, p. 83-84. <br />Rhoades (1982), Method 10-2.3.1 <br />U.S. Salinity Lab (1969), Method 21a, p. 102. <br />Rhoades (1982), Method 10-3.3. <br />Sobek et al. (1978>, p. 51-55. 60 mesh sieve. <br />ASTM (1980), 60 mesh sieve. <br />U.S. Salinity Lab (1969), Method 23c, p. 105. <br />60 mesh sieve. <br />Smith et al. (1974), p. 48-49, 60 mesh sieve. <br />Soluble calcium, magnesium, and Rhoades (1982), Section 10-3.4- <br />• sodium in meq/! <br />19 <br />