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2012-06-20_PERMIT FILE - C2010089 (59)
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2012-06-20_PERMIT FILE - C2010089 (59)
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Last modified
8/24/2016 5:01:15 PM
Creation date
8/24/2012 2:32:07 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C2010089A
IBM Index Class Name
PERMIT FILE
Doc Date
6/20/2012
Doc Name
Topsoil and Subsoil Handling
Section_Exhibit Name
Section 2.05.4(2)(d)
Media Type
D
Archive
Yes
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PARAMETER - UNITS <br />LEVELS <br />Table 2.05.4(2)(d) -1: Criteria for Evaluating Soil Suitability <br />(Revised with NRCS 2008) <br />THRESHOLD SUITABILITY <br />PH <6.1 - >8.4 <br />Conductivity (mmhos /cm) 4.0 <br />Saturation percentage ( %) >80% <br /><25% <br />Sodium adsorption ratio >4 <br />Exchangeable Sodium % >15 <br />Calcium carbonate percentage >40% <br />Selenium (ppm) >1 ppm <br />Particle size All soil textures except: s, ls, sc, sic, c <br />Coarse fragments ( %) >20% <br />1. The threshold levels are to be used as a guide in evaluating the suitability of a soil <br />material for reclamation. An evaluation should take into account the "total system ". <br />Interactive parameters may either nullify or verify the significance of a potential problem. <br />2. The actual maximum acceptable EC level will depend on the plant species proposed in <br />the vegetation plan and the potential for upward salt movement. <br />3. Specific level depends upon clay mineralogy, soil texture, and saturation percentage <br />according to Dollhopf et al., 1983. <br />4. The specific percentage of clay or sand allowed will depend upon clay mineralogy, <br />organic matter content, consistence, soil lift, spoil characteristics, and size of sand <br />fraction. <br />5. These values may vary depending upon the plant species proposed for vegetation in <br />specific locations (e.g., a soil with a high coarse fragment content throughout its profile <br />may be completely salvaged if used for grazingland versus pasture postmine land use). <br />Section 2.05.4(2) (d) Page 11 January 2012 <br />
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