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PERMFILE120505
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PERMFILE120505
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Last modified
8/24/2016 10:19:13 PM
Creation date
11/25/2007 8:31:44 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981010
IBM Index Class Name
Permit File
Doc Date
3/20/1990
Doc Name
REGRADED SPOIL LABORATORY RESULTS
Section_Exhibit Name
Appendix W 1989 Report Section 4.0
Media Type
D
Archive
No
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<br />Comparisons between replaced topsoil and surface spoil materials (1985-1989) demon- <br />strate that the spoils are a good plant growth medium and are very comparable to the <br />existing topsoil mantle (Table 4-3). The pH and electrical conductivity values are opti- <br />mum (Merritt, 1983) in terms of plant growth. The percent Total Sulfur for both topsoil <br />and spoil materials are very low, therefore, the oxidation potential for production of acid <br />from pyrite is very slight. There are no spoils with a negative acid-base potential. The <br />spoils have almost five times the net acid-base potential to neutralize any acid formation <br />over the topsoil. <br />Texture comparisons between topsoil and spoil material at Trapper are almost identical <br />(Table 4-3). Both topsoil and spoils are clayey loams with the percent sand, silt, and clay <br />at approximately 33%, 30-34% and 31-35%, respectively. These textures combined with <br />very low SAR values (Topsoil 0.25-Spoil 0.65), very ]ow percent saturations (Topsoil <br />42.6%-Spoi142.4%) and the low percent clay >40% (Topsoil 31.8%-Spoil 35.9%) show <br />there is little if any suspect physical or chemical properties which would prove to be a <br />detriment to suitable plant growth and successful reclamation. <br />WSH/jb <br /> <br /> <br /> <br />
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