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• E.4.6 Plant Decommis~~ioni <br />As mentioned previously, the Pilot Plant facilities may be used in whole or <br />in part for future commercial mining. If the facilities are not used, they <br />will be dismantled and the area will be reclaimed. Surface facilities, <br />including buildings, gins, and equipment will be dismantled and removed form <br />the site. Concrete foundations and slabs will be broken and buried on-site. <br />Tap9~w,l Wi11 be spread to an average depth of six to twelve inches. All <br />disturbed areas will tie revegetated. <br />The natural gas and water pipelines will be disconnected, purged, and left <br />in place as these areas will have already been reclaimed and revegetated. <br />Solids remaining in tfie evaporation ponds will be removed from the site for <br />sale or disposal at an approved off-site landfill. <br />Following removal and proper disposal of the solids {salts), the pond liners <br />will be removed and the ponds will be recontoured to approximate premining <br />• topography (Exhibit F). As with the other disturbed areas, topsoil will be <br />replaced and the areas will be revegetated. <br />The production wells, when abandoned, will be plugged at the bottom of the <br />casing and will be filled with a gel plugging mud or with cement. Surface <br />casings will be cut to a depth of no less than three feet from surface. <br />The access roads to the site will not be reclaimed, per the desires of the <br />BLM. Rather, they will be left in place to afford access to the area for <br />other purposes. <br />E.4.7 Reclamation Schedule <br />Figure E-1 provides a schedule of reclamation activities. Due to the <br />limited extent of acreage disturbed (13.9 acres), the entire area will be <br />reclaimed at one time (i.e., no "phased" reclamation). The abandonment and <br />reclamation schedule is referenced to the first fall following cessation of <br />operations. As shown, abandonment activities will take place over a 10-week <br />E-6 <br />