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~yJpl~~'C~+ID/1 <br />~iec L~~-~o~l <br />• COLORADO <br />YOAST/SEN ECA PROJECT - AMENDMENT 1 <br />NATURE OF INTENT X-88-168-22 <br />MONITOR WELL IN <br />Amendment 1 consists of the drilling and installation of 9 monitor wells, of depths from <br />50 ft. to 900 ft. for the determination of ground water quality and quantity. <br />The Exploration and Reclamation Plan as outlined in the original submittal will be <br />strictly adhered to for the installation of these wells, with the following modifications. <br />Method of Plugging Holes <br />When no longer needed for its intended use, each well will be sealed using an approved <br />bentonite slurry or cement by placing the sealant in the hole from the bottom to within 10 <br />feet of the surface. A 7 foot cement plug will be placed to within 3 feet of the surface; <br />the remaining 3 feet to be filled with soil. <br />• <br />Light-Use Roads <br />No light use roads will be constructed for this amendment. <br />Excavated mud pits m~ be required for the drilling of those wells in the 700-900 foot <br />range, (possibly 6 wells). .The cost of reclaiming these mud pits have been included <br />in Exhibit E, Bond Calculations. <br />C,~ f.~, ~ 'v ~e ~' <br />AU G 8 1988 <br />• MINED LANC3 <br />RECLAMA71OAI DIVISION <br />