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III IIIIIIIIIIIII III • <br /> <br />R ~ V i_ 9 m ~.:. 3Tl <br />OCT 2 9 1990 <br />UNITED STATES DEPARTMENT OF THE INTERIOR Mined Larin <br />BUREAU OF LAND MANAGEMENT <br />CRAIG DISTRICT OFFICE Reclamation t:);v;sion <br />455 EMERSON STREET <br />CRAIG, COLORADO 81625-1129 <br />In Reply Refer To: <br />3450 (162) <br />C-0118326 <br />C-0118327 <br />C-0119986 <br />C-37474 <br />October 23, 1990 <br />Memorandum <br />To: District Manager, Craig District Office <br />From: Ralph Costa, Ra}~ Clanton <br />Subject: A summary of thei actions taken concerning the NaTec operation. <br />The following is a history of the variances granted to NaTec by the Bureau of <br />Land Management to their mine plan / drilling procedures. This memo documents <br />the variances granted to the April 1988 water monitoring plan and the <br />variances granted to the mine plan as well as the unapproved changes made to <br />these plans by the company. <br />April 1988 Water Monitoring plan: <br />In April 1988, Industrial Resources Inc. submits to the WRRA a plan covering <br />ground water, subsidence and drilling gel monitoring for a commercial scale <br />project. <br />On May 10, 1988 Bill Hill informs IRI that they need to submit a monitoring <br />plan for the pilot scale project and that BLM intends to hold off review of <br />the submitted plan until the EPA issues the Underground Injection Control <br />(UIC) permit. <br />On March 9, 1989, EPA issues to Natec the UIC permit. <br />On September 29, 1989, Bi:Ll Hill receives from Roger Day of NaTec a <br />notification of planned field activity and description of work to drill and <br />complete the ground xater monitoring wells per the pilot plant permit. This <br />letter details the drilling and completion of three monitoring wells and the <br />recompletion of another. In his letter Day promises that following completion <br />and initial testing of thc~se wells, a long term monitoring plan will be <br />developed. <br />~. <br />On September 29, 1989 Bill. Bill was advised, in writing by NaTec, that well <br />26-90-1 was going to be drilled as a B groove monitoring well, 26-90-2 was <br />going to be drilled as an A groove monitoring well and 26-90-3 would be <br />drilled as a perched aquifer monitoring well. No approval letter is in the <br />file. - _° <br />