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Mr. William Agnew ion 3.0 - Draina -4- ~ Reconstruction, I June 7, 1990 ments and Repairs (1989 Trapper Mine will no longer be required to provide as-built drainage profiles as part of the Annual Report. Please know, however, that final profiles wiT1 be required at the time of any bond release request. Trapper is encouraged to monitor as-built configurations and channel stability, to ensure that any release request is not denied or delayed. Section 4.0 - Regraded Spoil Sampling 1. The proposal at Section 4.3 (Discussion and Recommendations) is reasonable. As discussed with you previously, we will allow the reporting requirement to lapse. We will still require, however, that Trapper Mine continue to sample spoil, with accurate records retained on-site. Any suspect spoil quality parameter level must be reported to the Division, and the monitoring records must be available for Division review at all times. A final determination regarding the spoil sampling reductions proposal cannot be made until we receive the selenium data for the 1989 spoil samples. Please submit the selenium data for these samples. 2. The Table 2.7-2a contains an error. The suitability range for Acid-Base Potential should read > -5 tons, not (-5 tons. Please submit a corrected page. Section 5.0 - Topsoil Stockpile Locations (1989) Rule 2.05.3(5) requires that all topsoil storage locations must be approved prior to development. Please provide an updated topsoil map which accurately depicts all storage locations, and any anticipated locations. Approximate volumes should be provided for each pile. Please incorporate the revised map at an appropriate location in the permit, and number the map accordingly. Section 6.0 --Livestock Ponds (1989) This section is acceptable. Please be sure to incorporate the permit boundary on future map submittals. Section 7.0 - Proposed Revegetation Seed Mixes (1990) This section is acceptable without modification. Section 8.0 - Wildlife Monitoring (1990) The Division accepts your proposed monitoring reduction. Colorado Division of Wildlife, and U.S. Fish and Wildlife Service concurrence has also been received.