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The operator's plan for non-coal processing waste disposal on site is in compliance with the regulations. Non-coal processing waste such as paper trash, garbage, scrap metal, and other non-hazardous waste is currently disposed of at the Delta County Landfill. X. Backfilling and Grading -Rule 4.14 BRL's application for a permit for the Bowie No. l East Mine proposed a reclaimed final configuration for the surface facilities aeeas of the mine which consists of a partial backfilling scheme. In the preliminary adequacy review of the original permit application, the Division stated that it considered their proposal to be inadequately supported within the application. Further, the Division required the applicant to complete an appropriate geotechnical and stability analysis to demonstrate that the proposed final configuration would be stable and would satisfy the requirements of Rule 4.14 and 4.27, "Operations on Steep Slopes." The results of the analyses would then be utilized by the applicant to prepare a detailed engineering design which conforms with the above-enumerated regulations. The operator retained the services of Merrick and Company and Geo-Hydro Consultants, Inc. to investigate the slope stability of the entire surface facilities area at the Orchard Valley (Bowie No. I) Mine. Phase I of this study was completed and a summary report, prepared by Geo-Hydro Consultants, [nc., was submitted to the Division for review on July 21, 1981 (See Volume 6). The analysis, prepared in accordance with the present state-of--the-art of geotechnical analysis, determined that no immediate major hazards existed at the mine site. The report does observe, however, that some local stability problems exist and the factors of safety of individual cuts and fills will have to be increased by redesign and reconstruction to achieve a stable final reclaimed configuration, in accordance with the regulations. Geo-Hydro, Consultants, Inc. completed the Phase II analyses on April I5, 1982, in accordance with the stipulated requirements of the originally approved Permit (See Volume 6). The stipulated tasks of the Phase II analyses included evaluation of nearby landslides mapped by the Colorado Geological Survey, completion of test drilling and test pits, installation of monitor wells, soil and rock testing, and the completion of a series of stability analyses for current slope configurations of the existing surface facility area at the Bowie No. 1 Mine. The operator, in conformance with recommendations made by its geotechnical consultants, has installed sophisticated tilt-metering devices within several of the fill benches which exist within the surface facilities at the Bowie No. 1 Mine. The purpose of these devices is to collect additional geotechnical data with which to verify past analytical assumptions and with which to complete final analysis and design, originally stipulated as Phase I[I of the surface facility studies, within the approved original permit. Utilizing the results ofGeo-Hydro, Consultants, Inc.'s analyses, Merrick & Company, Inc., design consultant to the operator, completed a Phase II amended design for the drainage facilities at the existing surface facility area of the Orchard Valley (Bowie No. 1) Mine. The operator also completed a detailed stability analysis and redesign of the proposed final reclaimed configuration for the surface facilities at the mine. This design was submitted and approved in Technical Revision No. 28. The cut and fill areas will be restored to their approximate original contour except for an access road which will remain following reclamation. The access road will be within a 20 foot wide terrace corridor associated with the access road. In August 1986, the operator submitted a permit revision application to construct a West Mine portal facility in the East Roatcap Creek valley at the Orchard Valley (Bowie No. 1) Mine. This 32