2011-09-09_GENERAL DOCUMENTS - M2008070

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Dedicated to protecting and improving the health and environment of the people of Colorado John W. Hickenlooper, Governor Christopher E. Urbina, MD, MPH, Executive Director and Chief Medical Officer Grand Junction Regional Office 222 South 6 St. Rm. 232 Grand Junction, CO 81501 -2768 Phone: (970) 248 - 7164 http.• / /www.cdphe.state.co.us September 7, 2011 / Mr. Jeff Madison / Rio Blanco County Planning Department/ M - 0 b11V// P.O. Box 599 Meeker, CO 81641 Re: Technical Comments Concerning Site Conditions V Application for Certificate of Designation Western Gravel E &P Waste Disposal Facility - Solids Treatment Operation Rio Blanco County, Colorado Dear Mr. Madison: ifvn, 553 STATE OF COLORADO nocErvto SEP 1 ZUJ1 Division of Reclamation, Mining and Safety Colorado Departmen✓ of Public Health and Environment � Ais� CEW. END SEP 0 9 2011 GRAND ,IUidt;r:UN _ :; OFFICE DIVISION OF RECLAMATION MINING & SAFETY The Hazardous Materials and Waste Management Division of the Colorado Department of Public Health and Environment (Department) received an Application for a Certificate of Designation (Application) for the Western Gravel E&P Waste Disposal Facility from Western Gravel LLC. The Application dated March 1, 2011was referred to the Department by Rio Blanco County and received April 4, 2011. The Application proposes 57.4 acres for a Certificate of Designation located in Section 6 of Township 1 North and Range 96 West with an approximate physical address of 41138 County Road 5 in Rio Blanco County (County). The facility proposes to operate a solids treatment operation which would accept only waste (solids) from exploration and production activities that are exempt from the Resource Conservation and Recovery Act (RCRA) regulation as a hazardous waste. Western Gravel currently operates a sand and gravel mine on the property. If the current proposal is approved the pits resulting from the mining would be recontoured and lined with a double synthetic liner, leak detection system and ieachate collection systeni prior to acceptance of waste. The facility will be developed in phases. In accordance with the solid waste statute C.R.S., 30 -20 -103 (2) a "completeness review" of the Application was conducted and in correspondence dated May 2, 2011 the Department determined the Application to be complete. The Application was reviewed to determine its compliance with the requirements set forth in the Solid Waste Disposal Sites and Facilities Act, Title 30, Article 20, Parts 1 and10 of the Colorado Revised Statutes, as amended, and with the regulations promulgated there under 6 CCR 1007 -2 (Regulations). In accordance with the solid waste statute C.R.S., 30 -20 -103 (2) a "technical evaluation" of the Application is required. This effort is nearing completion and we hope to provide technical comments to the Applicant in the next week. In the County's referral letter and our meeting August 31, 2011 . you requested that the Department provide a letter (for County Planning purposes) describing the results of the technical review with regards to the geology, hydrogeology and other site conditions (bedrock, groundwater, etc.) and the testing and other technical information submitted by the applicant. You have stated that the County is relying on the Department's technical expertise in lieu of hiring a third party. The purpose of this correspondence is to respond to the County's request so that the county planning process may continue.