Laserfiche WebLink
STATE CIF COLORADO <br /> Bill Owens,Governor <br /> Douglas H.Benevento,Executive Director �woF'cOro <br /> Dedicated to protecting and improving the health and environment of the people of Colorado H` <br /> 4300 Cherry Creek Dr.S. Laboratory Services Division " • <br /> Denver,Colorado 80246-1530 8100 Lowry Blvd, t r <br /> Phone(303)692-2000 Denver,Colorado 80230-6928 1876 <br /> TDD Line(303)691-7700 (303)692-3090 Colorado Department <br /> Located in Glendale,Colorado <br /> of Public Health <br /> http:11www.cdphe.state.00.us and Environment <br /> September 22, 2004 <br /> Mr. Brian Lorch <br /> Summit County Open Space and Trails <br /> PO Box 5660 <br /> Frisco, CO 80443 <br /> Re: Voluntary Cleanup and Redevelopment Act Application for the IXL/Royal Tiger Mine and Mill <br /> located along the Swan River in Summit County,Colorado. <br /> Dear Mr. Lorch <br /> The application you have submitted on behalf of Summit County Open Space and Trails(the applicant) <br /> under the Voluntary Cleanup and Redevelopment Act,for the IXL/Royal Tiger Mine and Mill located in <br /> Summit County,Colorado has been reviewed. The review has found that the application is complete <br /> and proposes actions that are protective of human health and the environment; however,there are few <br /> specifics that require clarification prior to final approval of the application. <br /> The numbers proceeding CDPHE's comments correspond to the section number in the Voluntary <br /> Cleanup Application where the specifics of each remedial alternative is detailed. <br /> 9.6 Verification Monitoring <br /> 9.6.1 Improve Conveyance of Adit Discharge Around the Fine-Grained Tailings <br /> Given the high probability of iron hydroxide build up on the channel lining materials,who will <br /> be responsible for cleaning and maintaining the conveyance and what is the Operation and <br /> Maintenance(O&M)funding plan for the long term life of the project? Will all O&M activities <br /> be conducted by county personnel? Also,will there be a fund created to address O&M <br /> requirements for the foreseeable future? <br /> The VCUP application states that the measured adit discharge values vary from 5 to 76 gpm, <br /> what will the design flow be for the adit discharge channel? Will there be additional flow <br /> measurements over the course of the year to assist in channel design? If additional data is <br /> required,who will be responsible for collecting flow measurements? <br /> The application calls for plans to convey alit flow under the existing road via a culvert. Is there <br /> concern that flow through the culvert will be impeded by freeze up of the culvert during the <br />