2011-08-02_PERMIT FILE - P2011024

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Management — Gunnison Field Office Hazardous Materials Coordinator at (970) 642 -4951. The Colorado Department of Public Health and Environment (CDPHE) should also be notified, if applicable, through the 24 -hour spill reporting line at 1 (877) 518 -5608. 4. The stream drawdown of 40% of the volume dictated by the US Forest Service's Inland Native Fish Strategy does not apply to this region. Water remains scarce within the project area and any available water is needed for stock watering, wildlife, fisheries and may be encumbered by existing water rights. Consequently, water should be trucked into each of the five exploration sites. Water used to fill the trucks should not be from waters on BLM lands. Previous operators have obtained water for exploration activities from local landowners and ranchers. However, if this is not possible, and water from BLM streams is used (subject to state water laws), the following guidelines need to be incorporated: Operating Guidelines (from National Marine and Fisheries Service Southwest Region. Water Drafting Specifications MFS, 2001) • Pumping rate shall not exceed 350 gallons per minute. • The pumping rate shall not exceed ten percent of the stream flow. • Seek streams and pools where water is deep and flowing, as opposed to streams with low flow and small isolated pools. • Pumping shall be terminated when the tank is full. The effect of single pumping operations, or multiple pumping operations at the same location, shall not result in obvious draw -down of either upstream or downstream pools. • Each pumping operation shall use a fish screen. The screen face should be oriented parallel to flow for best screening performance. The screen shall be designed and used such that it can be submerged with at least one - screen - height - clearance above and below the screen. • The screen shall be cleaned as often as necessary to prevent approach velocity from exceeding 0.33 feet per second. Operators should withdraw the screen and clean it after each use, or as necessary to keep screen face free of debris. Pumping should stop for screen cleaning when approximately fifteen percent or more of the screen area is occluded by debris. A suitable brush shall be on board the truck for this cleaning operation. If the operator notes (a) impingement of any juvenile fish on the screen face or (b) entrainment of any fish through the screen mesh, he /she should stop operations and notify the Bureau of Land Management. • Operators shall keep a log on the truck containing the following information: Operator's Name, Date, Time, Pump Rate, Filling Time, Screen Cleaned (Y or N), Screen Condition and Comments. • These guidelines should be included as instructions in a logbook with serially numbered pages. This assures each truck operator easy access to this information. • §3809.313 (c) Consult with BLM about the location of existing access routes. BLM's preferred access route to reach Drill Site #1 is from the south end of BLM Road 3085, which can be accessed approximately 5 miles south on County Road 27 past the intersection of County Road 27 and BLM Road 3045 originally identified on your submitted map. This access change is to prevent excessive damage from the heavy equipment to the steep, eroding portion that comes up the drainage from Road Beaver Creek. Until a complete Notice is filed with this office, BLM is unable to determine that your proposed operations will not result in unnecessary or undue degradation as defined under 43 CFR 3809.5. In addition, we are unable to make a determination as to the amount of the required financial guarantee. Please submit the required information at your earliest convenience. Until we receive this information your Notice cannot be processed and the proposed exploration activity is not to take place. Page 2 of 3