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DECISION AND PERMIT - Page Three WY83-1 PERMIT GRANTED A Weather Modification Permit is hereby issued to the ApplicantJ such Pe~it being applicable solely to the operation described in the renewal application dated September 2, 1982 as modified by the TERMS AND CONDITIONS prescribed below. TERMS AND CONDITIONS The permit herein granted is limited by and subject to the fOllowing terms and conditions: 1. This permit shall be in force: November 1. 1982 until March 31, 1983 for drainages around the VailJ Beaver CreekJ Copper MountainJ Keystone/Arapahoe and Winter Park ski areas and December 1, 1982 until March 31, 1983 for the upper drainages of the Homestake Basin. 2. Although no impacts from seeding are expected to occur in the Leadville area, no generator shall be operated under conditions when the plume might be expected to reach Leadville. 3. The project area to be seeded is hereby limited strictly to that area set forth in the application as defined by the map submitted at the public meeting October 2lJ 1981 (Exhibit A) and specified at the public meeting in Vail September 29, 1982. The Applicant shall strictly adhere to the project area. The applicant shall use only those generators set forth on Attachment C. Generators shall be operated only under wind conditions specified in Attachment D. The Applicant shall provide the Executive Director a description of the location of each generator, with reference to roads, buildings, or other physical landmarks, and the nameJ mailing address, and telephone number of each generator operator. Any change in location or number of generators must be with the approval of the Executive Director. 4. The selection of suitable cloud seeding systems for seeding operations will be based on an evaluation of multiple meteorological and cloud physics parameters. Seeding criteria will be adhered to as set forth in Attachment B. 5. To reduce likelihood of spring flooding from increased snowmelt from snow developed by cloud seeding, the Applicant shall suspend seeding operations when one or more of the fOllowing occurrences take place: a. When the snowpack reaches 150% of NovemberJ DecemberJ or January snowpack average during the months of November, DecemberJ or January respectively b. When the snowpack reaches 140% of February snowpack average during the month of February c. When the snowpack reaches 135% of March snowpack average during the month of March The above suspension levels were appr~ved by the State Weather Modification Advisory committee. Average snowpack will be calculated by averaging the actual Soil Conservation Service snowpack readings for water content from representative snow sites in the project area. The sites shall be selected by the Executive Director and the Contractor. Monthly reports from each snow course listing the current snowpack readings shall be forwarded to the Executive Director.