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COMPOSITE REPORT - Page 7 Application No. CUP 1484 2. Spill Prevention Control and Countermeasure Plan: This plan provides spill prevention measures on equipment and policies for personnel. It also provides containment measures, but notes that no special equipment/measures will be taken to prevent spilled materials from leaving the site. The largest potential spill would 2,500 gallons from a refueling truck. No fuel would be stored on site. 3. Fugitive Dust Control Plan: This one-page plan describes how the operator proposes to control dust from the site, focusing on water spraying and covering loose loads on the property and leaving in trucks. The operator revised this plan on April 15 in response to staff comments on the original plan. 4. Transportation Study: Paulson and Associates projected the traffic impact of this project. Paulson estimated that the operation would generate an average of 160 hauling trips per day and a maximum of 250 trips per day from Spring through Fall. Ninety percent of those trips would be from and to the north. Paulson suggested construction of a 150 foot acceleration lane for northbound vehicles from the haul drive, a 150 turn lane from the south into the haul drive, a passing lane along the west side of STH 69, and no obstructions in vision triangles. F. Environmental Impact Analysis: Since the public hearing, Planning staff have requested and received comments from representatives of the following agencies to address environmental issues: Wisconsin Geological and Natural History Survey, Wisconsin Department of Natural Resources--Southcentral Region, State Historical Society of Wisconsin, Dane County Land Conservation, Dane County Lakes and Watershed Division, Dane County Division of Public Health--Environmental Health, and Dane County Parks. Several of these representatives also met with the proposed operator on April 1 to review the proposal. Their comments are included elsewhere in this packet, and summarized as follows: 1. The conclusions of the Woodward-Clyde report and subsequent hydrologic studies are reasonable and supportable. . 2. The potential source of groundwater contamination would be accidental fuel spills. Existing water quality and levels should be established before operations and annual testing should be conducted for petroleum-based contaminants. 3. An erosion control plan will have to be approved, implemented, and maintained throughout the duration of operations and reclamation. 4. The interaction of the proposed operation and water levels and quality in Badger Mill Creek should be considered. There was some concern that the operation could reduce groundwater flows into the creek under certain conditions. 5. The County has identified the site as part of the proposed Badger Mill Creek Resource Area. The exact boundaries of that area would be delineated through a public planning process. DNR staff would like to see a 100 to 500 feet buffer on either side of the Creek be restored to pre-settlement conditions, and be considered for public ownership.