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Co <br /> <br />Identify any toxic or hazardous materials to be used or present at the site and <br />identify measures to be used to prevent them from contaminating groundwater. If <br />the use of toxic or hazardous materials will lead to a regulated waste, discharge or <br />emission, discuss any alternatives considered to minimize or eliminate the waste, <br />discharge or emission. <br /> <br />Fuel and lubricants (oil, grease, hydraulic fluid) will be used at the Site for machinery <br />fueling and maintenance. Portable generators for the asphalt plant will be equipped with <br />fuel tanks. In addition, portable temporary fuel tanks will be used for the asphalt plant <br />operation. Any other oils, greases, or hydraulic fluid used at the Site will be delivered to <br />the site intermittently for on-site equipment via a mobile maintenance truck. Empty <br />containers and/or spent fluids will be removed from the site at the completion of <br />maintenance by the mobile maintenance truck and will be properly recycled off-site. <br /> <br />Ail on-Site storage tanks will be double-walled or equipped with secondary containment <br />features. Additionzlly, all tanks will comply with MPCA aboveground storage tank <br />rules. All oil handling personnel will be properly trained in spill prevention and <br />response. <br /> <br />Indicate the number, location, size and use of any above or below ground tanks to <br />store petroleum products or other materials, except water. Describe any emergency <br />response containment plans. <br /> <br />At this time, there will be no permanent above or below ~ound storage tanks located at <br />the Site. Temporary or portable above~ound tanks will be used store fuels. If storage <br />will exceed 1,320 gallons, a Spill Prevention Control and Countermeasure (SPCC) Plan <br />meeting the requirements of 40 CFR Part 112, will be prepared and implemented for the <br />Site. <br /> <br />21. <br /> <br />Traffic: <br /> <br />Parking spaces added: None <br />Existing spaces (if project involves expansion): None <br />Estimated total average daily traffic generated: 40 trucks per day <br />Estimated maximum peak hour traffic generated (if known) and time of occurrence: <br />Unknown <br />Provide an estimate of the impact on traffic congestion on affected roads and <br />describe any traffic improvements necessary. If the project is within the Twin Cities <br />metropolitan area, discuss its impact on the regional transportation system. <br /> <br />Average annual daily traffic (AADT) and heavy commercial average annual daily traffic <br />(HCAADT) volumes were reviewed for Trunk Highway 169 for the year 2000. In the <br />area of the Site, AADT volumes are 27,300 and HCAADT volumes are 1,140. The <br />estimated average of 40 truck per day is low compared to the current traffic volumes on <br />Trunk Highway 169. Therefore, the proposed mining operation is not anticipated to have <br />an adverse impact on traffic in the surrounding area. <br /> <br /> LIESCH ASSOCIATES, INC. <br />Hydrogeologists · Engineers · Environmental Scientists <br /> <br />· Jan-2003 · - Page 16 - <br /> <br /> <br />