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Stormwater at this site is routed into the excavated sediment basins which are located at the <br />bottom of the excavation areas. Diversion swales are constructed on the uphill side of the <br />equipment parking areas to route stormwater around the equipment. <br />Specific spill prevention and response procedures are outlined in this facilities Spill Prevention, <br />Containment, and Countermeasure Plan. <br />Erosion control ditches should be constructed at the base of all stockpiles that are not used on a <br />regular basis. This will help prevent sediment from being carried away from the stockpile. <br />Revegetation of disturbed areas remains the most efficient and economical BMP for reducing <br />sediment transport from large areas. Roots hold soils in place and surface growth filters sediment <br />and reduces runoff velocities, causing deposition of suspended soil panicles. Disturbed areas will <br />be revegetated as soon as it is economically feasible to do so. Mulching of revegetated azeas will <br />occur if needed, to hold soils in place and prevent both the seeds and the soils from washing away <br />prior to germination. <br />5.7 Employee Education <br />The S~1'MP Administrator shall review environmental and safety procedures with all personnel as <br />required by the Mining Safety and Health Administration. This training session will be conducted <br />to inform personnel of procedures to be followed so that the operation is conducted in compliance <br />with all permits. Some of the topics which may be included are: <br />Spill Prevention and Response <br />Good Housekeeping Techniques <br />Alaterial Management Procedures <br />Sediment and Erosion Prevention <br />Supervisors will be responsible for instructing those under their direction to implement the <br />SWMP, so that the conditions of the CDPS permit are maintained. <br />All existing employees will receive training in the above procedures within three months of the <br />completion of the Stormwater Management Plan. All new employees added after the initial <br />training session shall be informed of procedures within two weeks of their hire date. <br />5.8 Testing and Control for Non-Stormwater Discharges <br />This site has been visually inspected and evaluated for the presence of any non-stormwater <br />discharges. Groundwater at this facility is not intercepted by the mining operation. All <br />stotmwater that is routed into the sediment basins that comes into contact with any aspect of the <br />mining operation becomes classified as process water. The process water is discharged from the <br />site under the site Colorado Dischazge Permit #COG-500592. There is no acid mine drainage or <br />spoil springs occurring at this site. The sanitary system in place at this facility consists of a septic <br />system for the office building. <br />6 <br />