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Smnrrwarrr ,Nartagrment P(un <br />Slurco Corporation will also continue to provide the Colorado Division of Minerals and Geology <br />a copy of water quality monitoring reports under its existing NPDES Permit. <br />SAMPLING AND ANALYSIS METHODOLOGY <br />Slurco Corporation will use analysis and sampling methods conforming to Colorado Regulations <br />for Effluent Limitations (10.1.5) and to 40 CFR Part 136. <br />RECORDS <br />Upon request of the Colorado Department of Health, Colorado Division of Minerals and <br />Geology or U.S. Environmental Protection Agency, Slurco Corporation will make available <br />records pertaining to the implementation of the amended SWMP for the Reclaimed Canadian <br />Strip Mine. The records will be kept in a log. These records will be established and maintained <br />by Slurco Corporation at the County Courthouse in Walden, Colorado. <br />BEST MANAGEMENT PRACTICES <br />Slurco Corporation will coordinate applicable best management practices at its Reclaimed <br />Canadian Strip Mine to reduce or eliminate pollutants entering waters of the U.S. and the State <br />of Colorado. <br />Best management practices, as defined by the U.S. Environmental Protection Agency, are those <br />schedules of activities, prohibition of practices, maintenance procedures and other management <br />practices including treatment requirements operating procedures and other practices to control <br />site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw material storage <br />areas. <br />The following discussion gives the specific application of these practices at the Reclaimed <br />Canadian Strip Mine by Slurco Corporation and establishes these management practices to <br />control pollutants in stotmwater discharges. The Canadian Strip Mine site was completely <br />reclaimed in 1987, including removal of all buildings (all pre-fab or mobile), temporary roads, <br />and related facilities. Sediment control structure (except ponds 001 and 002) were also removed <br />in 1991. The removal of these facilities and the ceasing of operation represents a highly <br />significant and effective form of stotTrtwater management. <br />Practices to control site runoff at the Reclaimed Canadian Strip Mine have been extensive and <br />reflect the extent to which Slurco Corporation have worked diligently to schedule activities to <br />prohibit practices and to maintain procedures which restrict or prevent pollutants in public <br />waters. For example, in 1980 three sedimentation ponds (001, 002 and 003) were constructed <br />to collect mine site drainage. In 1991, sedimentation pond 003 and temporary diversion ditches <br />R L091 O/01-D-95f 10:56amr 6 <br />