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3.4 Materials Handling and Spill Prevention <br />Materials Handling and Spill Prevention BMP <br />Approximate Location <br />Portable toilets- anchored, located away from <br />North side of the site, next to the office <br />detention ponds <br />building <br />Temporary water -proof and bear -proof <br />North side of site in storage area <br />construction trash receptacle <br />Permanent water -proof and bear -proof trash <br />North side of the site, next to the office <br />receptacle <br />building <br />Fuel storage tank - livestock tank for secondary <br />North side of the site, near the storage area <br />containment <br />Diesel powered generator - secondary <br />North side of site, next to office <br />containment <br />Explosives -ATF/ MSHA approved Explosive <br />Mine surface until adequate underground <br />Magazine (3) <br />development has been achieved, then they will <br />be placed underground <br />4.0 Final Stabilization and Long -Term Stormwater Management <br />All Best Management Practices discussed in the Stormwater Management Plan, with the <br />exceptions of the Temporary Concrete Washout and the Temporary Construction Trash <br />Receptacle, will stay in place and be maintained throughout the life of the Liberty Mine. <br />Final Stabilization during Mine Operations: <br />• Perimeter Control: Silt Fencing, and Earthen Berm <br />• Stockpile Perimeter Control: Straw Wattles <br />• Topsoil Stockpile Stabilization: Vegetation <br />• Stabilized Entrance: Six permanent concrete inlet structures and culverts <br />• Slope Stabilization: Six Rip Rap Plunge Pools at each outfall and Rock Check Dams <br />down gradient and Straw Wattles <br />• Dust Control: Water or Chemical Soil Treatments <br />Final Stabilization after Mine Closure <br />The site Reclamation Plan, Exhibit D of the Liberty Mine Limited Impact (110 -d) Permit <br />Application, will be executed and achieve final stabilization of the site. A uniform <br />vegetative cover of at least 70% of pre- disturbance levels will be achieved during this <br />time. <br />8 <br />