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North County Recycling Center and Sanitary Landfill Storm Water Pollution Prevention Plan Page 47 Area Activities Pollutant Sources Potential Pollutants Best Management Practices Landfill x Receiving and burying of non-hazardous landfill wastes x Earthwork x Operation of heavy equipment x Operation of the landfill gas collection and flare system x Operation of the landfill leachate collection and treatment system x Wind-blown or tracked-out sediment x Fugitive trash and debris that is blown, spilled, or tracked from the landfill module x Fugitive dust x Non-storm water from dust control water or spills from disposal activities x Oil and grease from vehicles x Organic enrichment from green waste and trash manifested as elevated BOD x Sediment x Heavy metals including copper, iron, mercury, and zinc x Pathogens x Oil & grease x Hydrocarbons x Nutrients x Pesticides x Other potential toxics x A local retention basin is used to provide primary settling of solids. x Storm water from the local retention basin is pumped to the Interim Sedimentation Basin (ISB) where solids can settle out. x Temporary wind screens are used to capture fugitive trash x Water trucks are used to prevent wind erosion x Track out controls have been installed at the exit of the active landfill module x County crews regularly canvas the surrounding areas and the perimeter of the facility to pick-up fugitive trash x Erosion and sediment controls are used for the conveyance of storm water and the stabilization of completed slopes and modules x Surrounding roadways are inspected daily and swept as necessary. x Areas of active landfilling are covered at the end of each day with “daily cover” to prevent wind-blown trash, scavenging, vector problems, emissions, and storm water pollution. x Various permeable surfaces utilize crushed rock to assist with erosion control. x Storm water conveyances swales immediately up-gradient of the outfalls utilize both standard compost filtering socks and compost filtering socks with a metal absorbing additive for check dams and Sediment Traps. x Storm water conveyances swales contain check dams for erosion and sediment control. x West storm water conveyance swale redesigned to detain runoff.