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5.4 Good Housekeenine All daily use areas will be maintained in a clean and orderly fashion. Trash will not be allowed to build up excessively, and all vehicles, including employees, will not be allowed to drip fluids that could contaminate stormwater runoff. Areas not actively mined will be mowed on a regular basis, if needed, to keep down the weeds and other undesirable growths. 5.5 Spill Prevention R Response Procedures Fuel spills associated with vehicle fueling procedures could occur at the fuel tank locations. The best prevention is diligence when fueling a vehicle. Specific spill prevention and response procedures are outlined in this facilities Spill Prevention, Contaittment, and Countermeasure Plan. These procedures are incorporated into this plan by reference. 5.6 Best Management Practices Best Management Practices (BMPs) selected for this facility are listed from the outfall upstream through the quarry and include: • Construct a sediment pond with an outlet structure, • Stabilize the channel by installing three grade control structures, • Backfill, regrade and vegetate sideslopes of the main channel, • Construct an energy dissipation area at the head of the channel (below the two existing sixty inch corrugated steel pipes (C.S.P.)), • Maintain existing sediment ponds and discharge structures, • Regrade and armor collection inlet to 54 inch C.S.P. from stockpile area and construct outlet, • Construct discharge area, pond, and outlet structure at maintenance shop (Sub-basin SF), and discharge to the existing vegetated drainage path, leading to the confluence with the main channel, • Repair erosion gullies and revegetate existing damage on fill slopes, • Install temporary erosion controls as needed during revegetation and reclamation, • Continue reclaiming completed mining areas and revegetating exposed soil and fill areas. All of the above mentioned BNIPs are explained in more detail in this facilities Master Drainage Plan Report, prepared in October of 1993. All aspects of the Master Drainage Plan are incorporated into this Stormwater Management Plan by this reference. Completion of the BMPs will be an ongoing process as stockpiles are put up or moved around, as disturbed azeas aze reclaimed, as new azeas are opened up for mining, and as roads and mining areas are used and developed. 5