Terms which have been defined in the Act shall have the same definitions when utilized in these Regulations. Additional definitions are as follows:

1. A. “Temporary overburden” means overburden which will be moved back into the mine or which will otherwise be disposed of in reclaiming the mined areas.
2. B. “Permanent overburden” means overburden that will be moved directly from the source to its planned final location.
3. C. “Best Management Practices” (erosion and sediment control) means a practice or combination of practices that are determined by the Department to be an effective and practicable means of controlling nonpoint pollutants, particularly a practice or combination of practices that are determined to be an effective and practicable means of erosion and sediment control. Acceptable practices may include, but not be limited to: check dams, diversions, filter berms, drop structures, dust suppressants, mulching, riprap, sediment basins, sediment traps, engineered stream crossings, and vegetation.
4. D. “Topsoil” means the surface layer and/or its underlying materials that have properties capable of producing desirable reclamation and vegetation.