OAR 340-043-0010: Definitions

Unless the context requires otherwise, as used in this Division: (1) “Chemical Process Mine” means a mining and processing operation for metal-bearing ores that uses chemicals to dissolve metals from ores. (2) “Department” means the Department of Environmental Quality. (3) “Guidelines” means this body of rules contained in OAR 340-043-0080 through 340-043-0180. (4) “Positive Exclusion of Wildlife” means the use of such devices as tanks, pipes, fences, netting, covers and heap-leach drip-irrigation emitters or covered emitters. (5) “Tailings” means the spent ore resulting from the milling and chemical extraction process.