Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 43 - CHEMICAL MINING
Section 340-043-0010 - Definitions
Current through Register Vol. 63, No. 3, March 1, 2024
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.
Stat. Auth.:ORS 468.020
Stats. Implemented:ORS 468.030 &ORS 517.952