Administrative Rules of Montana › Department 17 - ENVIRONMENTAL QUALITY › Chapter 17.50 - SOLID WASTE MANAGEMENT › Subchapter 17.50.11 - Landfill Operating Criteria › Rule 17.50.1102 - DEFINITIONS

Current through Register Vol. 13, July 5, 2024
In this subchapter, the following definitions apply:
(1) "Active life" has the meaning given in
				ARM 17.50.502.
(2) "Active portion" means that part of a
				facility or unit that has received or is receiving wastes and that has not been
				closed in accordance with ARM
				17.50.1403.
(3) "Aquifer" means any geologic formation,
				group of formations, or part of a formation capable of yielding significant
				quantities of ground water to wells or springs.
(4) "Class II landfill facility" has the
				meaning given in ARM
				17.50.504.
(5) "Class III landfill facility" has the
				meaning given in ARM 17.50.504.
(6)
				"Class IV landfill facility" has the meaning given in ARM 17.50.504.
(7) "Closure" has the meaning given in ARM
				17.50.502.
(8) "Conditionally
				exempt small quantity generator wastes" means wastes from a generator defined
				in 40 CFR
				261.5.
(9) "Department" has the meaning given in ARM
				17.50.502.
(10) "Disease vectors"
				means any rodents, flies, mosquitoes, or other animals, including insects,
				capable of transmitting disease to humans.
(11) "Existing," when used in conjunction
				with "Unit" or a type of unit, has the meaning given in ARM
				17.50.502.
(12) "Facility" has the
				meaning given in ARM 17.50.502.
(13) "Gas condensate" means the liquid
				generated as a result of a gas recovery process at a Class II landfill
				unit.
(14) "Ground water" has the
				meaning given ARM 17.50.502.
(15)
				"Group II waste" has the meaning given in ARM
				17.50.503.
(16) "Household waste" means any solid waste,
				including garbage, trash, and sanitary waste in septic tanks, derived from
				households, including single and multiple residences, hotels and motels,
				bunkhouses, ranger stations, crew quarters, campgrounds, picnic grounds, and
				day-use recreation areas.
(17)
				"Landfill" has the meaning given in ARM 17.50.502.
(18) "Lateral expansion" has the meaning
				given in ARM 17.50.502.
(19)
				"Leachate" has the meaning given in ARM 17.50.502.
(20) "Liquid waste" means any waste material
				that is determined to contain "free liquids,'' as defined by Method 9095B
				(Paint Filter Liquids Test), included in "Test Methods for Evaluating Solid
				Waste, Physical/Chemical Methods'' (EPA Publication No. SW-846).
(21) "Lower explosive limit" means the lowest
				percent by volume of a mixture of explosive gases in air that will propagate a
				flame at 25° C and atmospheric pressure.
(22) "New," when used in conjunction with
				"unit" or a type of unit, has the meaning given in ARM 17.50.502.
(23) "Open burning" means the combustion of
				solid waste without:
(a) control of
				combustion air to maintain adequate temperature for efficient
				combustion;
(b) containment of the
				combustion reaction in an enclosed device to provide sufficient residence time
				and mixing for complete combustion; and
(c) control of the emission of the combustion
				products.