(a) GENERAL. When used in these rules and any materials incorporated herein by reference, the following definitions apply unless their application would be inconsistent with the Act. Terms not otherwise defined in Section 4(a) of this Chapter will have the meaning given by RCRA. - (i) Air contaminant. Odorous material, dust, fumes, mist, smoke, other particulate matter, vapor, gas or any combination of the foregoing, but shall not include steam or water vapor.
- (ii) Air pollution. The presence in the outdoor atmosphere of one (1) or more contaminants in such quantities and duration which may be injurious to human health or welfare, animal or plant life, or property, or unreasonably interferes with the enjoyment of life or property.
- (iii) Assumed target intakes. The standard EPA exposure assumptions and factors as defined in the "OSWER Directive 9285.6-03," and the EPA "exposure factors handbook," as specified in "Exposure Factors Handbook", 2011, U.S. Environmental Protection Agency, EPA 600/R-09/052F.
- (iv) CFR. The United States Code of Federal Regulations.
- (v) Chronic. That time period from seven years to a lifetime.
- (vi) Class I facilities. Any non-commercial or non-profit treatment or storage facility, not engaged specifically in incineration, used solely to manage hazardous wastes which are generated by the owner of the facility at the site of the facility, or any existing, but closed treatment, storage, or disposal facility.
- (vii) Class II facilities. Any non-commercial or non-profit treatment facility engaged specifically in incineration or any non-commercial or non-profit facility engaged in the disposal of hazardous waste which is used solely to manage hazardous wastes which are generated by the owner of the facility at the site of the facility.
- (viii) Class III facilities. Are:
- (A) Any commercial treatment, storage, or disposal facility;
- (B) Any other facility used to manage hazardous wastes which is not classified as either a Class I or Class II facility.
- (ix) Council. The Environmental Quality Council established by the Act.
- (x) DDESB. Department of Defense Explosives Safety Board.
- (xi) Exposure. Contact with a chemical or physical agent.
- (xii) HSWA. Hazardous and Solid Waste Amendment of 1984.
- (xiii) HSWA drip pad. A drip pad where F032 wastes are handled.
- (xiv) HSWA tank. A tank owned or operated by a generator of less than one-thousand kilograms of hazardous waste in any single calendar month, new underground systems, and those existing underground tanks that cannot be entered for inspection.
- (xv) HWM. Hazardous Waste Management.
- (xvi) HWMF. Hazardous Waste Management Facility.
- (xvii) HWRR. Wyoming Hazardous Waste Rules and Regulations.
- (xviii) IBR. Incorporation By Reference.
- (xix) Municipality. A city, town, county, district, association or other public body.
- (xx) Non-HSWA drip pad. A drip pad where F034 or F035 wastes are handled.
- (xxi) Non-HSWA tank. Inground tank systems, onground tank systems, aboveground tank systems, and existing underground tank systems that can be entered for inspection.
- (xxii) One excess cancer per million people. A probability of one chance in one million of an individual developing cancer.
- (xxiii) Potentially exposed populations. Any or all individuals potentially coming into contact with contaminants of concern, including those groups within the exposed population that because of specific health effects of some pollutants or factors related to the population itself, would experience a higher risk than would the average population as a result of a given level of exposure.
- (xxiv) Risk. The probability of adverse human health or environmental effects from exposure to toxic substances or materials released into the environment.
- (xxv) Sewer system. Pipelines, conduits, storm sewers, pumping stations, force mains, and all other constructions, devices, appurtenances and facilities used for collecting or conducting wastes to an ultimate point for treatment or disposal.
- (xxvi) Subchronic. That point in time between two weeks to seven years.
- (xxvii) Voluntary Remediation Program, or VRP. Wyoming State cleanup program established in the year 2000 per Article 16 of the Act.