Arizona Department of Environmental Quality (ADEQ) Hazardous Waste Section Waste Programs Division
U.S. Environmental Protection Agency (EPA) Region 9
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. The U.S. Environmental Protection Agency (EPA) provides an exclusion (delisting) procedure, allowing persons to demonstrate that a listed waste from a particular generating facility should not be regulated as a hazardous waste. Arizona has adopted by reference the federal delisting rules. The EPA encourages people to contact the Arizona Department of Environmental Quality (ADEQ) before filing a petition with EPA Region 9. For further information, see the national section DELISTING PETITIONS.
Arizona has adopted by reference the federal lists of hazardous wastes. See the national section LISTED WASTES for more information.
If a waste cannot be identified in one of the federal hazardous waste lists, it still might be hazardous because it exhibits one or more characteristics of hazardous waste—ignitability, corrosivity, reactivity, or toxicity. See the national section CHARACTERISTIC WASTE for additional information.
Arizona has adopted by reference the federal regulations for identifying and classifying hazardous waste, with additional requirements for the mixture rule exemption for wastewater. See the state section HAZWASTE DETERMINATION (CLASSIFICATION) for details.
• Administration and enforcement. According to Arizona regulation, petitions are first to be filed with EPA ...