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Arizona Department of Environmental Quality (ADEQ) Waste Programs Division
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Arizona adopts by reference the federal hazardous waste tank requirements, including the organic air emissions standards. The state also adopts by reference the U.S. Environmental Protection Agency's (EPA) Hazardous Waste Generator Improvements Rule, effective in Arizona as of March 1, 2019, which includes standards for generators accumulating hazardous waste on-site in tanks. There is an additional state requirement for the containment systems of certain existing interim-status underground hazardous waste tanks.
• Administration and enforcement. The Arizona Department of Environmental Quality (ADEQ) administers and enforces the hazardous waste tank requirements in Arizona.
Arizona has additional requirements for owners and operators of existing interim-status underground hazardous waste tanks whose containment systems do not yet meet the standards of 40 CFR 265.193. See the state section HAZARDOUS WASTE STORAGE for more information.
TSDF PERMITS AND FEES
Owners and operators of hazardous waste TSDFs that use tanks must comply with additional permit application requirements and pay ...