Arizona Hazardous Waste Storage regulations & environmental compliance analysis

Arizona Hazardous Waste Storage: What you need to know

Governing Law and Regulations

Hazardous waste storage facility requirements: Arizona Administrative Code Rules (AZ Admin. Code R) 18-8-264(A) and AZ Admin. Code R 18-8-265(A) (interim status)

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Containment systems for tanks: AZ Admin. Code R 18-8-265(J)

On-site storage rules for generators:

Inspection records for generators: AZ Admin. Code R 18-8-262(G)

Ignitable/reactive/incompatible waste: AZ Admin. Code R 18-8-262(M)

Regulatory Agency

Arizona Department of Environmental Quality (ADEQ) Waste Programs Division

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Arizona follows the federal requirements for generators accumulating hazardous waste on-site without a permit through its adoption of the U.S. Environmental Protection Agency's (EPA) Hazardous Waste Generator Improvements Rule, effective in Arizona as of March 1, 2019. The state's more stringent rules for small quantity generators (SQGs) and large quantity generators (LQGs) are in connection with inspection records and accumulation of ignitable, reactive, or incompatible wastes.

In addition, Arizona adopts by reference the federal hazardous waste storage rules for permitted and interim-status treatment, storage and disposal facilities (TSDFs), with additional standards in connection with permits, registration, and containment systems of hazardous waste underground hazardous waste tanks.

Administration and enforcement. The Arizona Department of Environmental Quality (ADEQ) administers and enforces the hazardous waste storage rules in Arizona.

State Requirements

STORAGE FACILITIES

Permits and Registration

Permits. The state has additional permit application requirements for storage facilities, including those ...


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