Arizona Corrective Action regulations & environmental compliance analysis

Arizona Corrective Action: What you need to know

Governing Law and Regulations

Corrective action requirements: Arizona Administrative Code Rules (AZ Admin. Code R) 18-8-264(A)

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Risk-based corrective action (RBCA) for underground storage tanks (USTs): Arizona Revised Statutes (AZ Rev. Stat.) 49-1005

Regulatory Agency

Arizona Department of Environmental Quality (ADEQ) Waste Programs Division

ADEQ Tank Programs Division

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Arizona incorporates by reference the federal corrective action regulations for hazardous and solid (nonhazardous) waste units at treatment, storage, and disposal facilities (TSDFs). The state rules also include the federal 2002 rules for corrective action management units (CAMUs), temporary units (TUs), and staging piles, including the federal provision that allows placement of CAMU-eligible wastes in an off-site hazardous waste landfill. See the national section CORRECTIVE ACTION to review the federal rules. Arizona follows the federal corrective action rules for USTs.

Administration and enforcement. ADEQ administers and enforces the corrective action requirements and the RBCA Program in Arizona.

State Requirements


AZ Rev. Stat. 49-1005

RBCA was originally designed by the American Society for Testing and Materials (ASTM) to address sites contaminated by petroleum from USTs. RBCA is now used to address all types of contamination, including brownfields, RCRA sites, and municipal solid waste sites, although in Arizona it is used primarily for USTs.

Arizona requires corrective actions in connection with USTs to (AZ Rev. Stat. 49-1005(D)):

  • Ensure the protection of public ...

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