Governing Law and Regulations
Arizona Department of Environmental Quality (ADEQ) Waste Programs Division Hazardous Waste Inspections and Compliance Unit
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Arizona's closure rules for hazardous waste treatment, storage, and disposal facilities (TSDFs) follow the federal requirements. Arizona includes a more stringent notification requirement for interim-status TSDFs. In addition, Arizona requires certain fees with the submission of an application for final or partial closure.
The state's TSDF post-closure rules also follow the federal rules. In addition to complying with the general closure and post-closure standards, owners or operators of the various types of TSDFs have to meet closure and post-closure standards specific to their facility types. Arizona follows the federal rules specific to facilities using chemical or biological treatment, containers, containment buildings, drip pads, hazardous waste storage tanks, incinerators, hazardous waste landfills, land treatment units, miscellaneous units, surface ...