Oklahoma Department of Environmental Quality (DEQ) Land Protection Division
U.S. Environmental Protection Agency (EPA) Region 6
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Oklahoma regulations for identifying characteristic hazardous waste are the same as the federal regulations, including the criteria for identifying hazardous waste by the characteristics of ignitability, corrosivity, reactivity, and toxicity. The federal characteristic waste requirements are described in the national section CHARACTERISTIC WASTE.
Wastes may be classified as hazardous because of their characteristics or if they have been placed on hazardous waste lists by the Environmental Protection Agency (EPA). See the state sections HAZWASTE DETERMINATION (CLASSIFICATION) and LISTED WASTES for additional guidance.
Many wastes that have been determined not to be hazardous wastes may still be dangerous and have special handling requirements for disposal. Nonhazardous wastes are managed under Oklahoma solid waste regulations. See the state section SOLID WASTE for more information.
Although Oklahoma has received EPA authorization to administer the federal Resource Conservation and Recovery Act (RCRA) rules, the Oklahoma Department of Environmental Quality (DEQ) does not have authority to delist RCRA wastes under federal rules 40 CFR 260.22. The federal rules and procedures for delisting petitions are effective in Oklahoma. EPA Region 6 administers delisting petitions ...