Oklahoma Closure/Post-Closure Plans: What you need to know

Governing Law and Regulations

Hazardous waste treatment, storage, and disposal facility (TSDF) closure and post-closure rules: Oklahoma Administrative Code (OAC) 252:205-3-2(f) and OAC 252:205-3-2(g) (interim status)

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State closure requirements: OAC 252:205-9-5

Post-closure permit application fee: OAC 252:205-21-4(a)(2)

Regulatory Agency

Oklahoma Department of Environmental Quality (DEQ) Land Protection Division Hazardous Waste Compliance and Inspection Section

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Oklahoma's closure and post-closure rules for hazardous waste TSDFs include the federal requirements and the state's additional provisions in connection with closure cost estimates and post-closure permit fees.

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. Oklahoma follows the federal rules specific to facilities using containers, hazardous waste storage tanks, hazardous waste landfills, land treatment units, and surface impoundments.

Administration and enforcement. DEQ's Land Protection Division administers and enforces the closure and post-closure rules in Oklahoma.

State Requirements


OAC 252:205-9-5

Applicability. Oklahoma emphasizes that the federal closure and post-closure rules of 40 CFR 264 Subpart G and the financial requirements of 40 CFR 264 Subpart H "apply to all areas of treatment, storage, disposal, or off-site recycling facilities where hazardous waste is handled. This includes all recycling units, ...

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State Requirements

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Oklahoma Closure/Post-Closure Plans Resources

Closure/Post-Closure Plans Products

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