Department of Environmental Quality Docket OAC 252:517 Proposed Rule

ok-1245: Department of Environmental Quality — Disposal of Coal Combustion Residuals from Electric Utilities

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Summary

The Department of Environmental Quality (DEQ) is proposing to amend Oklahoma Administrative Code (OAC) 252:517 to incorporate federal changes to maintain Oklahoma’s Coal Combustion Residuals (CCR) program approval. Included are new requirements for two formerly unregulated CCR units: legacy CCR surface impoundments and CCR management units. Under this proposed rule, owners and operators of these CCR units will be required to come into compliance with a subset of regulations and commence closure of these units within specified timeframes. Additional minor changes include updated closure standards, increased documentation retention timelines for CCR websites, and citation corrections. The gist of this rulemaking is to add new requirements for legacy CCR surface impoundments and CCR management units and to make other changes to ensure Oklahoma’s state CCR program is at least as protective as the federal counterpart.

The agency’s own summary, as published.

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