Data / Federal rules / 2025-19918

National Oil and Hazardous Substances Pollution Contingency Plan; Extension of Transition Period for New Product Schedule Listing

The Environmental Protection Agency published this final rule in the Federal Register on November 17, 2025. It took effect on November 17, 2025. Comments closed on December 17, 2025.

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What the agency says

The U.S. Environmental Protection Agency (EPA) is taking interim final action to revise the transition date in recent amendments to the requirements in Subpart J of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP) that governs the use of dispersants, other chemicals, and other spill mitigating substances when responding to oil discharges into jurisdictional waters of the United States. Specifically, the EPA is revising the date until which products listed on the current NCP Product Schedule will remain conditionally listed and available for use from December 12, 2025, to June 10, 2026, for certain agent categories for which there are no new products listed as of December 12, 2025, in accordance with recently amended testing and listing criteria. This rule will become effective immediately while the Agency seeks comments on this targeted revision to the new NCP Product Schedule transition date. EPA will respond and update this interim final action as appropriate.

Key facts

Document number: 2025-19918
Type: Final rule
Action: Interim final rule; request for comment
Agency: Environmental Protection Agency
Published: November 17, 2025
Takes effect: November 17, 2025
Comments due: December 17, 2025
Dates: This rule is effective on November 17, 2025. Comments must be received on or before December 17, 2025.
Docket: EPA-HQ-OPA-2006-0090; FRL-4526.2-01-OLEM
Regulation ID (RIN): 2050-AH43
Code of Federal Regulations: 40 CFR 300
Topics: Chemicals; Environmental protection; Oil pollution
Pages: 7

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on chemicals · Rules on environmental protection · Rules on oil pollution · Published in November 2025

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