National Emission Standards for Hazardous Air Pollutants for the Polyether Polyols Production Industry: Removal of Affirmative Defense

air-emissions · Rule · Published 2025-09-02 · Effective 2025-09-02 · 90 FR 42323

Document

Document number: 2025-16744
Federal Register citation: 90 FR 42323
CFR reference: 40 CFR 63
Type: Rule
Action: Final rule.
Category: air-emissions
Publication date: 2025-09-02
Effective date: 2025-09-02
EPA docket: EPA-HQ-OAR-2023-0509

Abstract

The U.S. Environmental Protection Agency (EPA) is finalizing amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Polyether Polyols (PEPO) Production under the Clean Air Act (CAA). Specifically, for this NESHAP, the EPA is finalizing the removal of affirmative defense provisions associated with the violation of air emission standards due to malfunctions.

Source

Authoritative: Federal Register document
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