Citation

87 FR 7624

Canonical document for this Federal Register citation.

National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units-Revocation of the 2020 Reconsideration, and Affirmation of the Appropriate and Necessary Supplemental Finding; Notice of Proposed Rulemaking Wednesday, February 9, 2022 87 FR 7624