Environmental Protection Agency
The Environmental Protection Agency (EPA) is proposing to revise a Federal Implementation Plan (FIP) applicable to sulfur dioxide (SO<INF>2</INF>) emissions from several sources located in Billings and Laurel, Montana. Specifically, the EPA is proposing to revise a portion of the FIP promulgated by the EPA in 2008 (2008 Billings/Laurel SO<INF>2</INF> FIP) by removing a provision which contained an affirmative defense for exceedances of flare emission limits during malfunctions, startups, and shutdowns. The EPA is proposing this action pursuant to the Clean Air Act (CAA).
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 52 [EPA-R08-OAR-2023-0587; FRL-11571-01-R8] AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. SUMMARY: The Environmental Protection Agency (EPA) is proposing to revise a Federal Implementation Plan (FIP) applicable to sulfur dioxide (SO 2 ) emissions from several sources located in Billings and Laurel, Montana. Specifically, the EPA is proposing to revise a portion of the FIP promulgated by the EPA in 2008 (2008 Billings/Laurel SO 2 FIP) by removing a provision which contained an affirmative defense for exceedances of flare emission limits during malfunctions, startups, and shutdowns. The EPA is proposing this action pursuant to the Clean Air Act (CAA). DATES: Written comments must be received on or before December 16, 2024. Public hearing: If anyone contacts us requesting a public hearing on or before October 30, 2024, we will hold a hearing. Additional information about the hearing, if requested, will be published in a subsequent Federal Register document. Contact Adam Clark at clark.adam@epa.gov , to request a hearing or to determine if a hearing will be held. ( printed page 82949) ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R08-OAR-2023-0587, to the Federal Rulemaking Portal: https://www.regulations.gov . Follow the online instructions for submitting comments. Once submitted, comments cannot be edited or removed from https://www.regulations.gov . The EPA may publish any comment received t…
Other Federal Register documents from the same docket.
Citation: 89 FR 82948
