Data / Federal rules / 2024-22171
Designation of Areas for Air Quality Planning Purposes; Redesignation Request and Associated Maintenance Plan for Whatcom County, WA 2010 SO2 Nonattainment Area
The Environmental Protection Agency published this proposed rule in the Federal Register on September 27, 2024. Comments closed on October 28, 2024.
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What the agency says
On July 25, 2024, the State of Washington (WA) submitted a request for the Environmental Protection Agency (EPA) to redesignate to attainment a portion of Whatcom County immediately surrounding the now permanently closed aluminum smelter, Intalco Aluminum LLC, which the EPA designated nonattainment for the 2010 sulfur dioxide (SO<INF>2</INF>) primary National Ambient Air Quality Standard (NAAQS). Washington also submitted a request for the EPA to approve a State Implementation Plan (SIP) revision containing a maintenance plan for the area. In response to this submittal, the EPA is proposing to take the following actions: determine that the Whatcom County (partial) SO<INF>2</INF> nonattainment area (NAA) is attaining the 2010 SO<INF>2</INF> primary NAAQS; approve Washington's plan for maintaining attainment of the 2010 SO<INF>2</INF> primary NAAQS in the area; and redesignate the Whatcom County (partial) SO<INF>2</INF> NAA to attainment for the 2010 1-hour primary SO<INF>2</INF> NAAQS.
Key facts
- Document number
- 2024-22171
- Type
- Proposed rule
- Action
- Proposed rule
- Agency
- Environmental Protection Agency
- Published
- September 27, 2024
- Comments due
- October 28, 2024
- Dates
- Written comments must be received on or before October 28, 2024.
- Docket
- EPA-R10-OAR-2024-0371; FRL-12159-01-R10
- Code of Federal Regulations
- 40 CFR 52
- Topics
- Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
- Pages
- 9
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