Open for Comment: Air Plan Approval; Delaware; Excess Emissions Provisions Pertaining to Periods of Startup, Shutdown and Malfunction Events

Environmental Protection Agency — The Environmental Protection Agency (EPA) is proposing to approve revisions to the state implementation plan (SIP) for three state regulations submitted by the State of Delaware through the Delaware Department of Natural Resources and Environmental Control (DNREC) on February 3, 2025. The proposed 2025 revisions to the SIP amend certain startup and shutdown provisions in a manner that avoids the deficiencies that the EPA identified in a disapproval action dated October 23, 2023, in which the Agency disapproved portions of a prior SIP revision dated November 22, 2016. This action is being taken under section 110 of the Clean Air Act (CAA). (30 days remaining)

Open for Comment: Air Plan Approval; Delaware; Excess Emissions Provisions Pertaining to Periods of Startup, Shutdown and Malfunction Events

Environmental Protection Agency — The Environmental Protection Agency (EPA) is proposing to approve revisions to the state implementation plan (SIP) for three state regulations submitted by the State of Delaware through the Delaware Department of Natural Resources and Environmental Control (DNREC) on February 3, 2025. The proposed 2025 revisions to the SIP amend certain startup and shutdown provisions in a manner that avoids the deficiencies that the EPA identified in a disapproval action dated October 23, 2023, in which the Agency disapproved portions of a prior SIP revision dated November 22, 2016. This action is being taken under section 110 of the Clean Air Act (CAA). (30 days remaining)

Type: comment-period | Source: federalregister.gov


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    "documentNumber": "2026-08373",
    "title": "Air Plan Approval; Delaware; Excess Emissions Provisions Pertaining to Periods of Startup, Shutdown and Malfunction Events",
    "summary": "The Environmental Protection Agency (EPA) is proposing to approve revisions to the state implementation plan (SIP) for three state regulations submitted by the State of Delaware through the Delaware Department of Natural Resources and Environmental Control (DNREC) on February 3, 2025. The proposed 2025 revisions to the SIP amend certain startup and shutdown provisions in a manner that avoids the deficiencies that the EPA identified in a disapproval action dated October 23, 2023, in which the Agency disapproved portions of a prior SIP revision dated November 22, 2016. This action is being taken under section 110 of the Clean Air Act (CAA).",
    "agency": "Environmental Protection Agency",
    "commentUrl": "http://www.regulations.gov/commenton/EPA-R03-OAR-2025-0215-0001",
    "commentsCloseOn": "2026-06-01",
    "daysUntilClose": 30,
    "url": "https://www.federalregister.gov/documents/2026/04/30/2026-08373/air-plan-approval-delaware-excess-emissions-provisions-pertaining-to-periods-of-startup-shutdown-and"
  },
  "source": {
    "url": "https://www.federalregister.gov/documents/2026/04/30/2026-08373/air-plan-approval-delaware-excess-emissions-provisions-pertaining-to-periods-of-startup-shutdown-and",
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