EPA Proposes Approving Delaware’s Revised Air Emission Rules for Startup and Shutdown Periods
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The EPA is proposing to approve three Delaware state regulations that limit air pollution from industrial equipment during startup, shutdown, and malfunction events. Delaware submitted these revisions in February 2025 to fix problems the agency identified in 2023.
Why it matters: This is mostly a paperwork update that aligns state rules with long-standing federal air quality standards. It does not change how much pollution Delaware facilities can emit, nor does it create new monitoring requirements. It simply removes language that could have allowed operators to avoid emission limits during routine operational transitions.
Who it affects
- Delaware industrial facilities that burn fuel or run industrial processes
This notice comes from the U.S. Environmental Protection Agency and is published in the Federal Register; readers should review the full proposed rule and comment period before relying on this summary.
Agency: Environmental Protection Agency
Source: Federal Register — read the official document