23 Jun 2025

🌬️New EPA Delegation of NSPS and NESHAP to Louisiana

New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Louisiana

Summary

The Louisiana Department of Environmental Quality (LDEQ) has submitted updated regulations for receiving delegation and approval of its program for the implementation and enforcement of certain New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) for all sources, as provided for under previously approved delegation mechanisms. The updated State regulations incorporate by reference certain NSPS and NESHAP promulgated by the Environmental Protection Agency (EPA), as they existed through July 1, 2021. EPA is providing notice that it is updating the delegation of certain NSPS to LDEQ and proposing to approve the delegation of certain NESHAP to LDEQ. The proposed delegation of authority under this action does not apply to sources located in Indian country.

Agencies

  • Environmental Protection Agency

Business Impact ?

$$$ - High

The proposed rule involves updated delegation of authority for New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) to the Louisiana Department of Environmental Quality (LDEQ). This impacts compliance and regulatory requirements for businesses operating in Louisiana, as they will need to adhere to these newly incorporated standards, particularly affecting industries regulated under the Clean Air Act.

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