Clean Air Act Operating Permit Program: New Hampshire; Revised Definitions
Summary
The EPA is proposing to update how New Hampshire defines and manages air quality permits for factories and industrial facilities. These changes aim to clarify which businesses need permits and how they should monitor air pollution to protect public health.
Key Points
- 1New Hampshire is revising the definitions used in its air permit program to better match current EPA standards and requirements
- 2The changes affect industrial facilities and manufacturers that emit air pollutants and must obtain operating permits from the state
- 3The proposal clarifies which companies need permits and what pollution monitoring they must do to comply with clean air laws
- 4The public has until December 23, 2025 to submit comments on the proposed changes before they become final
- 5Updated definitions help ensure consistent enforcement of air quality rules across New Hampshire and protect communities from industrial air pollution
Impact Assessment
If you are a manufacturer or industrial facility operator in New Hampshire, this means you may need to clarify whether your operation requires an air quality permit and adjust your pollution monitoring practices accordingly.
State-specific
Moderate
Key Dates
November 20, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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