EPA Updates New Hampshire's Air Quality Reference List Smoothly
Published Date: 1/9/2026
Rule
Summary
The EPA is updating New Hampshire’s air quality plan by fixing and clarifying the official list of rules and materials that help keep the air clean. This update affects what documents the public can check out at EPA offices starting January 9, 2026. No new costs or big changes—just making sure everything’s clear and up to date for folks who care about clean air.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
Updated SIP Documents Open for Public Inspection
You can inspect the updated New Hampshire State Implementation Plan (SIP) materials at the EPA Region 1 office in Boston and at the National Archives and Records Administration starting January 9, 2026. The update lists which State rules and source-specific orders are officially part of the federally approved SIP so the public can see the exact, approved documents.
No New Regulatory Costs for Small Businesses
The EPA says this action only codifies State rules already approved and does not impose requirements beyond state law; it is certified as not having a significant economic impact on a substantial number of small entities. This rule is effective January 9, 2026 and therefore does not add new costs or new regulatory burdens for small businesses.
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