Environmental Protection Agency Docket EPA-R01-OAR-2020-0178 Proposed Rule

2020-16011: Air Plan Approval; New Hampshire; Infrastructure State Implementation Plan Requirements for the 2015 Ozone and 2012 PM2.5 Standards

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Summary

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of New Hampshire. This revision addresses the infrastructure requirements of the Clean Air Act (CAA or Act) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). This proposed action includes all elements of these infrastructure requirements except for the "Good Neighbor" or "transport" provisions, which will be addressed in a future action. We are also proposing to grant the state an exemption from the infrastructure SIP contingency plan obligation for ozone, and to conditionally approve several elements of New Hampshire's submittal relating to air-quality modeling requirements. In addition, we are proposing to correct errors in our previous approval of an infrastructure SIP submission from New Hampshire for the 2012 PM<INF>2.5</INF> NAAQS and to conditionally approve several elements of that submittal. The infrastructure requirements are designed to ensure that the structural components of each state's air quality management program are adequate to meet the state's responsibilities under the CAA. This action is being taken under the Clean Air Act.

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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