Environmental Protection Agency Docket EPA-R04-OAR-2015-0251 Proposed Rule

2016-15145: Air Plan Approval; SC Infrastructure Requirements for the 2010 Nitrogen Dioxide National Ambient Air Quality Standard

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Summary

The Environmental Protection Agency (EPA) is proposing to approve portions of the State Implementation Plan (SIP) submission, submitted by the State of South Carolina, through the South Carolina Department of Health and Environmental Control (SC DHEC) on April 30, 2014, to demonstrate that the State meets the infrastructure requirements of the Clean Air Act (CAA or Act) for the 2010 nitrogen dioxide (NO<INF>2</INF>) national ambient air quality standard (NAAQS). The CAA requires that each state adopt and submit a SIP for the implementation, maintenance and enforcement of each NAAQS promulgated by EPA, which is commonly referred to as an "infrastructure" SIP submission. SC DHEC certified that the South Carolina SIP contains provisions that ensure the 2010 NO<INF>2</INF> NAAQS is implemented, enforced, and maintained in South Carolina. With the exception of provisions pertaining to prevention of significant deterioration (PSD) permitting, and interstate transport provisions pertaining to the contribution to nonattainment or interference with maintenance and visibility in other states, for which EPA is proposing no action through this rulemaking, EPA is proposing to find that South Carolina's infrastructure SIP submission, provided to EPA on April 30, 2014, satisfies the required infrastructure elements for the 2010 NO<INF>2</INF> NAAQS.

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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