EPARulemakingEPA-R09-OAR-2023-0539

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Partial Approval and Partial Disapproval of Air Quality State Implementation Plans; Arizona; 2012 PM2.5 Infrastructure Requirements

1 organizations filed 2 public comments on Partial Approval and Partial Disapproval of Air Quality State Implementation Plans; Arizona; 2012 PM2.5 Infrastructure Requirements, at the Environmental Protection Agency. The comment window closed 743d ago.

Organizations
1
Comments
2
RIN
Comment window
closed 743d ago

Abstract

The Environmental Protection Agency (EPA) is proposing to partially approve and partially disapprove a revision to the Arizona state implementation plan (SIP) as meeting the requirements of the Clean Air Act (CAA) for the implementation, maintenance, and enforcement of the 2012 fine particulate matter (PM2.5) national ambient air quality standards (NAAQS or “standards”). As part of this action, the EPA is proposing to approve regulatory provisions into the Arizona SIP.

Commenters (1)

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