Regulatory Development and Retrospective Review Tracker

Fine Particulate Matter National Ambient Air Quality Standards: State Implementation Plan Requirements

a.k.a. Implementation Rule for 2012 PM2.5 NAAQS - SIP Requirements

RIN: 2060-AQ48 (What's this?)

Docket No.: EPA-HQ-OAR-2013-0691 (What's this?)

Current Phase: Final Rule Published (What's this?)

The final rule has published. This Web page will be retained for 1 year for historical purposes, and then it will be removed from Reg DaRRT. To learn more about this rule: