# Revision to the Arizona State Implementation Plan; Nogales Nonattainment Area; Fine Particulate Matter Emissions Inventories
> **Rule** · Final rule. · Published 2015-02-09 · Effective 2015-03-11 · 80 FR 6907
## Document
- **Document number:** 2015-02490
- **Category:** air-emissions
- **Federal Register citation:** 80 FR 6907
- **CFR reference:** 40 CFR 52
- **Publication date:** 2015-02-09
- **Effective date:** 2015-03-11
- **State:** AZ
- **EPA docket:** EPA-R09-OAR-2014-0450
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Arizona State Implementation Plan (SIP) concerning the Nogales fine particle (PM<INF>2.5</INF>) nonattainment area 2008 and 2010 emissions inventories. These emission inventories were submitted for the 2006 24-hour fine particle (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS). We are approving these annual emissions inventories under the Clean Air Act (CAA or the Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/02/09/2015-02490/revision-to-the-arizona-state-implementation-plan-nogales-nonattainment-area-fine-particulate-matter)
---
*AI Analytics · CC0 1.0*