# Designation of Areas for Air Quality Planning Purposes; Illinois; Lyons Township PM-10 Redesignation and Maintenance Plan
> **Rule** · Direct final rule. · Published 2005-09-22 · Effective 2005-11-21 · 70 FR 55541
## Document
- **Document number:** 05-18958
- **Category:** air-emissions
- **Federal Register citation:** 70 FR 55541
- **CFR reference:** 40 CFR 52
- **Publication date:** 2005-09-22
- **Effective date:** 2005-11-21
- **State:** IL
- **EPA docket:** R05-OAR-2005-IL-0002
## Abstract

EPA is approving the State of Illinois' request to redesignate to attainment the Lyons Township (McCook) area currently designated as nonattainment of the National Ambient Air Quality Standard (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM-10). We are also approving the Lyons Township maintenance plan, submitted by the Illinois Environmental Protection Agency (IEPA) on August 2, 2005, as a revision to the PM-10 State Implementation Plan (SIP) for this area.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/09/22/05-18958/designation-of-areas-for-air-quality-planning-purposes-illinois-lyons-township-pm-10-redesignation)
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