# Approval and Promulgation of Implementation Plans; Oregon: Grants Pass Second 10-Year PM10 Limited Maintenance Plan
> **Rule** · Direct final rule. · Published 2015-07-30 · Effective 2015-09-28 · 80 FR 45431
## Document
- **Document number:** 2015-18354
- **Category:** air-emissions
- **Federal Register citation:** 80 FR 45431
- **CFR reference:** 40 CFR 52
- **Publication date:** 2015-07-30
- **Effective date:** 2015-09-28
- **State:** OR
- **EPA docket:** EPA-R10-OAR-2015-0323
## Abstract

The Environmental Protection Agency (EPA) is approving a limited maintenance plan submitted by the State of Oregon on April 22, 2015, for the Grants Pass area for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>). The plan explains how this area will continue to meet the PM<INF>10</INF> National Ambient Air Quality Standard for a second 10-year period through 2025.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/07/30/2015-18354/approval-and-promulgation-of-implementation-plans-oregon-grants-pass-second-10-year-pm10-limited)
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