# Clean Air Act Finding of Attainment; Portneuf Valley PM-10 Nonattainment Area, Idaho
> **Rule** · Final rule. · Published 2002-07-25 · Effective 2002-08-26 · 67 FR 48552
## Document
- **Document number:** 02-18869
- **Category:** air-emissions
- **Federal Register citation:** 67 FR 48552
- **CFR reference:** 40 CFR 81
- **Publication date:** 2002-07-25
- **Effective date:** 2002-08-26
- **State:** ID
- **EPA docket:** Docket #: Id-00-001
## Abstract

EPA has determined that the Portneuf Valley nonattainment area has attained the National Ambient Air Quality Standards for particulate matter with an aerodynamic diameter of less than or equal to 10 microns by the attainment date of December 31, 1996, as required by the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/07/25/02-18869/clean-air-act-finding-of-attainment-portneuf-valley-pm-10-nonattainment-area-idaho)
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