# Approval and Promulgation of Implementation Plans; Idaho: Sandpoint PM10 Nonattainment Area Limited Maintenance Plan and Redesignation Request
> **Rule** · Final rule. · Published 2013-04-03 · Effective 2013-05-03 · 78 FR 20001
## Document
- **Document number:** 2013-07647
- **Category:** air-emissions
- **Federal Register citation:** 78 FR 20001
- **CFR reference:** 40 CFR 52
- **Publication date:** 2013-04-03
- **Effective date:** 2013-05-03
- **State:** ID
- **EPA docket:** Docket No.: EPA-R10-OAR-2012-0017
## Abstract

The EPA is approving in part and disapproving in part the Limited Maintenance Plan (LMP) submitted by the State of Idaho on December 14, 2011, for the Sandpoint nonattainment area (Sandpoint NAA) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>), and approving the State's request to redesignate this area to attainment for the PM<INF>10</INF> National Ambient Air Quality Standards (NAAQS). The EPA is disapproving a separable part of the Sandpoint NAA LMP that does not meet LMP eligibility criteria or applicable requirements under the Clean Air Act (CAA). The part of the Sandpoint NAA LMP that the EPA is approving complies with applicable requirements and meets the requirements of the CAA for full approval. The EPA is also approving the State's redesignation request because it meets CAA requirements for redesignation.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/04/03/2013-07647/approval-and-promulgation-of-implementation-plans-idaho-sandpoint-pm10-nonattainment-area-limited)
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