# Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes: Minnesota
> **Rule** · Direct final rule. · Published 1995-05-31 · Effective 1995-07-31 · 60 FR 28339
## Document
- **Document number:** 95-13179
- **Category:** air-emissions
- **Federal Register citation:** 60 FR 28339
- **CFR reference:** 40 CFR 52
- **Publication date:** 1995-05-31
- **Effective date:** 1995-07-31
- **State:** MN
- **EPA docket:** MN-36-1-6752a
## Abstract

On September 7, 1994, the Minnesota Pollution Control Agency (MPCA) submitted a request for redesignation to attainment for particulate matter (PM) in the Rochester portion of Olmsted County and sulfur dioxide (SO<INF>2) in the Air Quality Control Region (AQCR) 131 Twin Cities and Pine Bend areas (excluding the St. Paul Park area). A revision to the administrative order for Rochester Public Utilities (RPU) was also submitted in support of the Olmsted County redesignation request. The USEPA is approving, through the use of direct final rulemaking procedures, the redesignation requests and the administrative order revision for RPU.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1995/05/31/95-13179/approval-and-promulgation-of-implementation-plans-and-designation-of-areas-for-air-quality-planning)
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