# Approval and Promulgation of State Implementation Plan; Minnesota; Enhanced Monitoring
> **Rule** · Direct final rule. · Published 1997-04-09 · Effective 1997-06-09 · 62 FR 17081
## Document
- **Document number:** 97-8969
- **Category:** enforcement
- **Federal Register citation:** 62 FR 17081
- **CFR reference:** 40 CFR 52
- **Publication date:** 1997-04-09
- **Effective date:** 1997-06-09
- **State:** MN
- **EPA docket:** MN40-01-6988a
## Abstract

This final action approves the State Implementation Plan (SIP) submitted by the State of Minnesota. The State's revision expands the types of testing and monitoring data, including stack and process monitoring, which can be used directly for compliance certifications and enforcement.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/04/09/97-8969/approval-and-promulgation-of-state-implementation-plan-minnesota-enhanced-monitoring)
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