# Approval and Promulgation of Implementation Plan; Indiana
> **Rule** · Direct final rule. · Published 2000-04-21 · Effective 2000-06-20 · 65 FR 21351
## Document
- **Document number:** 00-9920
- **Category:** air-emissions
- **Federal Register citation:** 65 FR 21351
- **CFR reference:** 40 CFR 52
- **Publication date:** 2000-04-21
- **Effective date:** 2000-06-20
- **State:** IN
- **EPA docket:** IN99-1a
## Abstract

EPA is approving revisions to particulate matter (PM) emissions regulations for Dubois County, Indiana, which the Indiana Department of Environmental Management (IDEM) submitted to EPA on February 3, 1999, as amendments to its State Implementation Plan (SIP). The revisions include relaxation of some PM limits, elimination of limits for boilers which are no longer operating, updating facility names, and changing some boiler fuel types.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/04/21/00-9920/approval-and-promulgation-of-implementation-plan-indiana)
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