# Approval and Promulgation of Implementation Plans; Indiana
> **Rule** · Direct final rule. · Published 1996-06-13 · Effective 1996-08-12 · 61 FR 29961
## Document
- **Document number:** 96-14961
- **Category:** air-emissions
- **Federal Register citation:** 61 FR 29961
- **CFR reference:** 40 CFR 52
- **Publication date:** 1996-06-13
- **Effective date:** 1996-08-12
- **State:** IN
- **EPA docket:** IN59-1-7217a
## Abstract

On August 29, 1995, the State of Indiana submitted a State Implementation Plan (SIP) revision request to the United States Environmental Protection Agency (EPA) for rule changes specific to Allison Engine Company (Allison) plants 5 and 8 located in Marion County, Indiana. The submittal provides for an annual particulate matter ``bubble'' limit (a single limit which applies to the combined emissions from more than one source) for several boilers, and the shutdown of two other boilers. Short term particulate matter emission limits for all remaining stacks remain unchanged. This submittal represents a reduction in allowable particulate emissions of 67.7 tons per year, and the State has submitted a modeling analysis which shows that the revised rules will not have an adverse effect on air quality.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1996/06/13/96-14961/approval-and-promulgation-of-implementation-plans-indiana)
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