# Approval and Promulgation of Implementation Plans; Indiana
> **Rule** · Direct final rule. · Published 2005-07-25 · Effective 2005-09-23 · 70 FR 42495
## Document
- **Document number:** 05-14601
- **Category:** air-emissions
- **Federal Register citation:** 70 FR 42495
- **CFR reference:** 40 CFR 52
- **Publication date:** 2005-07-25
- **Effective date:** 2005-09-23
- **State:** IN
- **EPA docket:** R05-OAR-2004-IN-0001
## Abstract

On July 9, 2002, the Indiana Department of Environmental Management (IDEM) submitted a request that EPA approve a revision to its process weight rate rule into the Indiana State Implementation Plan (SIP). The revision clarifies rule applicability, corrects incorrect weights presented in the process weight rate table included in the rule, allows certain sources to demonstrate compliance with the rule by adopting and substituting work standard practices, clarifies the definitions of particulate and particulate matter, and reduces duplicative recordkeeping requirements contained in the rule. EPA is approving the State's request.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/07/25/05-14601/approval-and-promulgation-of-implementation-plans-indiana)
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