# Approval and Promulgation of Implementation Plan; Illinois New Source Review Amendments
> **Rule** · Direct final rule. · Published 2003-05-13 · Effective 2003-07-14 · 68 FR 25504
## Document
- **Document number:** 03-11749
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 25504
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-05-13
- **Effective date:** 2003-07-14
- **State:** IL
- **EPA docket:** IL 184-1a
## Abstract

EPA is approving a requested revision to the Illinois State Implementation Plan (SIP), affecting air permit rules, submitted on August 31, 1998. The submittal revises provisions for major modifications to stationary sources to align more closely with the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/05/13/03-11749/approval-and-promulgation-of-implementation-plan-illinois-new-source-review-amendments)
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