# Approval and Promulgation of Implementation Plans; Illinois; Voluntary Nitrogen Oxides Controls
> **Rule** · Final rule. · Published 2010-10-21 · Effective 2010-11-22 · 75 FR 64951
## Document
- **Document number:** 2010-26438
- **Category:** other
- **Federal Register citation:** 75 FR 64951
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-10-21
- **Effective date:** 2010-11-22
- **State:** IL
- **EPA docket:** EPA-R05-OAR-2007-1096
## Abstract

On May 1, 2001, the Illinois Environmental Protection Agency (Illinois EPA) submitted a request for EPA approval of a State Implementation Plan (SIP) revision for regulations governing Nitrogen Oxides (NO<INF>X</INF>) emission allowances granted for implementation of voluntary control of NO<INF>X</INF> emissions from sources other than those covered by other Illinois NO<INF>X</INF> emission control regulations. On March 4, 2008, EPA proposed to disapprove the requested SIP revision. This final rule completes the disapproval of the requested SIP revision.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/10/21/2010-26438/approval-and-promulgation-of-implementation-plans-illinois-voluntary-nitrogen-oxides-controls)
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