# Approval and Promulgation of Air Quality Implementation Plans; Illinois; NOX Budget Trading Program
> **Rule** · Direct final rule. · Published 2010-03-01 · Effective 2010-04-30 · 75 FR 9103
## Document
- **Document number:** 2010-4088
- **Category:** air-emissions
- **Federal Register citation:** 75 FR 9103
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-03-01
- **Effective date:** 2010-04-30
- **State:** IL
- **EPA docket:** EPA-R05-OAR-2009-0964
## Abstract

EPA is approving a revision to the Illinois State Implementation Plan (SIP) that would terminate the provisions of the Nitrogen Oxides (NO<INF>X</INF>) Budget Trading Program that apply to electric generating units. EPA is no longer operating the NO<INF>X</INF> Budget Trading Program as a compliance option under the NO<INF>X</INF> SIP Call. These sources are now subject to provisions in a newer set of approved Illinois rules that address EPA's Clean Air Interstate Rule (CAIR). For these reasons, the sunset of the NO<INF>X</INF> Budget Trading Program for these sources merely deactivates duplicative rule language.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/03/01/2010-4088/approval-and-promulgation-of-air-quality-implementation-plans-illinois-nox-budget-trading-program)
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