# Standards of Performance for Stationary Gas Turbines
> **Rule** · Final rule; amendments. · Published 2004-07-08 · Effective 2004-07-08 · 69 FR 41346
## Document
- **Document number:** 04-14825
- **Category:** other
- **Federal Register citation:** 69 FR 41346
- **CFR reference:** 40 CFR 60
- **Publication date:** 2004-07-08
- **Effective date:** 2004-07-08
- **EPA docket:** OAR-2002-0053, FRL-7780-6
## Abstract

This action promulgates amendments to several sections of the standards of performance for stationary gas turbines in 40 CFR part 60, subpart GG. The amendments will codify several alternative testing and monitoring procedures that have routinely been approved by EPA. The amendments will also reflect changes in nitrogen oxides (NO<INF>X</INF>) emission control technologies and turbine design since the standards were promulgated.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/07/08/04-14825/standards-of-performance-for-stationary-gas-turbines)
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