In This Issue

Standards of Performance for Stationary Gas Turbines – Final rule; Amendments

The EPA has promulgated 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 (NOX) emission control technologies and turbine design since the standards were promulgated. Regulated categories and entities include any industry using a stationary combustion turbine as defined in the final rule, including:

NAICS SIC Examples of regulated entities
2211 486210 4911 4922 Electric services. Natural gas transmission.
211111 1311 Crude petroleum and natural gas.
211112 1321 Natural gas liquids.

The final rule is effective July 8, 2004. The incorporation by reference of certain publications in the final rule is approved by the Director of the Office of the Federal Register as of July 8, 2004. The EPA has established a docket for this action under Docket ID No. OAR-2002-0053. For the full text of the final rule, the file can be downloaded here ( Gas Turbine Standards Update ) or contact Laura Wager at

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