U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 40Chapter IPart 60Subpart KKKK - Subpart KKKK—Standards of Performance for Stationary Combustion Turbines

INTRODUCTION
§ 60.4300 - What is the purpose of this subpart?

APPLICABILITY
§ 60.4305 - Does this subpart apply to my stationary combustion turbine?
§ 60.4310 - What types of operations are exempt from these standards of performance?

EMISSION LIMITS
§ 60.4315 - What pollutants are regulated by this subpart?
§ 60.4320 - What emission limits must I meet for nitrogen oxides (NOX)?
§ 60.4325 - What emission limits must I meet for NOX if my turbine burns both natural gas and distillate oil (or some other combination of fuels)?
§ 60.4330 - What emission limits must I meet for sulfur dioxide (SO2)?
§ 60.4331 -

GENERAL COMPLIANCE REQUIREMENTS
§ 60.4333 - What are my general requirements for complying with this subpart?

MONITORING
§ 60.4335 - How do I demonstrate compliance for NOX if I use water or steam injection?
§ 60.4340 - How do I demonstrate continuous compliance for NOX if I do not use water or steam injection?
§ 60.4345 - What are the requirements for the continuous emission monitoring system equipment, if I choose to use this option?
§ 60.4350 - How do I use data from the continuous emission monitoring equipment to identify excess emissions?
§ 60.4355 - How do I establish and document a proper parameter monitoring plan?
§ 60.4360 - How do I determine the total sulfur content of the turbine's combustion fuel?
§ 60.4365 - How can I be exempted from monitoring the total sulfur content of the fuel?
§ 60.4370 - How often must I determine the sulfur content of the fuel?

REPORTING
§ 60.4375 - What reports must I submit?
§ 60.4380 - How are excess emissions and monitor downtime defined for NOX?
§ 60.4385 - How are excess emissions and monitoring downtime defined for SO2?
§ 60.4390 - What are my reporting requirements if I operate an emergency combustion turbine or a research and development turbine?
§ 60.4395 - What must I submit my reports?

PERFORMANCE TESTS
§ 60.4400 - How do I conduct the initial and subsequent performance tests, regarding NOX?
§ 60.4405 - How do I perform the initial performance test if I have chosen to install a NOX-diluent CEMS?
§ 60.4410 - How do I establish a valid parameter range if I have chosen to continuously monitor parameters?
§ 60.4415 - How do I conduct the initial and subsequent performance tests for sulfur?

DEFINITIONS
§ 60.4420 - What definitions apply to this subpart?
Appendix - Table 1 to Subpart KKKK of Part 60—Nitrogen Oxide Emission Limits for New Stationary Combustion Turbines
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