40 CFR Part 60 - Subpart KKKKa - Standards of Performance for Stationary Combustion Turbines
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Introduction (§ 60.4300a)
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Applicability (§§ 60.4305a - 60.4310a)
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Emission Standards (§§ 60.4315a - 60.4331a)
- § 60.4315a What pollutants are regulated by this subpart?
- § 60.4320a What NOX emissions standard must I meet?
- § 60.4325a What emission limit must I meet for NOX if my turbine burns both natural gas and distillate oil (or some other combination of fuels)?
- § 60.4330a What SO2 emissions standard must I meet?
- § 60.4331a What are the requirements for operating a stationary temporary combustion turbine?
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General Compliance Requirements (§ 60.4333a)
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Monitoring (§§ 60.4335a - 60.4374a)
- § 60.4335a How do I demonstrate compliance with my NOX emissions standard without using a NOX CEMS if I use water or steam injection?
- § 60.4340a How do I demonstrate compliance with my NOX emissions standard without using a NOX CEMS if I do not use water or steam injection?
- § 60.4342a How do I monitor NOX control operating parameters?
- § 60.4345a How do I demonstrate compliance with my NOX emissions standard using a NOX CEMS?
- § 60.4350a How do I use the NOX CEMS data to determine excess emissions?
- § 60.4360a How do I use fuel sulfur analysis to determine the total sulfur content of the fuel combusted in my stationary combustion turbine?
- § 60.4370a How frequently must I determine the fuel sulfur content?
- § 60.4372a How can I demonstrate compliance with my SO2 emissions standard using records of the fuel sulfur content?
- § 60.4374a How do I demonstrate compliance with my SO2 emissions standard and determine excess emissions using a SO2 CEMS?
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Recordkeeping and Reporting (§§ 60.4375a - 60.4395a)
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Performance Tests (§§ 60.4400a - 60.4415a)
- § 60.4400a How do I conduct performance tests to demonstrate compliance with my NOX emissions standard if I do not have a NOX CEMS?
- § 60.4405a How do I conduct a performance test if I use a NOX CEMS?
- § 60.4415a How do I conduct performance tests to demonstrate compliance with my SO2 emissions standard?
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Other Requirements and Information (§§ 60.4416a - 60.4420a)
- Table 1 to Subpart KKKKa of Part 60—Nitrogen Oxide Emission Standards for Stationary Combustion Turbines
- Table 2 to Subpart KKKKa of Part 60—Alternative Mass-Based NOX Emission Standards for Stationary Combustion Turbines
- Table 3 to Subpart KKKKa of Part 60—Applicability of Subpart A of This Part to This Subpart
Source:
91 FR 1985, Jan. 15, 2026, unless otherwise noted.