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Title 40

Displaying title 40, up to date as of 6/11/2026. Title 40 was last amended 6/11/2026.
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Table 2 to Subpart KKKKa of Part 60—Alternative Mass-Based NOX Emission Standards for Stationary Combustion Turbines

Combustion turbine type 4-Hour emissions rate
(lb NOX/MW-rated output)
12-Calendar-month emissions rate
(ton NOX/MW-rated output)
Natural Gas 0.38 kg NOX/MW-rated output (0.83 lb NOX/MW-rated output) 0.44 tonne NOX/MW-rated output (0.48 ton NOX/MW-rated output).
Non-Natural Gas 0.82 kg NOX/MW-rated output (1.8 lb NOX/MW-rated output) 0.74 tonne NOX/MW-rated output (0.81 ton NOX/MW-rated output).