Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 60, Subpt. KKKK, Tbl. 1 Table 1 to Subpart KKKK of Part 60—Nitrogen Oxide Emission Limits for New Stationary Combustion Turbines

New turbine firing natural gas, electric generating

≤ 50 MMBtu/h․․․․․․․․․․․․․․․․․․․․․

42 ppm at 15 percent O₂ or 290 ng/J of useful output (2.3 lb/MWh).

New turbine firing natural gas, mechanical drive

≤ 50 MMBtu/h․․․․․․․․․․․․․․․․․․․․․

100 ppm at 15 percent O₂ or 690 ng/J of useful output (5.5 lb/MWh).

New turbine firing natural gas․․․

> 50 MMBtu/h and ≤ 850 MMBtu/h․․․

25 ppm at 15 percent O₂ or 150 ng/J of useful output (1.2 lb/MWh).

New, modified, or reconstructed turbine firing natural gas

> 850 MMBtu/h․․․․․․․․․․․․․․․․․․․․

15 ppm at 15 percent O₂ or 54 ng/J of useful output (0.43 lb/MWh)

New turbine firing fuels other than natural gas, electric generating

≤ 50 MMBtu/h․․․․․․․․․․․․․․․․․․․․․

96 ppm at 15 percent O₂ or 700 ng/J of useful output (5.5 lb/MWh).

New turbine firing fuels other than natural gas, mechanical drive

≤ 50 MMBtu/h․․․․․․․․․․․․․․․․․․․․․

150 ppm at 15 percent O₂ or 1,100 ng/J of useful output (8.7 lb/MWh).

New turbine firing fuels other than natural gas

> 50 MMBtu/h and ≤ 850 MMBtu/h․․․

74 ppm at 15 percent O₂ or 460 ng/J of useful output (3.6 lb/MWh).

New, modified, or reconstructed turbine firing fuels other than natural gas

> 850 MMBtu/h․․․․․․․․․․․․․․․․․․․․

42 ppm at 15 percent O₂ or 160 ng/J of useful output (1.3 lb/MWh).

Modified or reconstructed turbine

≤ 50 MMBtu/h․․․․․․․․․․․․․․․․․․․․․

150 ppm at 15 percent O₂ or 1,100 ng/J of useful output (8.7 lb/MWh).

Modified or reconstructed turbine firing natural gas

> 50 MMBtu/h and ≤ 850 MMBtu/h․․․

42 ppm at 15 percent O₂ or 250 ng/J of useful output (2.0 lb/MWh).

Modified or reconstructed turbine firing fuels other than natural gas

> 50 MMBtu/h and ≤ 850 MMBtu/h․․․

96 ppm at 15 percent O₂ or 590 ng/J of useful output (4.7 lb/MWh).

Turbines located north of the Arctic Circle (latitude 66.5 degrees north), turbines operating at less than 75 percent of peak load, modified and reconstructed offshore turbines, and turbine operating at temperatures less than 0°F

≤ 30 MW output․․․․․․․․․․․․․․․․․․․

150 ppm at 15 percent O₂ or 1,100 ng/J of useful output (8.7 lb/MWh).

Turbines located north of the Arctic Circle (latitude 66.5 degrees north), turbines operating at less than 75 percent of peak load, modified and reconstructed offshore turbines, and turbine operating at temperatures less than 0°F

> 30 MW output․․․․․․․․․․․․․․․․․․․

96 ppm at 15 percent O₂ or 590 ng/J of useful output (4.7 lb/MWh).

Heat recovery units operating independent of the combustion turbine

All sizes․․․․․․․․․․․․․․․․․․․․․․․․

54 ppm at 15 percent O₂ or 110 ng/J of useful output (0.86 lb/MWh).