Proposed BARCT StandardsStationary Spark-Ignited Internal Combustion Engines

Engine Type % Control ppmv at 15% O2

NOx NOx VOC CO

Spark-Ignited Engines

- Low Fuel Consumption --- 350 750 4500

- High Fuel Consumption

Rich-Burn, Waste Gas Fueled 90 50 250 4500

Rich-Burn, All Other Fuels 96 25 250 4500

Lean-Burn, All Fuels 90 65 750 4500