Illinois: Air
The Pollution Control Board proposed amendments to 35 Ill. Adm. Code 201, Permits and General Provisions; 35 Ill. Adm. Code 211, Definitions and General Provisions; and 35 Ill. Adm. Code 217, Nitrogen Oxides Emission. The changes would control nitrogen oxide (NOx) emissions from engines and turbines at 100 ton per year sources located in the Greater Chicago and Metro East/St. Louis nonattainment areas with a capacity at or greater than 500 brake horsepower or 3.5 megawatts.