Purpose

Section 217 Section 217.750  Purpose The purpose of this Subpart is to control the emissions of nitrogen oxides (NO x ) during the ozone control period (May 1 through September 30 of each year, except that in 2004, "control period" means May 31 through September 30) from electrical generating units (EGUs) by determining source allocations and implementing the NO x Trading Program pursuant to 40 CFR 96, as authorized by Section 9.9 of the Act [415 ILCS 5/9.9].