1. a) Discharges through a stack;
2. b) Is fossil fuel-fired;
3. c) Is not subject to the requirements of Subparts T, U, V or W of this Part;
4. d) Is not a retired unit pursuant to 40 CFR 96.5;
5. e) Has not elected to become an opt-in unit pursuant to Section 217.754 or Section 217.774 of this Part; and
6. f) Is not a stationary internal combustion engine that emits more than one ton of NOx per day during the ozone control period.

Any owner or operator of a stationary source may submit a proposal, as provided in Section 217.835 of this Subpart, for voluntarily reducing NO_x emissions during the control period, if each emission unit from which NO_x reductions at the source will be obtained meets the following criteria:

(Source: Added at 25 Ill. Reg. 5914, effective April 17, 2001)