Section 203.2100  Applicability

a)         The Agency may approve the use of an actuals PAL for any existing major stationary source, except as provided in subsection (b), if the PAL meets the requirements in this Subpart. The term "PAL" shall mean "actuals PAL" throughout this Subpart.

b)         The Agency shall not allow an actuals PAL for VOM or NO_X for any major stationary source located in an extreme ozone nonattainment area.

c)         Any physical change in or change in the method of operation of a major stationary source that maintains its total source-wide emissions below the PAL level, meets the requirements in this Subpart, and complies with the PAL permit:

1)         Is not a major modification for the PAL pollutant;

2)         Does not have to be approved through the major NSR program; and

3)         Is not subject to the provisions in Section 203.1430 (restrictions on relaxing enforceable emission limitations that the major stationary source used to avoid applicability of the major NSR program).

d)         Except as provided under subsection (c)(3), a major stationary source shall continue to comply with all applicable federal or State requirements, emission limitations, and work practice requirements that were established prior to the effective date of the PAL.

(Source:  Added at 49 Ill. Reg. 6237, effective April 23, 2025)