35 Ill. Adm. Code 204.1600
Applicability
Section 204.1600 Applicability
a) The Agency
may approve the use of an actuals PAL for any existing major stationary source
if the PAL meets the requirements of this Subpart. The term "PAL" shall
mean "actuals PAL" throughout this Subpart.
b) 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 204.850 (restrictions on relaxing
enforceable emission limitations that the major stationary source used to avoid
applicability of the major NSR program).
c) Except
as provided by subsection (b)(2), a major stationary source shall continue to
comply with all applicable federal or State requirements, emissions
limitations, and work practice requirements that were established prior to the
effective date of the PAL.