35 Ill. Adm. Code 203.2520
Requirements
Section 203.2520Â Requirements
If the owner or operator of the proposed major stationary
source or major modification does not fulfill the requirements of both
subsections (a) and (b), the Agency shall deny the proposed construction.
a)Â Â Â Â Â Â Â Â The owner or operator shall reduce the impact of
its emissions on air quality by obtaining sufficient emissions reductions to,
at a minimum, compensate for its adverse ambient impact when the major
stationary source or major modification would otherwise cause or contribute to
a violation of a NAAQS; and
b)Â Â Â Â Â Â Â Â The
owner or operator shall comply with the requirements of Section 203.1410(c) and
(e), Section 203.1420, Section 203.1430, Section 203.1440(a), Section 203.1460,
and Section 203.1500.