35 Ill. Adm. Code 202.403
Renewal
Section 202
Section 202.403 Renewal
a) An application for renewal of a permit containing an ACS shall
be submitted at least 180 days prior to the expiration of the previous permit.
b) Applications for renewal shall contain the information
specified in Section 202.210. However, an analysis of the effect of the ACS on
air quality pursuant to Section 202.212 need by provided only if:
1) The other information submitted pursuant to this subsection is
different from the information upon which the permit was previously issued, and
2) the differences include a change in the applicable emission
limit or operation of the source or may otherwise significantly affect air
quality.
c) Unless the Agency finds that changes in the application are
not substantive in nature and do not alter fundamental details of the ACS which
was approved under the prior permit, renewal of the permit shall be subject to
public participation pursuant to Section 202.305.