35 Ill. Adm. Code 255.110
Federal Requirement
Section 255
Section 255.110 Federal
Requirement
a) Section 176(b)(1) of the Federal Clean Air Act (CAA) requires
that any department, agency, or instrumentality of the Federal Government that
engages in, supports in any way, provides financial assistance for, licenses,
permits, or approves any activity must conform to an applicable implementation
plan.
b) A Federal agency must make a determination that a Federal
action conforms to the applicable implementation plan before the action is
taken.
c) Subsection (b) of this Section does not include Federal actions
where either:
1) A National Environmental Policy Act (NEPA) analysis was
completed as evidenced by a final environmental assessment (EA), environmental
impact statement (EIS), or finding of no significant impact (FONSI) that was
prepared prior to January 31, 1994;
2) Prior to January 31, 1994, an EA was commenced or a contract
was awarded to develop the specific environmental analysis;
3) Sufficient environmental analysis is completed by March 15,
1994, so that the Federal agency may determine that the Federal action is in
conformity with the specific requirements and the purposes of the applicable
SIP pursuant to the Federal agency's affirmative obligation under section
176(c) of the CAA; or
4) A written determination of conformity under section 176(c) of
the CAA has been made by the Federal agency responsible for the Federal action
by March 15, 1994.
d) Notwithstanding any provisions of this Part, a determination
that an action is in conformance with the applicable implementation plan does not
exempt the action from any other requirements of the applicable implementation
plan, the NEPA, or the CAA.