35 Ill. Adm. Code 203.1180
Federally Enforceable
Section
203.1180 Federally Enforceable
"Federally enforceable" means all limitations and
conditions which are enforceable by the USEPA, including those requirements
developed pursuant to 40 CFR Parts 60, 61, 62 and 63 (incorporated by reference
in Section 203.1000), requirements within the SIP, any permit requirements
established pursuant to 40 CFR 52.21 (incorporated by reference in Section
203.1000) or this Part or under regulations approved pursuant to 40 CFR Part
51, Subpart I (incorporated by reference in Section 203.1000), including
operating permits issued under an USEPA-approved program that is incorporated
into the SIP and expressly requires adherence to any permit issued under such
program.