35 Ill. Adm. Code 309.144
Federal New Source Standards of Performance
Section 309
Section 309.144 Federal New
Source Standards of Performance
Regardless of any other
provisions of these rules, any point source whose construction began after
October 18, 1972, and that is constructed to meet all applicable federal
standards of performance as defined in section 306 of the CWA and 35 Ill. Adm.
Code 301.400, must not be subject to any more stringent federal standard of
performance during:
a) A 10-year period beginning on the date of completion of the
construction, or
b) The period of depreciation or amortization of the facility for
section 167 or 169 (or both) of the Internal Revenue Code of 1954 (26 U.S.C.
167 and 169), whichever period ends first.