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:
Ill. Admin. Code tit. 35, § 309.144