35 Ill. Adm. Code 302.509
Other Sources
Section 302
Section 302.509Â Other
Sources
a)Â Â Â Â Â Â Â Â A source of heated effluent that was not in operation or under
construction as of January 1, 1971, must not discharge more than a daily
average of 29 megawatts (0.1 billion British thermal units per hour).
b)Â Â Â Â Â Â Â Â Sources of heated effluents that discharge less than a daily
average of 29 megawatts (0.1 billion British thermal units per hour) not in
operation or under construction as of January 1, 1971, must meet all
requirements of Sections 302.507 and 302.508.