35 Ill. Adm. Code 304.101
Preamble
Section 304
Section 304.101Â Preamble
This Part establishes the
maximum concentrations of various contaminants that may be discharged into the
waters of the State. Subpart A contains general effluent limitations. Subpart
B contains site-specific rules and exceptions not of general applicability.Â
Subpart C contains temporary rules.