35 Ill. Adm. Code 375.301
Water Quality Evaluation
Section 375
Section 375.301 Water
Quality Evaluation
It is intended that water
quality evaluation performed under Subpart C of this Part will be undertaken in
conjunction with or subsequent to first flush analysis and CSO studies
consistent with Subpart D. Control options being evaluated shall not be limited
to alternatives resulting in full compliance with 35 Ill. Adm. Code 306.305;
lesser control options of varying degrees shall be evaluated also.