Ill. Admin. Code tit. 35 § 302.669

Current through Register Vol. 48, No. 45, November 8, 2024

Section 302.669 - Listing of Derived Criteria

a) The Agency must develop and maintain a listing of toxicity criteria pursuant to this Subpart. This list must be made available to the public and updated whenever a new criterion is derived and must be published when updated in the Illinois Register.

b) A criterion published pursuant to subsection (a) may be proposed to the Board for adoption as a numeric water quality standard.

c) The Agency must maintain for inspection all information, including assumptions, toxicity data, and calculations, used to derive any toxicity criterion listed pursuant to subsection (a) until adopted by the Board as a water quality standard.

Ill. Admin. Code tit. 35, § 302.669

Amended at 36 Ill. Reg. 18871, effective December 12, 2012

Amended at 47 Ill. Reg. 4437, effective 3/23/2023