Section 302.595  Listing of Bioaccumulative Chemicals of Concern, Derived Criteria and Values

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

b)         A criterion or value published under 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 in the derivation of any toxicity criterion or value listed pursuant to subsection (a) until adopted by the Board as a numeric water quality standard.

(Source:  Amended at 47 Ill. Reg. 4437, effective March 23, 2023)