Current through Register Vol. 49, No. 2, January 10, 2025
Section 232.500 - Procedures for Listing and Delisting Toxic Air Contaminantsa) Any person may submit a regulatory proposal to the Board to list or delist a toxic air contaminant.b) The proposal to list a contaminant as a toxic air contaminant, or to delist a toxic air contaminant, must include, at a minimum, the following:1) The contaminant or toxic air contaminant name and Chemical Abstract Service Number where applicable;2) The basis for listing or delisting pursuant to Section 232.200(b) or (c). This shall include but is not limited to, a showing of one of the following:A) The toxicity score or carcinogen classification is correctly determined pursuant to the Subpart C procedures;B) The Subpart C procedure for determining a toxicity score or carcinogen classification is not appropriate for the contaminant;C) The Subpart C procedure for determining a toxicity score or carcinogen classification is incorrectly applied for the contaminant;D) The studies used are inadequate for the purposes of the Subpart C procedure; orE) Additional or new studies should be considered in a determination to list or delist a contaminant.3) A copy of each study or report used to justify the proposal.c) The Agency shall participate in each proposal to list or delist a toxic air contaminant and must provide the Board with a recommendation as to advisability of listing or delisting. Such recommendation must include a toxicity scoring pursuant to Section 232.300 and a carcinogen classification pursuant to Section 232.310.d) The Agency will propose an update of the list of toxic air contaminants to the Board no less frequently than once every 2 years.Ill. Admin. Code tit. 35, § 232.500