Ill. Admin. Code tit. 35, pt. 232

Toxic Air Contaminants

AUTHORITY: Implementing Section 9.5 and authorized by Section 27 of the Environmental Protection Act [415 ILCS 5/9.5 and 27]. SOURCE: Adopted in R90-1 at 16 Ill. Reg. 16592, effective October 18, 1992; amended in R96-4 at 21 Ill. Reg. 6237, effective May 12, 1997; amended in R22-17 at 49 Ill. Reg. 6462, effective April 23, 2025.POLLUTION CONTROL BOARD

232.100Introduction 232.110Incorporations by Reference 232.120Definitions 232.130Applicability 232.200Characteristics for Determining a Toxic Air Contaminant 232.300Purpose 232.310Procedures for Determining the Toxicity Score 232.320Carcinogen Classification 232.400Purpose 232.410Applicability 232.420ITAC Source Report 232.421Emissions Report Certification 232.423Failure to Receive an ITAC Source Report 232.430Emissions Report 232.440Use of Available Data 232.450Retention of Records/Additional Information 232.460Reporting of Errors 232.500Procedures for Listing and Delisting Toxic Air Contaminants 232.501Listing of Federal Hazardous Air Pollutants, Great Lakes Commission Toxic Compounds and Great Waters Program Toxic Compounds 232.APPENDIX AList of Toxic Air Contaminants 232.APPENDIX BAdditional Procedures for Calculating the Chronic Toxicity Score 232.APPENDIX CCarcinogens (Categories A, B1, and B2) listed on the Integrated Risk Information System (IRIS) as of December 31, 1989 (United States Environmental Protection Agency, Office of Health and Environmental Assessment)