Section 232.200  Characteristics for Determining a Toxic Air Contaminant

a)         Contaminants found by the Board to be Toxic Air Contaminants pursuant to subsections (b) or (c), below, shall be listed in Appendix A.

b)         A Toxic Air Contaminant is a contaminant which the Board finds may cause or significantly contribute to an increase in mortality or an increase in serious irreversible or incapacitating reversible illness, or may pose a significant threat to human health.  (Section 9.5(c) of the Act)

c)         The Board shall find that a contaminant is a Toxic Air Contaminant upon a determination that:

1)         The contaminant has a Toxicity Score of 3 or greater using the procedures for determining the Toxicity Score described in Section 232.310; or

2)         The contaminant is classified as a carcinogen according to Section 232.320; and

3)         The contaminant meets the statutory definition set forth in subsection (b), above.

d)         Any person can petition the Board to list or delist a toxic air contaminant pursuant to the requirements of Section 232.500.  The Board will consider such a petition a proposal for rulemaking subject to the requirements of 35 Ill. Adm. Code 102.