Section 232.320  Carcinogen Classification

a)         For purposes of this Part, the Agency will consider a contaminant to be a carcinogen if it is classified in the following manner:

1)         A Category A1 or A2 Carcinogen by AGCIH; or

2)         A Category 1 or 2A/2B Carcinogen by IARC; or

3)         A "Human Carcinogen" or "Anticipated Human Carcinogen" by NTP; or

4)         A Category A or B1/B2 Carcinogen by the United States Environmental Protection Agency (USEPA) in IRIS or a Final Rule issued in a Federal Register notice by the USEPA as of the effective date of this regulation.

b)         The references ACGIH, IARC, and NTP are incorporated by reference in Section 232.110.  The reference IRIS is the United States Environmental Protection Agency, Office of Health and Environmental Assesment, Integrated Risk Information System.  The categories A, B1, and B2 carcinogens of IRIS as of December 31, 1989, are listed in Section 232.Appendix C.