Table 2.
Classification of POPs according to International Agency for Research on Cancer.
| IARC Classification | POPs |
|---|---|
| Group 1: The agent (mixture) is carcinogenic to humans. | 2,3,7,8-Tetrachlorodibenzo-para-dioxin (TCDD) |
| Group 2A: The agent (mixture) is probably carcinogenic to humans. | Mixtures of polychlorinated biphenyls (PCB) |
| Group 2B: The agent (mixture) is possibly carcinogenic to humans. | Chlordane DDT Heptachlor Hexachlorobenzene Mirex Toxaphene (mixtures of Polychlorinated camphenes) |
| Group 3: The agent (mixture or exposure circumstance) is unclassifiable as to carcinogenicity in humans. | Aldrin Dieldrin Endrin Polychlorinated dibenzo-para-dioxins (other than TCDD) Polychlorinated dibenzofuran |