(2) Carcinogenicity
In February 1997, the program of the International Agency for Research on Cancer (IARC)
Monographs on the Evaluation of Carcinogenic Risks to Humans, convened a Working Group of experts
and observers from 11 countries in Lyon, France, to evaluate the evidence that polychlorinated dibenzo-pdioxins
(PCDDs) and polychlorinated dibenzo furans (PCDFs) might be risk factors for human cancer [2].