David Reif was a member of the Working Group that drew experts from 13 countries to a meeting in Lyon, France in order to evaluate the carcinogenicity of the the insecticides gamma-hexachlorocyclohexane (lindane) and dichlorodiphenyltrichloroethane (DDT) and the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D).
Summaries of the final evaluations are available in the official press release and Lancet Oncology article. The detailed assessments will be published as Volume 113 of the IARC Monographs.