Pesticides in the Food Chain.

Discusses Velsicol Chemical Corp.'s fight for the right to continue producing the pesticides chlordane and heptachlor in the United States despite scientific findings claiming that the pesticides' metabolites become permanent part of the tissues of living things and can cause cancer. Environmental Protection Agency administrator, Russell Train's modification of the suspension order on the production of the pesticides; Implication of the issue on the environment and food production.