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Industry Viewpoint on Thresholds for Genotoxic CarcinogensFMC Corporation, Agricultural Products Group, Philadelphia, Pennsylvania 19103 Modem chemical control of pests has contributed to a dramatic improvement in public welfare since its introduction 50 years ago. Millions of lives have been saved through the control of disease vectors, and millions more have been improved by the use of chemicals to produce an inexpensive and abundant food supply. Hundreds of pesticidally active ingredients are in commercial use today, and among these are found genotoxic and nongenotoxic carcinogens. In the United States, the Environmental Protection Agency regulates carcinogens using threshold and nonthreshold approaches depending upon the outcome of a weight-of-evidence determination. More than one-half of all pesticides with some evidence of carcinogenic potential are regulated by the nonthreshold approach. The limitations on product use imposed by this approach have restricted the number of products available to growers and to the public. This restriction has had a direct impact on industry with respect to commercial success and financial returns on investment as well as an indirect impact on the industry's ability to fund the discovery and development of new compounds. This paper explores the question of how well regulation by the nonthreshold approach has achieved the goal of protecting public health, whether it does this better than the alternative use of the threshold approach, and whether the incremental protection it affords is a meaningful public benefit that justifies the aforementioned impacts on industry.
Key Words: Pesticides • risk assessment • regulation • industry impact
Toxicologic Pathology, Vol. 28, No. 3,
396-404 (2000) This article has been cited by other articles:
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