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With the trade name Kepone, this powerful pesticide was briefly manufactured in a plant in Virginia for about 3 years from 1973 to 1975. Industrial hygiene was inadequate, and there was considerable environmental contamination. Workers exposed to chlordecone experienced bizarre neurological symptoms, including ataxia, visual and speech disorders, toxic psychosis, and also aspermia or severe oligospermia causing infertility. Chlordecone, and a related chemical pesticide trade named Mirex, also are powerfully carcinogenic. Both are now banned.

Subjects: Public Health and Epidemiology.

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