Wildlife Damage Management, Internet Center for


Date of this Version

February 1980


Published in Proceedings of the Fourth Eastern Pine and Meadow Vole Symposium, Hendersonville, NC, February 21-22, 1980, Ross E. Byers, editor. Copyright © 1980 [the authors].


Following a comprehensive three-year Rebuttable Presumption Against Registration ("RPAR") review of endrin, on July 25, 1979 the U.S. Environmental Protection Agency announced its decision to continue federal approval of endrin for control of pine voles in the East and meadow voles in the West among other uses. See 44 Fed. Reg. 43,637-8. The Agency concluded that with additional safety precautions and procedures, endrin can be applied safely and effectively, and that the benefits of usage outweigh any risks. The stringent new safe¬guards being required by EPA, including new usage restrictions and directions, equipment specifications, and warnings to female applicators, are reprinted in Appendix 1. */ As the manufacturer of endrin, Velsicol Chemical Corporation fully endorses the Agency's decision to im¬pose these enhanced measures for prudent usage of endrin in apple orchards.

Earlier phases of the endrin RPAR, and EPA's preliminary proposal for retention of orchard uses, were described at the Third Eastern Pine and Meadow Vole Symposium, held in New Paltz, New York on February 14-15, 1979. See Proceedings, pp. 4-7, 15-16. At the time of that Symposium, the Agency was in the process of re¬viewing the written comments filed by federal and state authorities, Velsicol, and user and environmentalist groups in response to the proposed regulatory actions. The final determination published in July, 1979 took into