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Environmental Assessment

IRIS Toxicological Review of Chlordecone (Interagency Science Discussion Draft)

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Archived files are provided for reference purposes only. The file was current when produced, but is no longer maintained and may now be outdated. Persons with disabilities having difficulty accessing archived files may contact the NCEA Webmaster for assistance. Please visit http://epa.gov/ncea to access current information.


Report Information

On September 22, 2009, the IRIS Summary and Toxicological Review of chlordecone was finalized and loaded onto the IRIS database. The Toxicological Review of chlordecone was reviewed internally by EPA, by other federal agencies and White House Offices, by expert external peer reviewers, and by the public. In the new IRIS process, introduced by the EPA Administrator, all written comments on IRIS assessments submitted by other federal agencies and White House Offices will be made publicly available. Accordingly, interagency comments and the interagency draft of the chlordecone IRIS assessment are posted on this site.

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Karen A. Hammerstrom
  • by phone at:   703-347-8642
  • by email at:  hammerstrom.karen@epa.gov

Background

The draft Toxicological Review of chlordecone provides scientific support and rationale for the hazard identification and dose-response assessment pertaining to chronic exposure to chlordecone. Chlordecone is a chlorinated insecticide which was used mainly as a fungicide and insecticide to control slugs, snails, and fire ants. According to the CERCLA database, chlordecone is found at 3 National Priority List (NPL) Superfund sites. Intoxication occurred in over a hundred workers at a Hopewell, Virginia, chlordecone manufacturing plant in the late 1970s. Effects observed in the workers following this accident included tremors, liver enlargement, and oligospermia (low semen volume). Registration was cancelled in 1978.

History/Chronology

2004EPA began developing the Toxicological Review of chlorodecone.
Jan 2008EPA released an External Review Draft for public comment and review.
Aug 2009EPA hosted an interagency science discussion on the draft IRIS Summary and Toxicological Review of chlordecone. These comments are provided on this web site.
Sep 2009EPA released the Final Toxicological Review (PDF) and accompanying Summary for chlordecone to the IRIS Web site.

Next Steps

The assessment has been finalized and loaded onto the IRIS database.

Citation

U.S. EPA. IRIS Toxicological Review of Chlordecone (Interagency Science Discussion Draft). U.S. Environmental Protection Agency, Washington, D.C., 2009.

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