Toggle Menu


April 25, 2006


Reviews by European Commission, U.S. Environmental Protection Agency and World Health Organization confirm 2,4-D Not a Health Risk


OTTAWA, April 25, 2006 – Expert scientific reviews by the European Commission (2001) United States Environmental Protection Agency (1988, 1997, 2004 & 2005) and the World Health Organization (1996, 1997, 1998 & 2003), as well as Health Canada’s Pest Management Regulatory Agency (2005) reinforce the growing body of scientific assessments that conclude the herbicide 2,4-D does not present a health risk to homeowners (including children and pets) farmers and pesticide applicators when product directions are followed.

In its decision released in August 2005 the US EPA concluded that acute and short-term margins of exposure for homeowner applications of 2,4 D to lawns were “not of concern.”

EPA’s most recent assessment included a review of animal and human data, the latter in the form of epidemiology studies (the study of the incidence of disease in populations). The EPA concluded:

“The Agency has twice recently reviewed epidemiological studies linking cancer to 2,4-D. In the first review, completed January 14, 2004, EPA concluded there is no additional evidence that would implicate 2,4-D as a cause of cancer (EPA, 2004).

The second review of available epidemiological studies occurred in response to comments received during the Phase 3 Public Comment Period for the 2,4-D RED. EPA’s report, dated December 8, 2004 and authored by EPA Scientist Jerry Blondell, Ph.D., found that none of the more recent epidemiological studies definitively linked human cancer cases to 2,4-D.”

“The EPA’s assessment of the human and environmental scientific data reinforces a growing number of regulatory decisions and expert reviews that conclude the use of 2,4-D according to product instructions does not present an unacceptable risk to human health or the environment”, stated Jack Dutra, past Executive Director of the Industry Task Force II on 2,4 D Research Data.

“When expert panels and regulatory authorities around the world examine all the relevant scientific evidence, they consistently reach the same conclusion that 2,4-D does not present health risks of concern", added Dutra.