Originally published November 4 2005
Study proves the presence of pesticide chemicals in suburban aquatic environments
by Mike Adams, the Health Ranger, NaturalNews Editor
The journal Environmental Science and Technology magazine have published the findings of a study conducted by Donald Weston, an adjunct professor at UC Berkeley, who found high levels of pyrethoids, a common ingredient of pesticides, in sediment taken from suburban streams.
Pyrethroids, the active ingredient used in most home and garden insecticides, have been on the market for years.
Although the compounds are considered potentially less harmful to humans than other insecticides, surprisingly little information is available about their long-term impact on the environment, according to Donald Weston, Ph.D., an adjunct professor of ecotoxicology at the University of California, Berkeley.
The finding, by Weston and others, was published online Oct. 19 by the American Chemical Society's journal, Environmental Science & Technology.
A print version of the article is scheduled to appear in the journal's Dec. 1 issue.
Nearly all of the sediment samples Weston and his colleagues gathered from streams bordering a Roseville, Calif., neighborhood (a suburb of Sacramento) contained enough pyrethroids to eradicate a small bottom-dwelling crustacean called Hyalella azteca.
"These results indicate that monitoring for pyrethroids in urban and suburban streams is overdue, and the public, regulators, and the scientific community should give greater consideration to the potential effects of residential use of pyrethroids on aquatic systems," Weston and his colleagues conclude.
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