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NOAA: Restrictions Recommended As Three Common Pesticides Found To Harm Salmon
Underwatertimes.com News Service
November 18, 2008 21:43 EST

Sockeye salmon in a stream. Credit: NOAA/USFWS

WASHINGTON, D.C. -- NOAA today issued a biological opinion to the Environmental Protection Agency that found three chemicals used in pesticides – diazonin, malathion, and chlorpyrifos - are likely to jeopardize 27 populations of salmon on the West Coast that are listed as either endangered or threatened. The opinion calls for buffer zones next to salmon streams where the chemicals are used.

A biological opinion is NOAA Fisheries Service's assessment of whether a federal action is likely to jeopardize an endangered or threatened species, or its critical habitat.

EPA will use NOAA’s biological opinion as it decides how pesticides containing the three chemicals can be used. EPA examines and registers ingredients of a pesticide to ensure there will be no unreasonable adverse effects. Once registered, a pesticide must be used in a way that is consistent with approved directions on the label.

NOAA’s biological opinion says these three chemicals may be used in pesticides if farmers and others follow specific restrictions on how and when they apply the pesticides to their fields and crops. NOAA says these restrictions should be made explicit on the pesticide labels.

“Scientific research has shown that these three chemicals when found in streams can damage and even kill salmon,” said Jim Balsiger, acting NOAA assistant administrator for NOAA’s Fisheries Service. “The chemicals may also harm stream water quality and the small fish and insects that salmon eat. The restrictions are designed to prevent harmful effects. ”

Some of the required restrictions of the biological opinion include: