Friday, September 22, 2023
Courthouse News Service
Friday, September 22, 2023 | Back issues
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Weed Killer Comes|Back for Berries

WASHINGTON (CN) - The Environmental Protection Agency has approved use of the previously banned weed killer clopyralid. The agency approved lower tolerance levels for the toxin than those requested by Interregional Research Group 4, an EPA funded agricultural research project based at Rutgers University in New Jersey.

The group had requested a tolerance of 5.0 ppm for Swiss chard and 6.0 ppm for strawberries and blueberries. The EPA approved tolerances of 3.0 ppm for Swiss chard and 0.5 ppm for blueberries and 4.0 ppm for strawberries.

Clopyralid was once fairly common as a lawn pesticide that was banned by the city of Seattle in 1999 because it was found to persist in composted vegetation. Dow AgroSciences voluntarily stopped using clopyralid for lawn care shortly after the ban.

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