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Archive for the 'simazine' Category


12
Sep

Levels of Pesticides Still a Concern for Aquatic Life in U.S. Rivers and Streams

(Beyond Pesticides, September 12, 2013) A new U.S. Geological Survey (USGS) report finds that levels of pesticides continue to be a concern for aquatic life in many of the Nation’s rivers and streams in agricultural and urban areas. The study, which documents pesticide levels in U.S. waterways for two decades (1992-2011), finds pesticides and their […]

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04
Aug

House Votes to Roll Back Protections from Pesticides Put in Nation’s Waters

(Beyond Pesticides, August 4, 2014) The Clean Water Act (CWA) provides critical safeguards for our nation’s waterways, with the goal of fishable and swimmable waters for all residents of the United States. Last Thursday, the House of Representatives voted to strip away an important part of these protections concerning pesticides applied directly to U.S. waters. […]

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06
Nov

Settlement Will Safeguard Endangered California Frog from Harmful Pesticides

(Beyond Pesticides, November 6, 2013) A federal district court approved a settlement Monday requiring the U.S. Fish and Wildlife Service to better protect California red-legged frogs from seven common pesticides known to be highly toxic to amphibians. The settlement gives the agency two years to prepare “biological opinions” under the Endangered Species Act (ESA) to […]

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30
Jul

Pesticides Contaminate Frogs in California National Parks

(Beyond Pesticides, July 30, 2013) A recent study published in Environmental Toxicology and Chemistry found levels of pesticide contamination from agricultural drift in Pacific Tree frogs in remote mountain areas including national parks. The study supports past research on the pesticide transport through atmospheric dust and rain. To conduct the study, researchers collected Pacific Chorus […]

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03
Nov

Bee Die-Offs Linked to Pesticide Mixtures, Window of Exposure

(Beyond Pesticides, November 3, 2009) Research by scientists at the University of Florida (UF) links Colony Collapse Disorder (CCD), the widespread disappearance of honey bees that has killed off more than a third of commercial honey bees in the U.S., to larval exposure to a cocktail of frequently used pesticides. Led by UF Institute of […]

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27
Oct

Persistent Pesticides Detected in Groundwater Again

(Beyond Pesticides, October 27, 2008) Six pesticides that threaten water quality and public health continue to be detected in groundwater samples, according to a new U.S. Geological Survey (USGS) study. Published in the Journal of Environmental Quality, the study evaluates groundwater contaminants from samples taken from over 300 wells across the U.S. Over the years, […]

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10
Sep

Oregon To Set New Water Quality Standards for Seven Pesticides

(Beyond Pesticides, September 10, 2008) Following the report released by the National Marine Fisheries Service that identified 37 pesticides that pose risks to salmon and steelhead, Oregon state officials are moving ahead to set new safety benchmarks for seven pesticides of priority concern. A team from the Oregon Water Quality Pesticide Management Program identified seven […]

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