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Richard Valdmanis


Stories by Richard Valdmanis

The chemicals found on Stone’s farm likely came from biosolids, or nutrient-rich sewage from municipal utilities.
News

The curious case of tainted milk from a Maine dairy farm

The farm’s cow’s manure and their milk showed high levels of perfluoroalkyl substances

By Joshua Schneyer, Richard Valdmanis April 29, 2019
Reuters – For Maine dairy farmer Fred Stone, the discovery in 2016 that his cows were producing tainted milk has since brought financial ruin and threatened to shut down a […] Read more

The Big River Resources ethanol plant at West Burlington, Iowa, about 120 km southwest of Davenport. (Steven Vaughn photo courtesy ARS/USDA)
Crops, Machinery, Markets

U.S. EPA ups biofuel targets slightly

By Jarrett Renshaw, Richard Valdmanis November 30, 2017
Reuters — The U.S. Environmental Protection Agency said on Thursday it will require fuel companies to blend slightly more biofuels into the nation’s gasoline and diesel next year, angering oil […] Read more


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