Maine says sludge must be tested for ‘forever chemicals’ before it’s used as fertilizer
State environmental regulators announced Friday that all sludge will have to be tested for the presence of an industrial chemical before being used as fertilizer or applied to land. The Maine Department of Environmental Protection announced the new testing requirement in response to growing concerns about contamination from PFAS, a group of chemicals widely used to create non-stick coatings on cookware, food packaging and fabrics, as well as in firefighting foam. [node:read-more:link]