Seattle Post Intelligencer - USA
TACOMA, Wash. — Promoted as a great way to dispose of treated waste, the sewage sludge sold to homeowners to spray on their lawns and gardens may also be adding drugs, flame retardants and other chemicals to the landscape.
Chad Kinney, an assistant professor of chemistry and biochemistry at Eastern Washington University, found dozens of medicinal, industrial and household compounds in treated sewage sludge, also known as biosolids, that government agencies sell as lawn-and-garden enhancements.
Study finds drugs, chemicals in treated waste sold to gardeners