Farmers across Washington already spread thousands of tons of fertilizer from human waste on their crops each year, but there’s a major blind spot when it comes to potential contaminants. In ...

Lab testing for PFAS "forever chemicals" can help prove compliance with regulations — although not without some caveats and complications.

PFAS chemicals from firefighting foam have contaminated drinking water wells in Glocester, Rhode Island. Landfills, military sites, and industrial facilities are common sources of PFAS contamination ...