Documents show the risks toxic substances posed in the underground capsules and silos where Air Force nuclear missile crews have worked since the 1960s.
The Pentagon is already on the hook for $27 billion in environmental cleanup, loosening the PFAS standards cost give it some relief - but at what cost?
Chemicals associated with firefighting foam once used at a U.S. Air Force base in eastern New Mexico have been detected in groundwater on and near the military installation, prompting requests by state officials for more tests and a study to determine the extent of the toxic plume.
As Tropical Storm Florence spins inland, environmental regulators are monitoring more than three dozen toxic waste sites in the storm's path, as well as scores of low-lying water- and sewage-treatment plants at risk of flooding.
EPA testing from 2013 to 2015 found significant amounts of PFAS in public water supplies in 33 U.S. states. The finding helped move PFAS up as a national priority.
The water at or around 126 military installations contains potentially harmful levels of perfluorinated compounds, which have been linked to cancers and developmental delays for fetuses and infants.
Researchers who flew a drone over the open burning of hazardous waste at an Army ammunition plant in Virginia found arsenic, lead and other pollutants at higher-than-expected levels, according to a draft report obtained by The Associated Press.