Three former executives of a company that makes machines that test lead levels in humans deliberately concealed a problem with the devices that produced falsely low results for tens of thousands of ...

Chicago has more lead service lines than any other city in the United States. That concerning stat has inspired researchers at Northwestern University to help with a solution. They came up with an ...

The city of Syracuse on Tuesday fired itself from testing for lead in residential drinking water and hired a third-party company to do the next round of tests. Councilors approved a request from Mayor ...