According to the U.S. Environmental Protection Agency, Congress amended the federal Safe Drinking Water Act in 1986, which prohibited pipe, solder or flux in public water systems that is not “lead ...

Heavy metals are natural components of the Earth’s interior. They have an unusually high atomic weight and density, five ...

As recently as the early to mid-2000s, the reputations of South Korean automaker Hyundai and its sister brand Kia were in ...