EPA proposes rule requiring dentists to install amalgam separators
The U.S. Environmental Protection Agency (EPA) today proposed a rule under the Clean Water Act requiring dentists to install amalgam separators to help cut discharges of dental amalgam to the environment. The proposed rule would require all affected dentists to control mercury discharges to publicly owned treatment works (POTWs), according to an EPA statement. Specifically, it would require them to cut their dental amalgam discharges to a level achievable through


