Page 2 - Final Determinations News Today

perfluorobutanesulfonic acid (PFBS) The newly proposed UCMR 5 will expand the list of monitored PFAS compounds to 29.[8] Most PWSs will be affected by this proposed rule and will be required to monitor these compounds, subject to the availability of adequate Congressional appropriations and appropriate laboratory capacity.[9] The monitoring information required under UCMR 5 will provide USEPA with data on the national occurrence of the identified contaminants in drinking water systems, which wi...