Cyanotoxins Dominate Proposed Contaminant List
The EPA has proposed 30 chemical contaminants/groups for its 4th Unregulated Contaminant Monitoring Rule (UCMR 4). The Safe Drinking Water Act (SDWA) specifies that the UCMR must list no more than 30 contaminants or groups—called the contaminant candidate list (CCL)—and that the EPA must produce a revised list every 5 years. Also, as required by […]
