There is disagreement between the U.S. EPA and major water sector groups about the cost of EPA’s proposed Maximum Contaminant Levels (MCLs) for per- and polyfluoroalkyl substances (PFAS).
What’s contributing to this difference in cost estimates? What are the data points that informed the MCLs?
Chad Seidel, president of Corona Environmental Consulting, talks more about the proposed MCLs and some of the processes behind their creation. their creation.