New contaminant levels for two key PFAS chemicals, each 4 parts per trillion, are near the current U.S. practical detection limit, industry expert tells ENR, but EPA says more federal funding and added compliance time would boost fixes by drinking water systems.
Water systems, and their design and construction experts, boost efforts to eliminate contamination from ubiquitous 'forever’ chemicals, a key component of widely used firefighting foam runoff—as federal rules, technologies and costs catch up.