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.
Final version of an emissions regulation announced by U.S. Environmental Protection Agency will affect all on-road passenger vehicles, including cars, light-duty trucks and medium-duty vehicles.
The U.S. Environmental Protection Agency has issued a final rule prohibiting ongoing uses of chrysotile asbestos, the only known form of asbestos currently imported, processed or distributed for use in the U.S.
Greenhouse gas cuts from already built gas-fired power plants are being addressed in a separate rulemaking, agency chief Michael Regan said, with some in Congress pushing that it be proposed by year end.
The tighter air pollution standard was long sought by health and environmental justice groups but faced criticism from manufacturing and construction industry associations.