EPA to reconsider particulate matter NAAQS
The US Environmental Protection Agency (EPA) announced that it will reconsider the previous administration’s decision to retain the particulate matter (PM) National Ambient Air Quality Standards (NAAQS) (earlier post), which were last strengthened in 2012. EPA is reconsidering the December 2020 decision because it says that available scientific evidence and…
EPA to reconsider particulate matter NAAQS
2021-06-13 05:00