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The EPA announced a proposal to strengthen the National Ambient Air Quality Standards (NAAQS) for fine particulate pollution (PM-2.5) on January 6, 2023. The pre-publication version of the proposed rule calls for a revision to the primary annual PM-2.5 standard by lowering the level from 12 micrograms per cubic meter to a level between 9 […]
In its current review of its 2012 National Ambient Air Quality Standards (NAAQS) for particulate matter (PM), the EPA may need to closely consider a new report from the National Toxicology Program (NTP) on the relationship between traffic-related air pollution (TRAP) and hypertension during pregnancy.
A 1,880-page draft report on the risk particulate matter (PM) imposes on human health may undergo extensive revisions because the EPA’s powerful Clean Air Scientific Advisory Committee (CASAC) has concluded that the methods used by the authors of the report are flawed and that the authors’ estimated impact PM has on mortality is overstated.
The air pollution in Fairbanks North Star Borough, Alaska (Fairbanks), is among the worst in the nation, and the EPA is doing nothing about it. That’s the view of several citizen groups that with the assistance of major U.S. environmental organizations are now suing the Agency for inaction for the third time in 2 years. […]