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Dec 23, 20242 min read
EPA Formalizes Designation of New PA Non-Attainment Area & Reduces Secondary NAAQS for Sulfur Dioxide to End 2024
We blogged earlier this year about two developments concerning the National Ambient Air Quality Standards (NAAQS) for sulfur dioxide...
Jul 8, 20243 min read
SCOTUS tells EPA its Good Neighbor Plan is “Arbitrary and Capricious;” Stays the Plan
The Clean Air Act spent some time in the headlines recently thanks to the U.S. Supreme Court’s decision to stay the EPA’s “Good Neighbor”...
Nov 10, 20215 min read
Allegheny County PM2.5 Levels Below Federal Standard but the Future is Still Hazy
The EPA in September announced that the agency intends to make a Clean Data Determination regarding levels of PM2.5 in the county.
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