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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...
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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”...
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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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