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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...
Feb 20, 20243 min read
New Designated Non-Attainment Area for SO2 in Western PA? That’s What EPA's Proposing - But is it Too Late to Make a Difference?
The U.S. Environmental Protection Agency (EPA) earlier this month announced a proposal that - if approved - would mean four...
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