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EPA Lowers the Fine Particulate NAAQS: A Closer Look at Implementation and Potential Impacts

On February 7, 2024, the U.S. Environmental Protection Agency (EPA) released its Final Rule lowering the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM 2.5) from the current level...more

EPA to Increase Air Monitoring at Marine Ports

In a recent report, the Environmental Protection Agency (EPA) Office of Inspector General (OIG) describes steps the EPA should take to increase air monitoring at marine ports and neighboring communities. While not agreeing to...more

EPA’s Proposal to Tighten the Fine Particulate NAAQS: What's Proposed, Who's Potentially Impacted

On January 6, 2023, the U.S. Environmental Protection Agency (the EPA) released a pre-publication copy of a Proposed Rule, which will lower the annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter...more

Ozone Nonattainment “Bump-up” in Connecticut: Is your facility about to get bumped into more stringent air regulations?

For air emission sources in New Haven County, Middlesex County, and Shelton, Connecticut, the regulatory landscape will change on November 7, 2022.  Per a regulation published on October 7, 2022, EPA is reclassifying the...more

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