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 adopt all of the OIG’s recommendations, EPA has agreed to assess the air-monitoring network around ports and in near-port communities and
Environmental
SCOTUS Will Have a Full Bench to Review Chevron Deference
Chevron deference is squarely in the U.S. Supreme Court’s crosshairs. The Court has had on its October docket an appeal in Loper Bright Enterprises v. Raimondo, which challenges the long-standing doctrine. First established by the Court in the 1984 Chevron v. NRDC case, the doctrine imposes a two-part test when courts determine whether to defer…
Back From the Grave? “Once In, Always In” for Hazardous Air Pollutant Emissions
In the Byzantine complexity of the Clean Air Act (CAA), EPA’s “once in, always in” policy regarding hazardous air pollutants (HAP) has been particularly confounding. And now it’s back in play, through regulatory revisions proposed by EPA in late September.
EPA’s proposal would prohibit a source from reducing its potential emissions of HAP…
EPA Seeks to Modify RCRA Standards for Managing Containers and Drums
The U.S. Environmental Protection Agency (EPA) released an advance notice of proposed rulemaking with a focus on modifying the treatment and handling of “empty” containers and drums under the Resource Conservation and Recovery Act (RCRA). The EPA is soliciting information and requesting comments “to assist in the potential development of non-regulatory and regulatory options that…
Supreme Court Rules for the Sacketts: The “Significant Nexus” Test is Dead – Long Live “Adjacent Wetlands”
On May 25, 2023, after more than 15 years of fighting, a couple contesting the Environmental Protection Agency’s assertion of jurisdiction over their residential lot as “waters of the United States” (WOTUS) under the Clean Water Act (CWA) scored a decisive victory in a U.S. Supreme Court decision, Sackett v. EPA. Chantell and Mike…
EPA Proposes Enforceable Drinking Water Standards For PFAS

Last week EPA released its proposal for the first set of Maximum Contaminant Levels (MCLs) under the Clean Water Act for per- and polyfluoroalkyl substances (PFAS). In contrast to non-enforceable health advisory levels introduced in 2016 and revised in 2022, MCLs constitute enforceable drinking water standards that will impact drinking water utilities and industry nationwide. …
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 (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 (PM2.5). PM2.5 refers to PM with a diameter of 2.5 microns or less, which is about 3-5 percent of the width…
EPA and Army Corps Stand Up to the Supreme Court and Revise “Waters” Definition (Again) in the Face of Court’s Looming Decision in Sackett
In a 50-year game of ping-pong, the Biden administration marked the end of 2022 by taking its turn revising the definition of “waters of the United States,” or “WOTUS” for short. This term determines where Clean Water Act (CWA) permits are required for wetland dredging and filling and pollutant discharges, as well as other CWA…
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, the EPA is reclassifying the extent to which air quality in these parts of the state has failed to attain a certain federal air quality…
No Love for the Dirty Water: EPA Proposing Expanded Stormwater Permitting in Boston
The Standells may “love that dirty water” according to their 1966 hit song, but the Environmental Protection Agency’s (EPA) New England region is hoping to reduce stormwater pollution running off industrial, commercial and institutional properties “down by the banks of the river Charles” and throughout three Boston area watersheds. After prodding from the Conservation…