As discussed in a previous post, EPA recently issued a final rule establishing drinking water standards, known as maximum contaminant levels (MCLs), for six per- and polyfluoroalkyl substances (PFAS). The final rule became...more
The United States Environmental Protection Agency (EPA) issued a final rule on May 17, 2024, updating the list of chemicals subject to reporting under the Emergency Planning and Community Right-to-Know Act (EPCRA) and the...more
We reported earlier this year that the Environmental Protection Agency’s (EPA) proposed rule would require stricter (1) reporting of perfluoroalkyl and polyfluoroalkyl substances (PFAS) to the Toxics Release Inventory (TRI)...more
As previously reported, the U.S. Environmental Protection Agency (EPA) published its most recent list of unregulated constituents to be monitored by public water systems (PWSs)—the fifth Unregulated Contaminant Monitoring...more
The Toxic Substances Control Act (TSCA) authorizes the United States Environmental Protection Agency (EPA) to impose restrictions relating to chemical substances and/or mixtures as well as requirements for reporting,...more
The U.S. Supreme Court recently issued an important decision that restricts the jurisdictions of the U.S. Environmental Protection Agency and U.S. Army Corps of Engineers (USACE) over wetlands.
Background- In Sackett v....more
Last month, the Delaware House of Representatives and Senate passed Concurrent Resolution No. 20 (the “Resolution”) related to aqueous film forming foam (AFFF). While concurrent resolutions lack the force and effect of law,...more
On February 24, 2023, the U.S. Environmental Protection Agency (EPA) announced that it was providing $23,186,000 to New Hampshire for clean water infrastructure upgrades. Approximately half of the funding will be in the form...more
As a reminder, the Environmental Protection Agency (EPA) proposed a rule last month that would enhance (1) reporting of perfluoroalkyl and polyfluoroalkyl substances (PFAS) to the Toxics Release Inventory (TRI) and (2)...more
Earlier this summer, the U.S. Environmental Protection Agency (EPA) published its draft fifth Contaminant Candidate List (CCL 5) and accompanying technical support document.
By way of background, contaminants listed on the...more
We previously reported an expected timeline for promulgation of Delaware’s maximum contaminant levels (MCLs) for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) that was generally in line with the...more
As explained in a previous post, Delaware’s Division of Public Health (the “Division”) and Department of Natural Resources and Environmental Control (DNREC) have been tasked with establishing maximum contaminant levels (MCLs)...more
Earlier this month, the Environmental Protection Agency (EPA) published in the federal register its notice of availability to comment on its Draft Recommended Aquatic Life Ambient Water Quality Criteria for Perfluorooctanoic...more