Archives

April 28, 2025

EPA Extends Comment Period on Draft Sewage Sludge Risk Assessment for PFOA and PFOS

On April 17, 2025, the U.S. Environmental Protection Agency (EPA) extended the comment period on a draft risk assessment of the potential human health risks associated with the presence of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) in biosolids, also known as sewage sludge. 90 Fed. Reg. 16128. According to EPA, the draft risk assessment “reflects the agency’s latest scientific understanding of the potential risks to human health and the environment posed by the...
February 24, 2025

EPA Reopens, Extends Comment Periods for Proposed PFAS Rule and Notices

On February 21, 2025, the U.S. Environmental Protection Agency (EPA) extended the comment deadline for the January 17, 2025, proposed rule to clarify the timeframe for when companies must first notify a customer that one of its mixtures or trade name products contains a per- or polyfluoroalkyl substance (PFAS) listed on the Toxics Release Inventory (TRI). 90 Fed. Reg. 10043. As reported in our January 22, 2025, blog item, the Biden EPA proposed the rule...
January 14, 2025

EPA Releases Draft Risk Assessment of PFOA and PFOS in Biosolids, Will Hold Webinar on January 15, 2025

The U.S. Environmental Protection Agency (EPA) announced on January 14, 2025, a draft risk assessment of the potential human health risks associated with the presence of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) in biosolids, also known as sewage sludge. According to EPA, the findings show that there may be human health risks associated with exposure to PFOA or PFOS with all three methods of using or disposing of sewage sludge — land application...