PFAS Regulatory Updates: EPA Health Advisory and NYSDEC Part 375 Draft Revisions

EPA Released Health Advisories On June 15, 2022, the U.S. Environmental Protection Agency (EPA) announced four health advisories (HAs) for per- and polyfluoroalkyl substances (PFAS). This announcement included interim drinking water health advisories for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). EPA issued final health advisories for hexafluoropropylene oxide (HFPO) dimer acid and its… Read More

Walden to Present at Stormwater Control Conference

On March 16, 2021, Walden’s Ted Nitza and Harkin Aerial’s Scott Harrigan will be presenting at the national 2022 Operation & Maintenance of Stormwater Control Measures Conference during the morning group of sessions categorized ‘Technology and Novel Equipment’. Walden’s Rebecca Stouges is also a co-author of this study and has contributed much of the engineering… Read More

Zero Emission Vehicle Project Funding Available for New York Municipalities

Up to $2,800,000 is available in the 2021 Municipal Zero-Emission Vehicle (ZEV) Program. These grants are being offered to help municipalities install public charging stations and purchase or lease electric vehicles for fleet use. The ZEV Infrastructure Grants provide funding opportunities to install either electric vehicle supply equipment (EVSE) or hydrogen fuel cell filling stations… Read More

Paused: EPA Lead and Copper Rule Revisions

The Environmental Protection Agency (EPA) recently published the final regulatory revisions to the Lead and Copper Rule (LCR) in the Federal Register, but the new Biden Administration has placed a ‘pause’ on this new rule as they review its content and benefits. This National Primary Drinking Water Regulation (NPDWR) for lead and copper falls under… Read More

New York State Releases Guidance on PFAS Sampling, Analysis, and Assessment

The New York State Department of Environmental Conservation (DEC) recently released guidance on sampling, analysis, and assessment of per- and polyfluoroalkyl substances (PFAS) in October of 2020. This guidance was developed by the DEC’s Division and Environmental Remediation (DER) to ensure consistency in analysis and reporting of PFAS. The new guidance outlines procedures for sampling… Read More