
TRI/Form R Reporting
Each year, the Environmental Protection Agency (EPA) requires Toxics Release Inventory (TRI – aka “Form R”) data to be reported from applicable industrial facilities in the United States. The purpose of TRI reporting is to monitor toxic chemical releases into the...

Your Guide to PFAS Reporting Requirements, Part 4: How to Comply
In Part 3 of our PFAS reporting blog series, we reviewed PFAS reporting requirements under the Emergency Planning and Community Right-to-Know Act (EPCRA) and the Toxic Substances Control Act (TSCA). Below, we will discuss these requirements in detail. TSCA...

Your Guide to PFAS Reporting Requirements, Part 3: What Are the Requirements?
In Part 1 and Part 2 of this blog series, we discussed what PFAS are and EPA actions to regulate these chemicals, respectively. Here, we will detail the current PFAS reporting requirements. This blog series covers our recently published PFAS reporting guide, which is...

Your Guide to PFAS Reporting Requirements, Part 2: EPA Action
Walden recently published a guide detailing reporting requirements for PFAS chemicals. In Part 1 of this blog series, we provided background information on PFAS, including the negative impacts that they can have on human health. Here, we will discuss actions that the...

Your Guide to PFAS Reporting Requirements, Part 1: What Are PFAS?
If you have been following the news lately, you have probably come across the term “PFAS.” However, many people are not familiar with what PFAS are or the impact that they can have on humans and the environment. Walden has published a guide that examines PFAS in...

EPA Adds Nine PFAS to Toxics Release Inventory (TRI)
On January 3, 2025, the U.S. Environmental Protection Agency (EPA) announced that facilities will need to report Toxics Release Inventory (TRI) data for nine additional per- and polyfluoroalkyl substances (PFAS) if these chemicals are manufactured, processed, or...

Reducing PFAS in the Metal-Finishing Industry
What Are PFAS? Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a class of manufactured chemicals invented in the 1930s. One of the first known examples was the invention of non-stick cookware by DuPont in 1946 which features a chemical coating with the brand...

EPA Designates Two Per- and Polyfluoroalkyl Substances (PFAS) as Hazardous Under CERCLA
The Comprehensive Environmental Response Compensation and Liability Act (CERCLA) defines a hazardous substance as any element, compound, mixture, solution, or substance (designated under Section 102 of CERCLA) that may present substantial danger to public health,...

EPA’s New Per- and Polyfluoroalkyl Substances (PFAS) Regulations
Background For many decades, Americans have unknowingly been exposed to toxic chemicals, including those called “forever chemicals,” like per-and polyfluoroalkyl substances (PFAS), with no oversight from the government. These chemicals are known to have a negative...

Navigating the Problem of Per- and Polyfluoroalkyl Substances (PFAS) in NYS
The presence of per-and polyfluoroalkyl substances (PFAS) in drinking water poses major health challenges to New Yorkers. In January 2024, the New York State Department of Environmental Conservation (NYSDEC) released a new draft for applying the guidance values (GVs)...