The Nickel Report

On April 10, 2024, the U.S. Environmental Protection Agency (EPA) released a pre-publication copy of its final rule to establish limits on six per-and-polyfluoroalkyl substances (PFAS) in drinking water under the Safe Drinking Water Act (SDWA). The rule will be effective 60 days after publication in the Federal Register.

On December 22, 2022, EPA’s Integrated Risk Information System (IRIS) Program released its ORD Staff Handbook for Developing IRIS Assessments (IRIS Handbook). EPA began working on the approaches in the IRIS Handbook after a 2011 National Research Council report recommended several improvements to the overall IRIS assessment process. In 2020, EPA released a draft IRIS Handbook for public comment and commissioned a peer review by the National Research Council.

Established in 1985 to ensure Agency-wide consistent toxicity evaluations, IRIS assessments provide chemical toxicity values for noncancer and cancer human health effects resulting from chronic exposure to chemicals. These values are often utilized in EPA regulations under the Clean Air Act (CAA), the Safe Drinking Water Act (SDWA), and the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). While chemical risk evaluations conducted under the Toxic Substances Control Act (TSCA) require more information and analysis than that provided by an IRIS assessment, IRIS assessments will likely continue to be used to inform TSCA risk evaluations. State agencies and international bodies also rely on IRIS assessments.

On June 15, 2022, the United States Environmental Protection Agency (EPA) released drinking water health advisories [1] for certain per- and polyfluoroalkyl substances (PFAS), resulting in the establishment of:

1. Near zero updated interim advisory levels for Perfluorooctanoic acid (PFOA) and Perfluorooctane sulfonic acid (PFOS) that are not only orders of magnitude below previously established levels, but that are also below detectable levels and, notably, were issued in advance of completion of peer review by EPA’s Science Advisory Board (SAB); and
2. Newly issued final advisories at low levels for GenX and PFBS chemicals that have been used as replacement chemicals for PFOA and PFOS.

11.22.21 Last week, EPA transmitted four important documents to the EPA Science Advisory Board (SAB) for peer review that included updated health assessments for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). This peer review, which will start on December 16, will inform EPA’s development of a Maximum Contaminant Level (MCL) Goal and a future, legally enforceable National Primary Drinking Water Regulation for PFOA and PFOS under the Safe Drinking Water Act. As noted in the PFAS Strategic Roadmap: EPA’s Commitments to Action 2021-2024, EPA intends to release a proposed drinking water regulation for PFOA and PFOS in fall 2022. These scientific documents will provide the underpinnings for that important regulation.

Congress is exploring regulatory action for PFAS as states begin to implement their own regulations for the chemicals. Hunton Andrews Kurth attorneys, Dan Grucza and Chuck Knauss outline approaches companies can take while operating in this changing legal landscape.

Despite the many benefits of PFAS, there continues to be a rise in regulatory action, legal implications and environmental, health and safety concerns related to the “forever chemicals.” Hunton Andrews Kurth attorneys Dan Grucza and Chuck Knauss give an inside look into the changing regulatory landscape of PFAS.

The US Environmental Protection Agency (EPA) recently released its latest National Compliance Initiatives (NCIs), which aim to focus the Agency’s enforcement arm, the Office of Enforcement and Compliance Assurance (OECA), on areas of significant environmental violations and other opportunities for the greatest environmental benefit through increased compliance with environmental laws. In a memorandum issued June 7, 2019, enforcement chief Susan Parker Bodine advised the Agency’s regional offices of the NCIs for upcoming fiscal years 2020 through 2023.

Policy makers in California have pledged to resist Trump administration policy changes on environmental and other issues. Senate Bill 1 (SB 1), proposing the California Environmental, Public Health and Workers Defense Act of 2019, is the California legislature’s current preemptive response to the administration’s attempts to modify certain federal environmental and worker safety laws.

SB 1 has passed the California Senate. It is awaiting a final hearing in the State Assembly’s Appropriations Committee, likely sometime in mid‑to‑late August. After that, it moves to the Assembly floor, where a final vote is required by the end of California’s legislative session on September 13, 2019.

On March 15, 2019, the House Subcommittee on Environment and Climate Change held a hearing titled, “Protecting Americans at Risk of PFAS Contamination & Exposure.” The hearing examined approaches to eliminate or reduce environmental and health risks to workers and the public from per- and polyfluoroalkyl substances (PFAS).

EPA has shown a little love for states wanting action on per- and polyfluoroalkyl substances (PFAS). On February 14, 2019, EPA announced its PFAS Action Plan, calling it “the most comprehensive, cross- agency action plan for a chemical of concern ever undertaken by the Agency.” The Action Plan consists of 23 priority action items with the majority identified as short-term or generally taking place or expected to be completed in the next two years.

As the spotlight continues to focus on the City of Flint and its efforts in response to its public health crisis four years ago, water utilities seeking to avoid similar liability (and notoriety) should study Flint as a veritable textbook on potential liability under the federal Safe Drinking Water Act (SDWA), the US Constitution, and state law. Part 1 of this series noted that a spate of civil lawsuits and criminal charges were filed in the aftermath of Flint. These cases are still unfolding in the courts.

The Administration is considering substantial changes to the current regulatory approach to reducing exposure to lead in drinking water. The US EPA (EPA) is assessing long-term revisions to the Lead and Copper Rule (LC Rule), a Safe Drinking Water Act (SDWA) regulation that seeks to protect public health by minimizing lead and copper in drinking water, primarily through corrosion control measures. Lead contamination in drinking water has been the subject of national scrutiny in the aftermath of the public health crisis in Flint, Michigan, where high levels of lead leached from aging pipes into the city’s drinking water after the city switched its source of drinking water to the Flint River, the quality of which was more corrosive than the prior source. Congress eventually banned lead pipes in new construction with amendments to the SDWA in 1986, but in a 2016 survey, the American Water Works Association estimated that 6 million lead-containing service lines continue to distribute drinking water to 15-22 million people in the United States. As state and local governments nationwide confront similar challenges, EPA appears poised to address the legacy of lead infrastructure through updates to the LC Rule. In January 2018, EPA Administrator Scott Pruitt pledged to update the LC Rule as part of his “war on lead” in drinking water.