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In recent years, per- and polyfluoroalkyl substances or, as they are more commonly known, “PFAS,” have been the subject of high-profile litigation and heightened scrutiny by federal and state governments as concerns rise about the risks they present to human health and the environment. This trend is of significant interest to the specialty chemical industry, as well as to manufacturers, importers, and end-users of various chemical products, and treated equipment and parts, because PFAS embodies a vast array of synthetic chemicals—over 7,000, according to some sources—that may be unknowingly present in a company’s products or operations. Moreover, because PFAS regulation is a relatively recent phenomenon, many companies may not know or fully appreciate their nexus to PFAS.

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The term “phthalate” denotes a class of chemicals that have been used since the 1920s to improve the flexibility and durability of plastic. Accordingly, phthalates can be found in hundreds, if not thousands, of everyday products, ranging from food packaging to toys, medical devices, construction materials, textiles, cosmetics, soaps, and fragrances. Their ubiquity has led some to nickname them the “Everywhere Chemical.”

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Given the ubiquity of PFAS in commercial products, the expectation is that U.S. regulation of PFAS and liability risks associated with PFAS will be of interest to a wide array of Japanese businesses, including specialty chemical companies, industrial manufacturers, oil and gas operations, and trading companies. This below article briefly describes PFAS, the types of products that include it, the recent wave of litigation involving PFAS contamination, which has involved settlements approaching $1B, and developments in the federal and state regulation of these tenacious chemicals. We then discuss some specific scenarios in which these developments may affect Japanese corporations. The article ends with the recommendation that businesses that manufacture, distribute, use or dispose of PFAS or products containing PFAS should stay abreast of these developments and develop proactive strategies to minimize their potential liability.

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The Implications on EPCRA Reporting
The National Defense Authorization Act for Fiscal Year 2020 (NDAA) required that the U.S. Environmental Protection Agency (EPA) add certain poly- and perfluoroalkyl substances (PFAS) to the Toxic Release Inventory (TRI). EPA’s final rule adding these PFAS to the TRI toxic chemicals list took effect on June 22, 2020. This marks the implementation of another important facet of EPA’s February 2019 PFAS Action Plan, which announced the agency’s intent to address the human health and economic impacts from PFAS in the environment.

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On February 20, 2020, the U.S. Environmental Protection Agency (EPA or the Agency) took another step toward tightening its regulation of a wide range of several thousand synthetic chemicals known as perfluoroalkyl substances (PFAS) by issuing a pre-publication notice of a proposed regulatory determination to develop drinking water standards for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). PFOA and PFOS are among the two most-studied PFAS chemicals, and although they have been largely phased out in the United States, they remain a focus of regulatory attention due to their persistent, bioaccumulative and toxic properties, which also are shared by other PFAS. PFAS, as a whole, have come under increasing regulatory scrutiny due to recent high-profile litigation involving companies such as 3M and Wolverine Worldwide.

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The U.S. Environmental Protection Agency (EPA) has taken another step toward regulating perfluoroalkyl substances (PFAS). Specifically, on February 20, 2020, the EPA issued a pre-publication version of a Supplemental Proposed Rule that could affect a host of businesses that traditionally have not had to concern themselves with Toxic Substances Control Act (TSCA) compliance and enforcement. The proposal concerns a subcategory of PFAS known as “Long-Chain Perfluoroalkyl Carboxylates and Perfluoroalkyl Sulfonates” (collectively, LCPFAC) under TSCA. Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS), two of the most problematic PFAS substances, are among the chemicals that would be regulated.

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Per- and polyfluouroalykyl substances, or PFAS, are the subject of heightened scrutiny by federal and state governments as concerns rise about the tenacious chemicals’ impact on human health. PFAS are a group of several thousand synthetic chemical compounds resistant to heat, water, and oil that have become ubiquitous in modern life. The chemicals have been used since the 1940s to add water and stain repellency to fabric and carpet, to provide non-stick properties to food paper wrappings, and to make fire-fighting foams. They also are used in certain industrial operations, such as electroplating. While PFAS are useful for these and other purposes due to their hydrophobic and lipophobic properties, federal and state agencies have been scrutinizing the persistence of the chemical compounds, particularly in water sources.

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