4.7 Article

PFAS soil concentrations surrounding a hazardous waste incinerator in East Liverpool, Ohio, an environmental justice community

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ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 30, 期 33, 页码 80643-80654

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SPRINGER HEIDELBERG
DOI: 10.1007/s11356-023-27880-8

关键词

PFAS; PFAS incineration; Environmental justice; AFFF

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Per- and polyfluoroalkyl substances (PFAS) are widely used synthetic compounds that pose challenges in terms of disposal due to their ubiquity, persistence, bioaccumulative nature, and toxicity. Incineration is one disposal method, but research on the safety and effectiveness of PFAS incineration is lacking. The distribution and concentration of PFAS in soil samples surrounding an incinerator in East Liverpool, Ohio were examined in a pilot study. The results showed measurable amounts of various PFAS in all soil samples, highlighting the need for further research on PFAS disposal to improve environmental and health equity.
Per- and polyfluoroalkyl substances (PFAS) are a class of synthetic compounds widely used in industrial and consumer products. While PFAS provide product durability, these chemicals are ubiquitous, persistent, bioaccumulative, and toxic. These characteristics make the ultimate disposal of PFAS a challenge. One current disposal method is incineration; however, little research has been conducted on the safety and effectiveness of PFAS incineration. The characteristics of communities with hazardous waste incinerators that have received PFAS shipments indicate that more individuals with lower incomes and individuals with less education than the US average are at higher risk of exposure, which presents important environmental justice and health equity concerns of PFAS incineration. Situated in eastern Ohio, East Liverpool is an Appalachian community that is home to a large hazardous-waste incinerator, operated by Heritage WTI, that began accepting PFAS in 2019. Residents are concerned that the disposal lacks the research necessary to assure safety for the residents. Due to both community interest and data gaps regarding PFAS incineration, our research team conducted a pilot study to examine the distribution and concentration of PFAS in soil samples surrounding the incinerator. All 35 soil samples had measurable amounts of PFAS including perfluorobutanesulfonic acid (PFBS), perfluorooctanesulfonic acid (PFOS), perfluorooctanoic acid (PFOA), and hexafluoropropylene oxide dimer acid (HFPO-DA)/GenX. PFOS was measured in the majority of soil samples (97%) with a range of 50-8,300 ng/kg. PFOA was measured in 94% of soil samples with a range of 51 ng/kg to 1300 ng/kg. HFPO-DA/GenX was measurable in 12 soil samples with concentrations of ranging from 150 ng/kg to 1500 ng/kg. Further research on PFAS disposal will advance knowledge and action related to regulatory requirements and exposure prevention, ultimately improving individual and community protections and health equity.

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