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Occurrence and risk of chlorinated polyfluoroalkyl ether sulfonic acids (Cl-PFESAs) in seafood from markets in Beijing, China.
Sci Total Environ. 2020 Jul 15; 726:138538.ST

Abstract

In recent years, chlorinated polyfluoroalkyl ether sulfonic acid (Cl-PFESA, trade name: F-53B), one of the alternatives to perfluorooctane sulfonate (PFOS), has been widely detected in environmental matrices and organisms in China. However, sufficient information regarding its presence in seafood is not available. Therefore, we investigated the levels of Cl-PFESAs and legacy per- and polyfluoroalkyl substances (PFASs) in 276 seafood samples collected from markets in Beijing and assessed the human exposure risks of Cl-PFESAs through seafood intake. C8 Cl-PFESA was the dominant congener with significantly higher concentrations (<LOD-1.27 ng/g) than those of C10 Cl-PFESA (<LOD-0.109 ng/g) and C12 Cl-PFESA (<LOD-0.141 ng/g). The mean concentrations of ∑Cl-PFESAs (0.013-0.412 ng/g) contributed to 0.6-11.4% for ∑PFASs in different seafood species. Generally, the concentrations of C8 Cl-PFESA were lower than those of PFOS. However, their concentration trends in four categories of seafood were consistent, with the highest mean concentrations being in shrimps (0.279 and 0.749 ng/g), followed by crabs (0.275 and 0.714 ng/g), fish (0.141 and 0.317 ng/g), and mollusks (0.032 and 0.135 ng/g). A significantly positive correlation was observed between the concentrations of C8 Cl-PFESA and PFOS in all seafood samples (p < 0.001), indicating that they have similar sources and undergo similar environmental processes. The average daily intake of C8 Cl-PFESA (0.067 ng/kg-bw/day) for residents in Beijing via the consumption of seafood was lower than that of PFOS (0.167 ng/kg-bw/day) and far below the most stringent health-based reference dose of PFOS (1.86 ng/kg-bw/day), which implies a low risk for Beijing residents exposed to C8 Cl-PFESA by ingestion of seafood. However, considering the omnipresence of Cl-PFESAs and their stronger bioaccumulation than PFOS, further study on the potential environmental and human exposure risks of Cl-PFESAs is required.

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Authors+Show Affiliations

Jin Q
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
Shi Y
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
Cai Y
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China; Institute of Environment and Health, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310000, China. Electronic address: caiyaqi@rcees.ac.cn.

MeSH

Alkanesulfonic AcidsAnimalsBeijingChinaEtherEthersFluorocarbonsHumansSeafoodSulfonic Acids

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32315852

Citation

Jin, Qi, et al. "Occurrence and Risk of Chlorinated Polyfluoroalkyl Ether Sulfonic Acids (Cl-PFESAs) in Seafood From Markets in Beijing, China." The Science of the Total Environment, vol. 726, 2020, p. 138538.
Jin Q, Shi Y, Cai Y. Occurrence and risk of chlorinated polyfluoroalkyl ether sulfonic acids (Cl-PFESAs) in seafood from markets in Beijing, China. Sci Total Environ. 2020;726:138538.
Jin, Q., Shi, Y., & Cai, Y. (2020). Occurrence and risk of chlorinated polyfluoroalkyl ether sulfonic acids (Cl-PFESAs) in seafood from markets in Beijing, China. The Science of the Total Environment, 726, 138538. https://doi.org/10.1016/j.scitotenv.2020.138538
Jin Q, Shi Y, Cai Y. Occurrence and Risk of Chlorinated Polyfluoroalkyl Ether Sulfonic Acids (Cl-PFESAs) in Seafood From Markets in Beijing, China. Sci Total Environ. 2020 Jul 15;726:138538. PubMed PMID: 32315852.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Occurrence and risk of chlorinated polyfluoroalkyl ether sulfonic acids (Cl-PFESAs) in seafood from markets in Beijing, China. AU - Jin,Qi, AU - Shi,Yali, AU - Cai,Yaqi, Y1 - 2020/04/08/ PY - 2020/02/17/received PY - 2020/03/30/revised PY - 2020/04/05/accepted PY - 2020/4/22/pubmed PY - 2020/7/11/medline PY - 2020/4/22/entrez KW - Beijing KW - Cl-PFESAs KW - Human exposure risk KW - Seafood SP - 138538 EP - 138538 JF - The Science of the total environment JO - Sci Total Environ VL - 726 N2 - In recent years, chlorinated polyfluoroalkyl ether sulfonic acid (Cl-PFESA, trade name: F-53B), one of the alternatives to perfluorooctane sulfonate (PFOS), has been widely detected in environmental matrices and organisms in China. However, sufficient information regarding its presence in seafood is not available. Therefore, we investigated the levels of Cl-PFESAs and legacy per- and polyfluoroalkyl substances (PFASs) in 276 seafood samples collected from markets in Beijing and assessed the human exposure risks of Cl-PFESAs through seafood intake. C8 Cl-PFESA was the dominant congener with significantly higher concentrations (<LOD-1.27 ng/g) than those of C10 Cl-PFESA (<LOD-0.109 ng/g) and C12 Cl-PFESA (<LOD-0.141 ng/g). The mean concentrations of ∑Cl-PFESAs (0.013-0.412 ng/g) contributed to 0.6-11.4% for ∑PFASs in different seafood species. Generally, the concentrations of C8 Cl-PFESA were lower than those of PFOS. However, their concentration trends in four categories of seafood were consistent, with the highest mean concentrations being in shrimps (0.279 and 0.749 ng/g), followed by crabs (0.275 and 0.714 ng/g), fish (0.141 and 0.317 ng/g), and mollusks (0.032 and 0.135 ng/g). A significantly positive correlation was observed between the concentrations of C8 Cl-PFESA and PFOS in all seafood samples (p < 0.001), indicating that they have similar sources and undergo similar environmental processes. The average daily intake of C8 Cl-PFESA (0.067 ng/kg-bw/day) for residents in Beijing via the consumption of seafood was lower than that of PFOS (0.167 ng/kg-bw/day) and far below the most stringent health-based reference dose of PFOS (1.86 ng/kg-bw/day), which implies a low risk for Beijing residents exposed to C8 Cl-PFESA by ingestion of seafood. However, considering the omnipresence of Cl-PFESAs and their stronger bioaccumulation than PFOS, further study on the potential environmental and human exposure risks of Cl-PFESAs is required. SN - 1879-1026 UR - https://www.unboundmedicine.com/medline/citation/32315852/Occurrence_and_risk_of_chlorinated_polyfluoroalkyl_ether_sulfonic_acids__Cl_PFESAs__in_seafood_from_markets_in_Beijing_China_ DB - PRIME DP - Unbound Medicine ER -