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• Pennsylvania to limit PFAS in drinking water

  Policy

  14 Jan 2023

  The new rule sets maximum contaminant levels in drinking water for two forms PFAS – in order to protect the public from potential adverse health effects linked to exposure to PFOA and PFOS.

• Occurrence and implications of per and polyfluoroalkyl substances in animal feeds used in laboratory toxicity testing

  Science

  10 Jan 2023 | Sci Total Environ

  PFAS contamination in animal feed was found to be pervasive, which is significant because unintended PFAS exposure in control animals from feed can significantly bias toxicity testing.

• Contact to perfluoroalkyl substances and thyroid health effects: A meta-analysis directing on pregnancy

  Science

  4 Jan 2023 | Chemosphere

  A systematic review found that PFOS, PFOA, and PFDA exposures were associated with thyroid disruption in pregnant women, who were more sensitive to PFAS exposure in the first six months of pregnancy.

• Emerging and legacy contaminants in common minke whale from the Barents sea

  Science

  4 Jan 2023 | Environ Pollut

  PFAS levels were higher in fetuses than male or female adult whales, and PFOS levels were higher than those detected from the same population eight years previously.

• Early-life exposure to per- and polyfluoroalkyl substances and infant gut microbial composition

  Science

  3 Jan 2023 | Environ. Epi.

  PFAS may increase infant gut microbiome diversity, which has been associated with an increased risk of infection.

• Per- and polyfluoroalkyl substances (PFAS) in breast milk and infant formula: A global issue

  Science

  3 Jan 2023 | Environ. Res.

  Breast milk concentrations of PFOA and PFOS often exceed children’s drinking water screening values, and limited information on infant formula means that families cannot generally know whether their infant’s exposures exceed safe levels.

• A systematic evidence map of chronic inflammation and immunosuppression related to per-and polyfluoroalkyl substance (PFAS) exposure

  Science

  30 Dec 2022 | Environ Res

  Several PFAS commonly found in the environment may induce immunosuppression and chronic inflammation, two key characteristics of carcinogens.

• Concentrations of Per- and Polyfluoroalkyl Substances in Paired Maternal Plasma and Human Milk in the New Hampshire Birth Cohort

  Science

  27 Dec 2022 | Environ Sci Technol

  Maternal PFOA and PFOS serum concentrations correlated with milk concentrations, and while milk concentrations were lower, about 6.5% of infants were estimated to be exposed to enough PFAS via milk to have long-term health impacts.

• Accumulation and transport of atmospherically deposited PFOA and PFOS in undisturbed soils downwind from a fluoropolymers factory

  Science

  19 Dec 2022 | Adv. Environ.

  PFAS contaminates soil in urban, industrialized areas through atmospheric deposition, where it can penetrate through the soil and pollute groundwater.

• Changes in perfluoroalkyl substances (PFAS) concentrations in human milk over the course of lactation: A study in Ronneby mother-child cohort

  Science

  15 Dec 2022 | Environ Res

  PFOA concentrations in breast milk decreased over the course of lactation by 12% per month, while PFOS and PFHxS showed small changes.

• Cross-sectional associations of maternal PFAS exposure on SARS-CoV-2 IgG antibody levels during pregnancy

  Science

  14 Dec 2022 | Environ Res

  PFAS, including short-chain emerging PFAS, act as immunosuppressants during pregnancy.

• Emerging Contaminants and New POPs (PFAS and HBCDD) in Endangered Southern Resident and Bigg’s (Transient) Killer Whales (Orcinus orca): In Utero Maternal Transfer and Pollution Management Implications

  Science

  13 Dec 2022 | ACS

  7:3-fluorotelomer carboxylic acid was the primary PFAS detected in killer whales' skeletal muscle and liver samples in the Northeastern Pacific Ocean, followed by PFOS, PFOA, and PFHxS.

• Perfluoroalkyl and polyfluoroalkyl substances in cord serum of newborns and their potential factors

  Science

  12 Dec 2022 | Chemosphere

  Maternal age, maternal education, diet, and nutritional supplementation during pregnancy can all affect umbilical serum exposure to PFAS.

• DuPont loses challenge over cancer victim’s $40m verdict in PFAS case

  News

  7 Dec 2022 | Reuters

  A federal appeals court has upheld a $40 million verdict for a cancer survivor who sued E.I. du Pont de Nemours and Co after years of exposure to a toxic chemical that it manufactured.

• Human serum poly- and perfluoroalkyl substance concentrations and their associations with gestational diabetes mellitus

  Science

  6 Dec 2022 | Environ Pollut

  Higher serum PFAS concentrations were associated with gestational diabetes incidence in pregnant women, especially for PFOA, PFNA, PFHxS, and 6:2 Cl-PFESA.