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• [IATP Blog] Maine’s plan to address “forever chemicals” polluting farms, water and food

  News

  13 Dec 2019

  Virtually all sludge has tested positive for PFOA and/or PFOS, generally two to three times the State’s screening level of 50 ppt, with some results as high as 20 times this level.

• How PFAS negotiations fell apart

  News

  13 Dec 2019 | E&E News

  Before Democrats managed to secure provisions to address a class of toxic chemicals in an annual defense measure, negotiations fell apart at the hands of their own members... "The American Chemistry Council probably has something to do with it," Rep. Jared Huffman (D-Calif.) told reporters.

• DuPont made billions polluting tap water with PFAS; will now make more cleaning it up

  News

  12 Dec 2019 | EWG News

  DuPont announced on Wednesday it will purchase Desalitech Ltd., a manufacturer of closed-circuit reverse osmosis technology. Reverse osmosis is one of the most expensive water filter technologies on the market, but it can remove many fluorinated chemicals, known as PFAS.

• [Peer-review] Draft NTP Technical Reports on Toxicology and Carcinogenesis Studies of HMB and PFOA

  Events

  12 Dec 2019

  NTP is holding a peer-review of draft Technical Reports on toxicology and carcinogenesis studies of HMB and PFOA and will hold a webcast on Dec. 12, 2019 at 10 AM Eastern (Registration is required). Written comments are due on Nov. 20, 2019. Oral comment registration deadline is Dec. 3, 2019.

• Altered expression and activity of phase I and II biotransformation enzymes in human liver cells by perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS)

  Science

  10 Dec 2019 | Toxicology

  PFOA and PFOS found to inhibit the body's ability to breakdown and absorb nutrients.

• Indoor exposure to per- and polyfluoroalkyl substances (PFAS) in the childcare environment

  Science

  10 Dec 2019 | Environ. Poll.

  Dust samples were found to contain high concentrations of neutral FTOHs while sleeping mats contained FOSAs and FOSEs.

• Subacute dermal toxicity of perfluoroalkyl carboxylic acids: comparison with different carbon-chain lengths in human skin equivalents and systemic effects of perfluoroheptanoic acid in Sprague Dawley rats

  Science

  10 Dec 2019 | Arch. Toxicol.

  PFCA found to have adverse effects on major organs with systemic dermal exposure in high concentrations.

• Bioaccumulation and human exposure of perfluoroalkyl acids (PFAAs) in vegetables from the largest vegetable production base of China

  Science

  10 Dec 2019 | Environ Int

  PFAS found to bioaccumulate in vegetables leading to increased amounts in preschool-aged children.

• High trans-placental transfer of perfluoroalkyl substances alternatives in the matched maternal-cord blood serum: Evidence from a birth cohort study

  Science

  9 Dec 2019 | Sci. of the Tot. Env.

  Short-chain PFAS found to cross the placental barrier at higher rates than long-chain PFAS.

• Effect of Sample Storage on the Quantitative Determination of 29 PFAS: Observation of Analyte Interconversions during Storage

  Science

  4 Dec 2019 | Environ Sci Technol.

  Scientists studied the stability of PFAS in water and linked it to exposure processes.

• Perfluoro-octanoic acid impairs sperm motility through the alteration of plasma membrane

  Science

  4 Dec 2019 | J. Endocrinol. Invest.

  PFOA exposure found to limit the mobility of sperm.

• Inflammatory bowel disease and biomarkers of gut inflammation and permeability in a community with high exposure to perfluoroalkyl substances through drinking water

  Science

  25 Nov 2019 | Environ. Res.

  PFAS exposure from 1985-1994 thought to be linked with a high risk of Crohn's disease.

• Perfluoroalkyl substances and severity of nonalcoholic fatty liver in Children: An untargeted metabolomics approach

  Science

  25 Nov 2019 | Environ Int

  High PFAS exposure was associated with impaired liver function in children.

• Perfluoroalkyl substances, airways infections, allergy and asthma related health outcomes - implications of gender, exposure period and study design

  Science

  25 Nov 2019 | Environ Int

  PFAS was found to suppress the immune system and increase the risk of lower respiratory tract infection.

• Perfluoropolyether carboxylic acids (novel alternatives to PFOA) impair zebrafish posterior swim bladder development via thyroid hormone disruption

  Science

  25 Nov 2019 | Environ Int

  PFOA alternatives found to cause developmental and hormonal disruption in a human model organism.