Showing 631-645 of 733
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Multi-year atmospheric concentrations of per- and polyfluoroalkyl substances (PFASs) at a background site in central Europe
Science
2 Jun 2020 | Env. Poll.
Significant increases in air concentration were found for PFHpA, PFTrDA, PFDS, MeFOSA, and EtFOSA from 2012-2014.
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[Science Selection] PFAS in Food Packaging: A Hot, Greasy Exposure
Science
2 Jun 2020 | EHP
Recent scientific publications regarding PFAS in food contact materials are discussed.
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Determination of transformation products of per- and polyfluoroalkyl substances at trace levels in agricultural plants
Science
2 Jun 2020 | J. Chrom A
Plant samples from contaminated fields contained intermediate transformation products with the highest concentrations in the leafy portions of the plant.
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With $3 billion PFAS cleanup price tag looming, Pentagon looks to industry for ideas
News
2 Jun 2020 | Phys.org
Staring down a $3 billion—and growing—tab to clean up water sources at military installations across the country that are contaminated with cancer-causing chemicals linked to firefighting foam, the Defense Department is now in discussions with private companies about potential cleanup solutions that might reduce the cost.
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Evidence of Air Dispersion: HFPO-DA and PFOA in Ohio and West Virginia Surface Water and Soil near a Fluoropolymer Production Facility
Science
2 Jun 2020 | Environ. Sci. Technol.
Downwind atmospheric transport of PFAS was found to expand the boundary of contaminated areas significantly.
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Estimating Environmental Hazard and Risks from Exposure to Per- and Polyfluoroalkyl Substances (PFAS): Outcome of a SETAC Focused Topic Meeting
Science
2 Jun 2020 | Environ. Toxicol. Chem.
A SETAC Focus Topic Meeting and workshop entitled Environmental Risk Assessment of PFAS convened 12-15 August 2019 in Durham, North Carolina, and brought together experts from around the globe to highlight recent advances in research pertinent to evaluating environmental and human health risks from exposures of PFAS.
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EPA failed to monitor GenX chemical for eight years
News
28 May 2020 | The Fayetteville Observer
The EPA’s regional office wasn’t told it was supposed to inspect the Chemours Fayetteville Works plant until the StarNews in Wilmington reported there was GenX in the Cape Fear River.
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PFAS pollution from Chemours plant distributed by air
News
28 May 2020 | C&EN
Study finds PFOA and GenX-related chemical are widespread downwind of West Virginia facility.
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Removal of per- and polyfluoroalkyl substances (PFASs) in a full-scale drinking water treatment plant long-term performance of granular activated carbon (GAC) and influence of flow-rate
Science
27 May 2020 | Water Res.
The results and methods presented in this study give drinking water providers valuable tools for the operation of a full-scale treatment train for the removal of PFAS in contaminated raw water.
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Perfluoroalkyl Substances Exposure and Hearing Impairment in US Adults
Science
27 May 2020 | Environ. Res.
PFNA and PFDA were associated with high-frequency hearing impairment, while PFOS and PFOA were not.
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Screening new persistent and bioaccumulative organics in China's inventory of industrial chemicals
Science
27 May 2020 | Environ. Sci. Technol.
Sixty-nine organofluorine compounds with three or more perfluorinated moieties, were found unique to the chemical Inventory of Existing Chemical Substances of China lists.
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Legacy and emerging per- and polyfluoroalkyl substances (PFASs) in the coastal environment of Korea: Occurrence, spatial distribution, and bioaccumulation potential
Science
27 May 2020 | Chemosphere
Seawater was dominated by short-chained PFASs as a prompt reflection of regulation, while the sediment and bivalves were dominated by long-chained PFASs.
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Understanding and Managing the Potential By‐Products of PFAS Destruction
Science
26 May 2020 | Ground. Mon. & Rem.
Based on the available technologies relevant to PFAS destruction, complex aqueous solutions containing high concentrations of PFAS have the potential to generate either known short-chain PFAAs or other secondary effects on water quality.
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Per- and polyfluoroalkyl substances (PFASs) in blood of captive Siberian tigers in China: Occurrence and association with biochemical parameters
Science
19 May 2020 | Env Poll
Ten PFASs were detected in the blood of captive Siberian tigers, including PFOS alternative 6:2 Cl-PFESA, primarily from the consumption of PFAS-contaminated meat.
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Perfluoroalkyl Substance Exposure Was Negatively Associated With Cortisone Levels in Pregnancy
Science
19 May 2020 | J Endocr Soc
Early pregnancy concentrations of maternal PFAS were inversely associated with late pregnancy cortisone levels, indicating potential endocrine disruption in highly exposed mothers.