Showing 1816-1830 of 1924
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Poly- and per-fluoroalkyl compounds in sediments of the Laurentian Great Lakes: Loadings, temporal trends, and sources determined by positive matrix factorization
Science
23 Sep 2019 | Environ. Poll.
The total load of 22 PFASs in Great Lakes sediments is estimated to be 245 ± 24 tonnes.
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3M to halt production of undisclosed chemicals at Decatur plant
News
19 Sep 2019 | to WHNT News 19
3M indicated in a statement to to WHNT News 19: "we have elected to temporarily idle certain manufacturing processes. We will resume these processes as soon as practicable.”
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Ecological risk assessment for perfluorooctanoic acid in soil using a species sensitivity approach
Science
17 Sep 2019 | Jour. Haz. Mat.
PFOA found to potentially be more toxic than bisphenol A, nonylphenol, and methylparaben.
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Hazardous PFAS chemicals in Georgia’s drinking water
Science
16 Sep 2019 | Journ of Sci. Policy & Gov.
Policy memo recommends the state of Georgia adopts a maximum contaminant level for PFAS of 27 ppt, in water.
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Evaluation of perfluoroalkyl substances in field-cultivated vegetables
Science
16 Sep 2019 | Chemosphere
Different PFAS accumulate in various types of vegetables.
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Analysis of hexafluoropropylene oxide-dimer acid (HFPO-DA) by Liquid Chromatography-Mass Spectrometry (LC-MS): Review of Current Approaches and Environmental Levels
Science
16 Sep 2019 | Trends Analyt. Chem.
China and Denmark found to have higher levels of GenX in water sources.
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Waste incineration of Polytetrafluoroethylene (PTFE) to evaluate potential formation of per- and Poly-Fluorinated Alkyl Substances (PFAS) in flue gas
Science
16 Sep 2019 | Chemosphere
PTFE was found to not be a significant source of short-chain PFAS during incineration.
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Colorado ramps up response to toxic “forever chemicals” after discovery of hot spots across metro Denver
News
13 Sep 2019 | The Denver Post
Groundwater tests over the past year have detected high levels of toxic “forever chemicals” across the Denver metro area, contamination that’s both wider and more severe than previously known.
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Partition coefficients of four perfluoroalkyl acid alternatives between bovine serum albumin (BSA) and water in comparison to ten classical perfluoroalkyl acids
Science
10 Sep 2019 | Environ Sci Process Impacts
Short-chain and long-chain PFAS found to have the same bioaccumulation behavior in a model species.
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An investigation into per- and polyfluoroalkyl substances (PFAS) in nineteen Australian wastewater treatment plants (WWTPs)
Science
10 Sep 2019 | Heliyon
6:2 FTS and other PFAS were found to dominate Australian wastewater.
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The short-chain perfluorinated compounds PFBS, PFHxS, PFBA and PFHxA, disrupt human mesenchymal stem cell self-renewal and adipogenic differentiation
Science
9 Sep 2019 | Joun. of Env. Sci.
Short-chain PFAS linked to developmental toxicity in human cell lines.
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Rapid removal of poly- and perfluorinated compounds from investigation- derived waste (IDW) in a pilot-scale plasma reactor
Science
9 Sep 2019 | Environ. Sci. Technol.
PFAS were removed with up to 99% efficiency in well water.
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Estimating the relative magnitudes of adsorption to solid-water and air/oil-water interfaces for per- and poly-fluoroalkyl substances
Science
9 Sep 2019 | Environ. Pollut.
The ability of PFAS to move throughout the environment was investigated.
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Derivation of a chronic reference dose for perfluorohexane sulfonate (PFHxS) for reproductive toxicity in mice
Science
9 Sep 2019 | Regul. Toxicol. Pharmacol.
The total daily safe intake amount of PFHxS found to be 4.0 ng/kg in humans.
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Assessing the contribution of atmospheric transport and tourism activities to the occurrence of perfluoroalkyl acids (PFAAs) in an Alpine Nature Reserve
Science
9 Sep 2019 | Sci. Total Environ.
Ski tourism is a significant source of PFAS contamination in a remote alpine lake in China