Showing 1156-1170 of 1831
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Toxic, long-lasting contaminants detected in people living in northern Canada
News
13 Jun 2021 | The Conversation
Levels of PFNA were twice as high among northerners than observed in the general Canadian population.
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Legislators reconsider bill to restrict PFAS-containing products within US military
Policy
9 Jun 2021
The PFAS Free Military Purchasing Act looks to bar the military’s purchase or sale of a broad range of consumer goods containing PFAS.
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Legacy and emerging per- and polyfluoroalkyl substances (PFAS) in sediments from the East China Sea and the Yellow Sea: Occurrence, source apportionment and environmental risk assessment
Science
9 Jun 2021 | Chemosphere
PFOA was predominant and HFPO-DA concentration was comparable to PFOS with PBSA and HFPO-DA found for the first time in sediment.
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Investigating the Uptake and Fate of Poly- and Perfluoroalkylated Substances (PFAS) in Sea Ice Using an Experimental Sea Ice Chamber
Science
9 Jun 2021 | ES&T
PFAS distribution is strongly governed by the presence and dynamics of brine (high salinity water) within the sea ice.
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Air monitoring with passive samplers for perfluoroalkane substances in developing countries (2017-2019)
Science
9 Jun 2021 | Chemosphere
41 developing countries were sampled, with Zambia showing exceptionally high levels of PFAS.
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Perfluoroalkyl Substances in Plasma of Smallmouth Bass from the Chesapeake Bay Watershed
Science
9 Jun 2021 | Int J Environ Res Public Health
PFUnA and PFDoA concentrations were higher in males than females in a New England population with potentially both agricultural and developed land use associated with exposure.
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Determination of perfluorooctane sulphonate and perfluorooctanoic acid in seafood and water from Map Ta Phut Industrial Estate area, Thailand
Science
9 Jun 2021 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
PFOS levels exceeded the total tolerable weekly intake value for PFAS mixtures in a Thai population.
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It’s literally raining PFAS around the Great Lakes, say researchers
News
8 Jun 2021 | MLive
Rain that fell on Ohio this spring contained a surprisingly high amount of toxic “forever chemicals” known as PFAS, according to raw data from a binational Great Lakes monitoring program that tracks airborne pollution.
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Assessment of exposure to perfluoroalkyl substances (PFASs) in dogs by fur analysis
Science
2 Jun 2021 | Environ Pollut
Six PFAS were detected in canine fur with PFOA and PFBuA at the highest levels.
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Perfluoroalkyl contaminants in eggs from backyard chickens reared in Italy
Science
1 Jun 2021 | Food Chem.
Contamination was found to be higher in eggs from backyard chickens than in eggs from commercial laying hens and contribute to 29% of tolerable weekly intake in children.
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Concentrations and human exposure assessment of per and polyfluoroalkyl substances in farmed marine shellfish in South Africa
Science
1 Jun 2021 | Chemosphere
Short-chain PFAS were more prevalent than long-chain PFAS in farmed shellfish.
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Levels, distributions, and sources of legacy and novel per- and perfluoroalkyl substances (PFAS) in the topsoil of Tianjin, China
Science
1 Jun 2021 | J Env. Sci.
PFOA, 6:2 Cl-PFESA, and PFOS were the main PFAS contaminants in the Chinese topsoil.
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Dry-wet and freeze-thaw cycles enhance PFOA leaching from subsurface soils
Science
1 Jun 2021 | J Haz. Mat. L
Dry-wet and freeze-thaw cycles mobilized PFOA in subsurface soil.
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Are there risks induced by novel and legacy poly- and perfluoroalkyl substances in coastal aquaculture base in South China?
Science
1 Jun 2021 | Sci Total Environ
F-53B was found frequently and has a relatively high concentration in seawater in coastal China.
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Heterogeneous photooxidation of 6:2 polyfluoroalkyl phosphoric acid diester on dust mineral components under simulated sunlight and the influence of relative humidity and oxygen
Science
1 Jun 2021 | Chemosphere
DiPAP may account for additional PFCA sources in both indoor and outdoor environments and the heterogeneous degradation pathways were different from those of volatile fluorotelomer alcohols.