Showing 2491-2505 of 3851
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Comparison of extraction methods for per- and polyfluoroalkyl substances (PFAS) in human serum and placenta samples-insights into extractable organic fluorine (EOF)
Science
22 Nov 2020 | Anal Bioanal Chem
Results showed that performance, in terms of recovery, differed between the extraction methods for different PFAS; different extraction methods resulted in different EOF concentrations indicating that the choice of extraction method is important for target PFAS and EOF analysis.
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Newly released data disclose Navy knew of toxic PFAS chemicals in groundwater at Grumman ‘fence line’ in 2016
News
21 Nov 2020 | Riverhead Local
The Navy had not previously disclosed the data on PFAS chemicals in samples taken at the fence line system dating back to December 2017 — and in one instance, September 2016.
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State: 193 discharge facilities report PFAS
News
20 Nov 2020 | Colorado Politcs
A map of discharge permit-holders mostly indicated a potential or actual presence of foam or other PFAS-containing material along the Front Range and pockets of the Western Slope.
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Well water throughout California contaminated with ‘forever chemicals’
News
19 Nov 2020 | CALmatters
Californians are largely left in the dark about the safety of their drinking water: Less than 9% of roughly 14,350 public drinking water wells in the state have been tested for PFOA and PFOS. State requirements have focused on areas considered vulnerable to contamination, such as near airports and landfills.
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Op-Ed: Dear Joe Biden: are you kidding me?
News
19 Nov 2020 | The Guardian
The president-elect has tapped a former DuPont consultant to join his Environmental Protection Agency transition board.
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Residential water wells test positive for PFAS pollution
News
18 Nov 2020 | Traverse City Record Eagle
The highest level found in East Bay Township neighborhood in Michigan was 1,300 ppt (PFOS, associated with firefighting foam). The state’s limit for that chemical in drinking water is 16 ppt.
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Associations between apolipoprotein B and selected perfluoroalkyl substances among diabetics and nondiabetics
Science
18 Nov 2020 | Env. Sci. & Poll. Res.
PFAS exposure was possibly found to be associated with endocrine disruption leading to diabetic symptoms.
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Uptake and translocation of multiresidue industrial and household contaminants in radish grown under controlled conditions.
Science
18 Nov 2020 | Chemosphere
PFAS were detected in all plant tissues and contained some of the highest bioaccumulation factors.
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Air-water interfacial adsorption coefficients for PFAS when present as a multi-component mixture
Science
17 Nov 2020 | J Contam Hydrol
Models found that PFAS mobility can be affected by the concentration and homogeneity of PFAS mixtures.
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An exploratory analysis of poly- and per-fluoroalkyl substances in pet food packaging from the United States
Science
17 Nov 2020 | Env. Tech. & Inn.
Precursors that were oxidized to PFBA were found in pet food and packaging.
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Exposure to PFAS and small for gestational age new-borns: A birth records study in Veneto Region (Italy)
Science
17 Nov 2020 | Environ Res
Living in a contaminated area by PFAS may play a role in affecting fetal growth and support the hypothesis that PFAS exposure is a risk factor for lower than average gestational growth.
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Identifying Risk Factors for Levels of Per- and Polyfluoroalkyl Substances (PFAS) in the Placenta in a High-Risk Pregnancy Cohort in North Carolina
Science
17 Nov 2020 | Environ Sci Technol
PFOS, PFHxS, PFHpS, and PFUnA were detected above the reporting limit in 99, 75, 55, and 49% of placentas, respectively.
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‘Forever chemicals’ found in Chesapeake seafood and Maryland drinking water
News
17 Nov 2020 | Bay Journal
States like New Jersey urged its anglers to limit consumption of recreationally caught fish with comparable PFOS levels to what was found in the Potomac River striped bass.
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Biotransformation of perfluoroalkyl acid precursors from various environmental systems: advances and perspectives
Science
17 Nov 2020 | Env. Poll.
Biotransformation of PFAA precursors mainly involves the cleavage of C–F bonds and non-fluorinated functional groups.
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Transcriptomic response of Gordonia sp. strain NB4-1Y when provided with 6:2 fluorotelomer sulfonamidoalkyl betaine or 6:2 fluorotelomer sulfonate as sole sulfur source
Science
17 Nov 2020 | Biodegradation
This work identifies genetic targets for further characterization and will inform studies aimed at evaluating the biodegradation potential of environmental samples through applied genomics.