Showing 1561-1575 of 1924
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US EPA changes PFAS rule after signing
Policy
6 Aug 2020
The US EPA is facing backlash over the way it finalized a rule that requires companies to notify the agency 90 days before making or importing products containing certain long-chain PFAS.
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Goodbye to some PFAS in food packaging
News
5 Aug 2020 | C&EN
Chemical manufacturers are planning to gradually ramp down sales of certain short-chain PFAS used as grease-proofing agents on fast food wrappers, take-out containers, and other paper-based food packaging, the FDA announced July 31.
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Parental exposure to perfluorobutane sulfonate disturbs the transfer of maternal transcripts and offspring embryonic development in zebrafish
Science
4 Aug 2020 | Chemosphere
Development and growth of embryos were harmed by parental PFBS exposure: higher mortality, slower heart rate, reduced body weight, and neurobehavioral disorders in zebrafish, a human model species.
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Transport of Legacy Perfluoroalkyl Substances and the Replacement Compound HFPO-DA through the Atlantic Gateway to the Arctic Ocean—Is the Arctic a Sink or a Source?
Science
4 Aug 2020 | ES&T
Air and water currents contribute to the influx of various PFAS into and out of the Arctic.
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Uptake and accumulation of per- and polyfluoroalkyl substances in plants
Science
4 Aug 2020 | Chemosphere
A review of the current science behind PFAS in a variety of edible plants.
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A profile analysis with suspect screening of per- and polyfluoroalkyl substances (PFASs) in firefighting foam impacted waters in Okinawa, Japan
Science
28 Jul 2020 | Water Res.
Drinking water treatment processes were found to form PFOS from their precursors.
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Serum Levels of Perfluoroalkyl Substances (PFAS) in Adolescents and Young Adults Exposed to Contaminated Drinking Water in the Veneto Region, Italy: A Cross-Sectional Study Based on a Health Surveillance Program
Science
28 Jul 2020 | Environ Health Perspect
Serum PFOA concentrations were high relative to concentrations in populations with background residential exposures only.
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Measurement of Novel, Drinking Water-Associated PFAS in Blood from Adults and Children in Wilmington, North Carolina
Science
28 Jul 2020 | Environ. Health Perspect.
Poorly understood PFAS were found to be released in the Cape Fear River and detected in blood samples from nearby communities.
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Toxic ‘forever’ chemicals pose risks to Rhode Islanders
News
27 Jul 2020 | ecoRI News
PFAS are in a significant portion of the state’s drinking water. More than 40 percent of the schools tested had levels above the new recommended standard of 20 ppt.
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With ‘trepidation,’ Michigan settles Wurtsmith PFAS cleanup dispute
News
26 Jul 2020 | MLive
A major bone of contention has been around the Air Force’s reluctance to comply with a low, 12 ppt state cleanup threshold for PFOS at the point where contaminated groundwater vents to surface water bodies.
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CFPUA starts daily PFAS monitoring after Chemours releases increased sediment into Cape Fear River
News
23 Jul 2020 | WECT News
In connection with construction, an increase in the quantity of sediments being carried to the River was observed. The construction has been ceased, pending further review, to determine if this has resulted in an increase in PFAS levels.
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Influence of soil on the uptake of perfluoroalkyl acids by lettuce: A comparison between a hydroponic study and a field study
Science
22 Jul 2020 | Chemosphere
Short-chain PFAS was found to be absorbed by lettuce plants readily.
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Oscoda residents, Kildee demand action on PFAS cleanup
News
22 Jul 2020 | The Alpena News
In Oscoda, the chemicals come from firefighting foam used for decades by the U.S. Air Force at the Wurtsmith Air Force Base and have made their way into groundwater and nearby waterways. Advocates have been calling on the Air Force to clean up PFAS contamination for at least a decade.
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Cooking methods affect the intake of per- and polyfluoroalkyl substances (PFASs) from grass carp
Science
22 Jul 2020 | Ecotoxicol. Environ. Saf.
The effects of various cooking methods (boiling, steaming, grilling, and frying) on the levels of PFASs in fish muscle and the intake of PFASs were explored.
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Per- and polyfluoroalkyl substances in ducks and the relationship with concentrations in water, sediment, and soil
Science
22 Jul 2020 | Environ. Toxicol. Chem.
Elevated PFOS and PFOS+PFHxS concentrations in ducks were observed near local point-sources, but also at wetlands with no known point-sources of contamination.