Showing 4126-4140 of 5190
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State investigating ‘very startling’ levels of PFAS chemicals on central Maine dairy farm
News
24 Jul 2020 | Portland Press Herald
State officials said the farm was sending a relatively small amount of milk to a processor that was blending it with milk from other farms. They are looking for sources of the contamination, potentially including sludge used as fertilizer or firefighting foam.
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NY legislators vote to ban PFAS chemicals in food packaging
News
24 Jul 2020 | WENY News
If Governor Cuomo signs the measure, PFAS will no longer be allowed as a coating on wrappers, cardboard, plastic containers, or other materials found in some fast food and grocery store establishments.
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[Press Release] Upcoming NY State Department of Health vote on PFAS in drinking water to take place while DOH stalls on disclosing critical public comments
News
23 Jul 2020 | Earthjustice
The public and advocates are left in the dark about the basis for changes to the proposal, on which a vote will take place next week.
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New Michigan PFAS rules set to take effect Aug. 3, among nation’s strictest
News
23 Jul 2020 | The Detroit News
The rules set maximum contaminant levels at 6 ppt for PFNA; 8 ppt for PFOA; 400,000 ppt for PFHxA; 16 ppt for PFOS; 51 ppt for PFHxS; 420 ppt for PFBS and 370 ppt for HFPO-DA or Gen X.
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PFAS in German children: Human biomonitoring data highlight urgent need for group restriction
News
23 Jul 2020 | CHEM Trust
One-fifth of the participants had levels of the PFAS chemical PFOA in their blood that exceeded the HBM-I-value, which indicates an exposure at which harmful effects cannot be excluded.
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Study: Novel PFAS comprise 24% of those measured in blood of Wilmington, N.C. residents
News
23 Jul 2020 | NC State News
The fluoroethers – Nafion byproduct 2, PFO4DA and PFO5DoA – these are the first measurements of these chemicals in humans. Two other fluoroethers, PFO3OA and NVHOS, were infrequently detected. Nearly all samples had at least one fluoroether present, but GenX was not found in any samples.
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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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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.
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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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House Democrats add some 'forever chemicals' provisions to defense bill after spiking major amendment
Policy
21 Jul 2020
House Democrats added several amendments aiming to regulate a class of cancer-linked chemicals called PFAS to a defense spending bill Monday.
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Disposal of products and materials containing per- and polyfluoroalkyl substances (PFAS): A cyclical problem
Science
21 Jul 2020 | Chemosphere
PFAS-containing wastes create repeated cycles of contamination in all disposal pathways: landfilling, wastewater treatment, and incineration.
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Interactions of Perfluorooctanesulfonate and 6:2 Chlorinated Polyfluorinated Ether Sulfonate with Human Serum Albumin: A Comparative Study
Science
21 Jul 2020 | Chem Res Toxicol
6:2 Cl-PFESA was found to have a stronger binding affinity human blood cells than PFOS.
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Recent Developments of PFAS-Detecting Sensors and Future Direction: A Review
Science
21 Jul 2020 | Micromachines
This paper presents a comprehensive review of the recent developments in PFAS-detecting sensors, and why the literature on determination methods has shifted in this direction compared to the traditional methods used.