Showing 1111-1125 of 1564
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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.
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Unsaturated PFOS and Other PFASs in Human Serum and Drinking Water from an AFFF-Impacted Community.
Science
31 May 2021 | Environ Sci Technol
PFAS exposure levels decreased over time for all PFAS except PFPeS.
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‘Forever chemicals’ found in home fertilizer made from sewage sludge
News
28 May 2021 | The Guardian
Sewage sludge that wastewater treatment districts across America package and sell as home fertilizer contain alarming levels of toxic PFAS, also known as “forever chemicals”, a new report has revealed.
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High Levels of Legacy and Emerging Contaminants in Killer Whales (Orcinus orca) from Norway, 2015 to 2017
Science
26 May 2021 | Environ Toxicol Chem
PFAS was found in higher levels in adult orcas than offspring, suggesting less efficient maternal transfer.
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Blumenthal & Shaheen Introduce Legislation to Reduce PFAS Exposure Among Servicemembers & Military Families
Policy
25 May 2021
The PFAS Free Military Purchasing Act prohibits the Department of Defense from procuring, purchasing, and selling items that contain PFAS, dangerous and toxic chemicals commonly found in many everyday items like food service ware, carpets and rugs, clothing, and cosmetics.
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FluoroMatch 2.0-making automated and comprehensive non-targeted PFAS annotation a reality
Science
24 May 2021 | Anal Bioanal Chem
Using the newly developed FluoroMatch Flow 2 software, 1,000 individual PFAS were found in firefighting foam, including previously undescribed compounds.
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Vermont governor signs restrictions on PFAS 'forever chemicals'
News
20 May 2021 | The Hill
The bill bans the chemicals from firefighting foam, food packaging, and ski wax, as well as carpets, rugs, and stain-resistant treatments.
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Method Development and Validation of Per- and Polyfluoroalkyl Substances in Foods from FDA's Total Diet Study Program
Science
19 May 2021 | J Agric Food Chem
A PFAS detection method was validated for use in a wide variety of foods and found positive detects of PFOS in meat samples.
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New PFAS health risk levels cement gap between US federal agencies
Policy
18 May 2021
A division of the US Department of Health and Human Services has finalized health risk levels for four PFAS.
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Environmental Source Tracking of Per- and Polyfluoroalkyl Substances within a Forensic Context: Current and Future Techniques
Science
18 May 2021 | Environ Sci Technol .
In this perspective, we identify the current tools available and principal developments necessary to enable greater confidence in environmental source tracking to identify and apportion PFAS sources.
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Distribution, behaviour, bioavailability and remediation of poly- and per-fluoroalkyl substances (PFAS) in solid biowastes and biowaste-treated soil
Science
18 May 2021 | Environ Int
In this review, the distribution, bioavailability, and remediation of PFAS in soil receiving solid biowastes, which include biosolids, composts, and manure, are presented.
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PFAS Legislation In Vermont Some of Most Aggressive In U.S.
Policy
11 May 2021
On May 5, 2021, Vermont entered the final stages of enacting one of the most aggressive pieces of legislation related to PFAS in the country.
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PFAS and their substitutes in groundwater: Occurrence, transformation and remediation
Science
11 May 2021 | J Hazard Mater
GenX, F-53B, and OBS in groundwater treatment by UV/sulfite system and electrochemical oxidation proved effective.