Showing 1246-1260 of 1733
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OEHHA Releases Long-Awaited Proposed Public Health Goals for PFOA and PFOS
News
23 Jul 2021 | JD Surpa
The draft goals identified by OEHHA are 0.007 parts per trillion (ppt) for PFOA to address concerns based on kidney cancer in humans associated with exposure to PFOA and 1 ppt for PFOS to address concerns related to liver and pancreatic tumors in laboratory animals associated with exposure to PFOS.
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Thyroid Disruptors: Extrathyroidal Sites of Chemical Action and Neurodevelopmental Outcome-an Examination Using Triclosan and Perfluorohexane Sulfonate (PFHxS)
Science
21 Jul 2021 | Toxicol Sci
Lifelong exposure to PFAS could affect both the thyroid hormone status and the immune defense of perch in the wild.
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Spatial and Temporal Patterns of PFAS Occurrence at a Wastewater Beneficial Reuse Site in Central Pennsylvania
Science
20 Jul 2021 | ASABE
PFAS present in the crop tissue suggests that PFAS may enter the food chain once those crops are fed to livestock.
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Perfluoroalkyl substances (PFASs) in leachate, fly ash, and bottom ash from waste incineration plants: Implications for the environmental release of PFAS
Science
19 Jul 2021 | Sci Total Environ
PFBA and PFBS were associated with leachate contamination while PFOS was found to travel in fly ash readily.
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Time for EPA to come clean on PFAS
News
14 Jul 2021 | The Hill
Corporate coverups allowed PFAS to flood our environment. To stem the damage, we need to turn off the tap.
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LC-HRMS screening of per- and polyfluorinated alkyl substances (PFAS) in impregnated paper samples and contaminated soils
Science
13 Jul 2021 | Anal Bioanal Chem
PFAS in paper sludge was linked to contamination in soils.
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Perfluoroalkyl acids on suspended particles: Significant transport pathways in surface runoff, surface waters, and subsurface soils
Science
13 Jul 2021 | J Hazard Mater .
Suspended particles, often an overlooked vector for PFAAs, can be a dominant pathway for the transport of PFAAs in environments.
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Bioaccumulation, Biodistribution, Toxicology and Biomonitoring of Organofluorine Compounds in Aquatic Organisms
Science
13 Jul 2021 | Int J Mol Sci
The potential use of species as bioindicators for biomonitoring studies is discussed and data is summarized regarding the number of monitored PFAS and their total concentration as a function of the investigated species.
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EPA Identifies Drinking Water Contaminants for Potential Regulation
Policy
12 Jul 2021
Today, the U.S. Environmental Protection Agency (EPA) announced Draft Contaminant Candidate List 5 (CCL 5), which provides the latest list of drinking water contaminants that are known or anticipated to occur in public water systems and are not currently subject to EPA drinking water regulations.
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The True Cost of PFAS and the Benefits of Acting Now
Science
12 Jul 2021 | Environmental Science & Technology
This review of the true costs of PFAS highlights the need to act now to ensure that exposures are capped at current levels by reducing the production and use of PFAS.
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A long road to recovery for Lake Superior fish
News
12 Jul 2021 | Environmental Health News
The Jackfish Bay white sucker population has nearly recovered, but persistent chemicals remain a problem throughout the Great Lakes.
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Ship navigation disturbance alters multiphase distribution of perfluoroalkyl acids and increases their ecological risk in waterways
Science
6 Jul 2021 | Sci Total Environ
The present study provides crucial information for simulating the environmental behaviors of PFAAs under the influence of ship navigation and is significant for the integration of inland water transport development and aquatic environmental protection.
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PFOS in U.S. Ambient Surface Waters: A Review of Occurrence in Aquatic Environments and Comparison to Global Concentrations
Science
6 Jul 2021 | Environ Toxicol Chem
This review summarizes currently available literature on PFOS occurrence in surface waters across the U.S. and highlights existing data gaps.
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Hair determination of Per- and polyfluoroalkyl substances (PFAS) in the Italian population
Science
6 Jul 2021 | Toxicology
The presence and prevalence of PFAS in hair were found to be correlated to geographic location.
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Finding essentiality feasible: common questions and misinterpretations concerning the "essential-use" concept
Science
5 Jul 2021 | Environ Sci Process Impacts
Common questions and misinterpretations regarding the practical application of the essential-use concept are reviewed, and answers and further clarifications are provided.