Showing 601-615 of 649
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Treatment train approaches for the remediation of per- and polyfluoroalkyl substances (PFAS): A critical review
Science
7 Jan 2020 | J Haz. Mat.
After a review of 150 scientific articles, researchers propose a multistep process to maximize PFAS remediation.
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Trace level analyses of selected perfluoroalkyl acids in food: Method development and data generation
Science
26 Dec 2019 | Environ. Poll.
Methods for detecting PFAS in cow milk, butter, chicken egg, chicken meat, beef, and fish were developed and validated.
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Novel and legacy per- and polyfluoroalkyl substances in bald eagle eggs from the Great Lakes region
Science
26 Dec 2019 | Environ. Poll.
PFASs concentrations in bald eagles rivaled the total concentration of brominated flame retardants and included three new or emerging chemicals.
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Food Safety Concerns: Crop Breeding as a Potential Strategy to Address Issues Associated with the Recently Lowered Reference Doses for Perfluorooctanoic Acid and Perfluorooctane sulfonate
Science
26 Dec 2019 | J Agric Food Chem.
A review of agricultural crops that are not prone to accumulate PFOA and PFOS, including their specific identification and traits, to help decrease PFAS levels in humans.
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Ten Questions Concerning the Implications of Carpet on Indoor Chemistry and Microbiology
Science
26 Dec 2019 | Build. and Envi.
Carpets can act as reservoirs for uptake and re-emission of chemical and biological agents, such as PFAS.
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U.S. EPA releases new analytical method for PFAS in drinking water
Science
18 Dec 2019 | U.S. EPA
The new validated Method 533 focuses on short chain PFAS, those with carbon chain lengths of 4-12. Using it in combination with existing Method 537.1, both government and private laboratories can now effectively measure 29 PFAS in their drinking water.
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Biomonitoring of emerging contaminants, perfluoroalkyl and polyfluoroalkyl substances (PFAS), in New Jersey adults in 2016–2018
Science
5 Nov 2019 | Intern.Journal of Hygi. and Environ. Health
New Jersey adults had higher PFOA, PFNA, and PFHxS levels compared to other U.S. adults, on average.
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Electrochemical Oxidation of Hexafluoropropylene Oxide Dimer Acid (GenX): Mechanistic Insights and Efficient Treatment Train with Nanofiltration
Science
13 Oct 2019 | Environ. Sci. Technol.
Nanofiltration found to be a cost-effective treatment for water contaminated with GenX and other PFAS.
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Firefighting foam leaves toxic legacy in Californians’ drinking water
News
8 Oct 2019 | Los Angeles Times
California regulators say there is little they can do to speed up the military’s testing or cleanup efforts around its contaminated bases. Because the EPA has delayed setting a standard for cleaning up groundwater contamination, the military has avoided large-scale remediation costs.
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Efficient removal of GenX (HFPO-DA) and other perfluorinated ether acids from drinking and recycled waters using anion exchange resins
Science
30 Sep 2019 | Jour. of Haz. Mat.
Complete remediation of GenX achieved from drinking water.
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PFAS Experts Symposium: Statements on regulatory policy, chemistry and analytics, toxicology, transport/fate, and remediation for per‐ and polyfluoroalkyl substances (PFAS) contamination issues
Science
23 Sep 2019 | Remediation
Sixty leading experts provide a consensus statement regarding issues concerning PFAS.
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Evaluation of perfluoroalkyl substances in field-cultivated vegetables
Science
16 Sep 2019 | Chemosphere
Different PFAS accumulate in various types of vegetables.
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Analysis of hexafluoropropylene oxide-dimer acid (HFPO-DA) by Liquid Chromatography-Mass Spectrometry (LC-MS): Review of Current Approaches and Environmental Levels
Science
16 Sep 2019 | Trends Analyt. Chem.
China and Denmark found to have higher levels of GenX in water sources.
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Estimating the relative magnitudes of adsorption to solid-water and air/oil-water interfaces for per- and poly-fluoroalkyl substances
Science
9 Sep 2019 | Environ. Pollut.
The ability of PFAS to move throughout the environment was investigated.
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Assessing the contribution of atmospheric transport and tourism activities to the occurrence of perfluoroalkyl acids (PFAAs) in an Alpine Nature Reserve
Science
9 Sep 2019 | Sci. Total Environ.
Ski tourism is a significant source of PFAS contamination in a remote alpine lake in China