Showing 91-105 of 171
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Occurrence of per- and polyfluoroalkyl substances (PFASs) in wastewater of major cities across China in 2014 and 2016
Science
4 May 2021 | Chemosphere
Population density and per capita gross domestic product have positive correlations with the concentration of PFBA, PFOA, PFHxA, and total-PFAS in wastewater.
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Flurry of PFAS actions in the first 100 days of the Biden Administration: The highlights
News
30 Apr 2021 | JD Supra
Many of these proposed actions could have far-reaching and significant implications for many industries and businesses.
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Perfluorooctane sulfonate decreases the performance of a sequencing batch reactor system and changes the sludge microbial community
Science
27 Apr 2021 | Chemosphere
Sequencing batch reactor wastewater treatment systems were found not to be suitable for PFOS removal, which should be addressed during pretreatment.
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‘Forever chemicals’ contaminate sites across North Dakota, including in Fargo
News
8 Mar 2021 | Inforum
The North Dakota Air National Guard Base in Fargo is one of several locations in North Dakota where PFAS have been found in groundwater and soil.
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Uptake and translocation of perfluoroalkyl acids by hydroponically grown lettuce and spinach exposed to spiked solution and treated wastewaters
Science
16 Feb 2021 | Sci Total Environ
Significant associations exist between PFAS exposure and individual components of Metabolic syndrome, mainly elevated blood pressure and fat in the blood.
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EPA Delivers Results on PFAS Action Plan
Policy
26 Jan 2021
The U.S. EPA announced a suite of actions from across the agency that will continue the significant progress the agency has made to implement the PFAS Action Plan—the most comprehensive cross-agency plan ever to address an emerging chemical of concern.
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Degradation and effect of 6:2 fluorotelomer alcohol in aerobic composting of sludge
Science
26 Jan 2021 | Biodegradation
6:2 FTOH was found to decrease the microbial richness and diversity of sludge compost.
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Organic contaminants of emerging concern in leachate of historic municipal landfills
Science
19 Jan 2021 | Env. Poll.
PFAS are present in 60-year-old landfill at levels comparable to the present day.
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Perfluorooctanesulfonic Acid Detection Using Molecularly Imprinted Polyaniline on a Paper Substrate
Science
4 Jan 2021 | Sensors (Basel)
A low-cost electrical paper sensor was developed to have excellent sensitivity and selectivity provides the potential for large-scale monitoring of wastewater.
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Legacy and emerging per- and polyfluoroalkyl substances (PFASs) in Australian biosolids
Science
22 Dec 2020 | Chemosphere
Using the population data supplied by the participating WWTPs, the mean annual estimated biosolids-associated PFAS contribution is 6 mg per person per year and ranged between 0.6 mg and 15 mg.
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Sorption behavior of 6:2 chlorinated polyfluorinated ether sulfonate (F-53B) on four kinds of nano-materials
Science
22 Dec 2020 | Sci Total Environ
F-53B was found to be removed most efficiently with surface modified nanoclay from electroplating wastewater.
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Removal and formation of perfluoroalkyl substances in Canadian sludge treatment systems - A mass balance approach
Science
8 Dec 2020 | Sci Total Environ .
The contaminant mass balances revealed that there were significant changes in mass flows of the target PFAS through all kinds of sludge treatment systems.
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State testing private wells in Fairfield for PFAS contamination
News
5 Dec 2020 | Maine Public Radio
The presence of two kinds of PFAS chemicals in the wells may be related to the spread of sludge as fertilizer on fields.
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US EPA recommends testing wastewater for PFAS
Policy
1 Dec 2020
Some facilities may have to test for the presence of PFAS in their wastewater, under a new strategy from the US Environmental Protection Agency
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Perfluorooctanoic acid (PFOA) uptake by alfalfa (Medicago sativa) and bioavailability in Sprague-Dawley rats
Science
1 Dec 2020 | J Food Prot
This study provides data for regulators investigating PFOA bioavailability and disposition in animals or animal products exposed to contaminated feed.