Showing 526-540 of 1183
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GAC Filters Continue To Effectively Remove Chemours’ PFAS
News
21 Nov 2022 | Cape Fear Public Utility Authority
CFPUA has an ongoing program to monitor PFAS in raw, untreated water from the Cape Fear River and in finished, treated drinking water.
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Bone mass density following developmental exposures to perfluoroalkyl substances (PFAS): a longitudinal cohort study
Science
19 Nov 2022 | Environ Health
PFAS exposures in childhood are negatively associated with overall bone mass density, with the strongest association seen for PFNA amongst 5-year-olds.
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A Year in Review: EPA’s Work on PFAS
News
18 Nov 2022 | Environmental Protection
The EPA’s A Year of Progress Under EPA’s PFAS Strategic Roadmap, published this week, outlines what actions have been taken so far to better the lives of people in our communities.
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Biota-Sediment Accumulation Factors (BSAFs) for Per- and Polyfluorinated Substances (PFAS)
Science
18 Nov 2022 | Environ Toxicol Chem
A summary of biota-sediment accumulation factors is given for many PFAS, and the largest research gap identified is understanding the effects of concentration and mixtures upon bioaccumulation from sediments.
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First Evidence of Prenatal Exposure to Emerging Poly- and Perfluoroalkyl Substances Associated with E-Waste Dismantling: Chemical Structure-Based Placental Transfer and Health Risks
Science
18 Nov 2022 | Environ Sci Technol
Electronic waste dismantling contributes to adult and fetal exposure to PFAS, with 6:2 FTSA, 6:2 Cl-PFESA, and PFOPA identified as major emerging PFAS with trans-placemental transfer efficiencies higher than that of PFOS.
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Michigan judge sides with 3M, invalidates PFAS cleanup rules
Policy
17 Nov 2022
he state of Michigan did not follow proper administrative procedure when setting groundwater cleanup standards for PFAS chemicals, according to a judicial order which invalidated those rules this week but did not immediately prohibit their continued usage.
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Nontargeted screening reveals fluorotelomer ethoxylates in indoor dust and industrial wastewater.
Science
15 Nov 2022 | Environ. Int.
FTEOs were detected in 60% of indoor dust samples and c. 40% of industrial effluent samples, with the highest concentrations in healthcare facility dust and the effluents from electroplating facilities, manufacturers of cosmetics and personal care products, and linen cleaning services for healthcare and work uniforms.
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California sues over PFAS ‘forever chemicals’ that taint water
Policy
14 Nov 2022
A lawsuit filed Thursday by the state of California accuses 3M, Dupont and 16 smaller companies of covering up the harm caused to the environment and the public from chemicals manufactured by the firms that have over decades found their way into waterways and human bloodstreams.
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Water Associations Share Final Comments on PFAS CERCLA Proposal
News
14 Nov 2022 | Water & Waste Digest
The U.S. EPA has proposed that PFAS chemicals be listed as hazardous substances in the Superfund.
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Apparent Half-Lives of Chlorinated-Perfluorooctane Sulfonate and Perfluorooctane Sulfonate Isomers in Aviation Firefighters
Science
11 Nov 2022 | Environ Sci Technol
The average half-life of Cl-PFOS among firefighters with previous exposure to fluorinated AFFF was 5.0 years, although other forms of PFOS had half-lives ranging from 4-11.5 years.
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California Sues 3M and DuPont Over PFAS Chemicals
Policy
10 Nov 2022
California is suing 3M Co. and DuPont de Nemours Inc. along with other manufacturers of PFAS, a collection of chemicals that have been linked to health issues including cancer and are commonly found in consumer products such as fabrics, food packaging and cookware.
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Per- and Poly-Fluoroalkyl Substances in Runoff and Leaching from AFFF-Contaminated Soils: a Rainfall Simulation Study
Science
10 Nov 2022 | Environ Sci Technol
PFAS concentrations in AFFF-contaminated soils declined significantly after the first rainfall event, but desorption and transport in both runoff and leachates persisted over several rainfall events.
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Legacy and emerging airborne per- and polyfluoroalkyl substances (PFAS) collected on PM2.5 filters in close proximity to a fluoropolymer manufacturing facility
Science
9 Nov 2022 | Environ Sci Process Impacts
Twelve emerging and ten legacy PFAS compounds were detected in aerosol samples around a fluoropolymer manufacturing facility at concentrations higher than at regional background sites, suggesting the manufacturing facility as the local source for these compounds.
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Controlled uptake of PFOA in adult specimens of Paracentrotus lividus and evaluation of gene expression in their gonads and embryos
Science
9 Nov 2022 | Environ Sci Pollut Res Int
PFOA is persistent and bioaccumulative in sea urchins and adversely affects their health by causing significant changes in the expression of some key target genes and the occurrence of developmental anomalies in the embryos.
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Interface hydrogen bonding dominated perfluorooctanoic acid (PFOA) accumulation by iron particles in drinking water pipes
Science
8 Nov 2022 | Chemosphere
Old unlined drinking water pipes had a higher accumulation capacity for PFOA than new pipes due to the accumulation of some iron particles.