Showing 31-45 of 189
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The Total Mass of Per- and Polyfluoroalkyl Substances (PFASs) in California Cosmetics
Science
27 Jun 2024 | Environ Sci Technol
Cosmetics sold in California were found to contain between 650 to 56,000 kg of PFAS annually, with the majority coming from shaving creams, hair care products, facial cleansers, sun care products, and lotions, contributing 4% to the PFAA load in wastewater treatment plants.
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Impact of tightening environmental regulations against long-chain perfluoroalkyl acids on composition of durable water repellents containing side-chain fluorinated polymers
Science
1 Jun 2024 | Sci. Total Environ.
Increased environmental regulations on long-chain PFAAs may have led to a shift towards increased use of short-chain PFAAs in durable water repellents, underscoring the importance of understanding regulatory impacts on DWR composition to guide their use and end-of-life treatment.
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On the Chemical Pathways Influencing the Effective Global Warming Potential of Commercial Hydrofluoroolefin Gases
Science
4 Apr 2024 | ChemSusChem
The introduction of hydrofluoroolefins as a low Global Warming Potential substitute for hydrofluorocarbons raised concerns about the long-term atmospheric fate of their primary degradation products, particularly TFE, TFF, and TF due to the potential secondary formation of HFC-23, a potent greenhouse pollutant. This analysis indicates a need for further research to assess the climate risks associated with HFOs.
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A Comprehensive Review of Novel Adsorbents for Per-and Polyfluoroalkyl Substances in Water
Science
8 Mar 2024 | ACS ES&T Water
This review examines recent studies on new adsorbent materials for PFAS, covering fundamental mechanisms of PFAS adsorption, evaluating materials such as carbon nanotubes and polymers, and providing insights into strategies for designing effective PFAS removal solutions.
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Competition to destroy ‘forever chemicals’ heats up
News
4 Mar 2024 | Britt E. Erickson
Cleantech start-ups vie for a piece of the PFAS destruction market.
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[Press Release] Scientists Successfully Head Off Concerning PFAS Bill
Policy
26 Feb 2024
This public health victory shows what happens when scientists contribute their expertise to the policymaking process,” said Marta Venier, an environmental chemist at Indiana University who testified in the hearings.
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Skiers, including Jessie Diggins, adjust to using wax without PFAS
News
20 Feb 2024 | CBS News
To enforce the ban, skis are tested before races - sort of like how athletes are tested for performance enhancing drugs.
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Occurrence, bioaccumulation and trophic dynamics of per- and polyfluoroalkyl substances in two tropical freshwater lakes
Science
14 Feb 2024 | Environ Pollut
PFAS were measured in different fish species in two lakes in Nigeria, identifying the presence of novel PFAS, diSAMPAP and 9CL-PF3ONS, and documenting the role of urbanization on PFAS in the environment for the first time in Africa.
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Distribution and release of PFAS from AFFF-impacted asphalt: How does it compare to concrete?
Science
5 Feb 2024 | J. Hazard. Mater.
AFFF-impacted asphalt and concrete were found to potentially leach PFAS into the environment, with 6:2 FTS and PFOS identified as the dominant PFAS in the surface layer and runoff, asphalt exhibited a higher release rate compared to concrete.
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[Discussion] Estimated scale of costs to remove PFAS from the environment at current emission rates.
Science
5 Feb 2024 | Sci Total Environ
The significant costs associated with removing and destroying PFAS at the same rate they are currently introduced into the environment – over 100 trillion USD – underscores the urgent need for substantial reductions in production and emissions to address environmental and health concerns effectively.
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Reanalysis of PFO5DoA Levels in Blood from Wilmington, North Carolina, Residents, 2017-2018
Science
2 Feb 2024 | Environ Health Perspect
The presence of Hydro-EVE and 6:2 FTS in the blood serum of Wilmington residents from 2017 to 2018 indicates ongoing exposure to PFAS originating from the contaminated Cape Fear River Basin.
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Per-and polyfluoroalkyl substances (PFAS) in Canadian municipal wastewater and biosolids: Recent patterns and time trends 2009 to 2021
Science
19 Nov 2023 | Sci. Total Environ.
PFOS and PFOA remain in Canadian wastewater and biosolids, with concentrations of long-chain PFAS – except for PFOS – decreasing over time, while short-chain PFAS, used as replacements, show a consistent increase in wastewater between 2009 and 2021.
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How Cancer-Linked ‘Forever Chemicals’ Got Inside Everyone
News
13 Nov 2023 | Bloomberg
In this episode of Bloomberg Investigates, we examine how substances known as PFAS found their way to every corner of the planet—and the consequences.
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Chemical crisis: The unseen toxic threat contaminating wildlife worldwide
News
28 Oct 2023 | The Hill
An unseen but growing chemical contamination crisis is threatening wildlife across all seven continents, exacerbating a host of environmental threats they’re already facing.
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Is it raining PFAS in France? An analysis of 52 PFAS at ng/L levels in French rainwaters during Autumn season
Science
27 Oct 2023 | J Environ Qual
This study analyzed rainwater in France for PFAS and detected the presence of PFNA, PFUnA, and PFHxA while also emphasizing the importance of environmental surveillance and improved analysis methods.