Showing 1891-1905 of 3347
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Noise-Reduced Quantitative Fluorine NMR Spectroscopy Reveals the Presence of Additional Per- and Polyfluorinated Alkyl Substances in Environmental and Biological Samples When Compared with Routine Mass Spectrometry Methods
Science
15 Feb 2022 | Anal Chem
Novel techniques were applied to increase the sensitivity of fluorine NMR such that more PFAS were found in aqueous samples compared to traditional LC-MS methods, suggesting NMR as a simple and accurate tool to measure total organic fluorine.
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New Hampshire town polluted with PFAS has elevated cancer rates
News
14 Feb 2022 | The Intercept
Residents of a New Hampshire town where drinking water was contaminated with the industrial compounds known as PFAS have elevated rates of several cancers compared to the national average and compared to several nearby communities that were not contaminated with the chemicals, according to a study published today.
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How ‘forever chemicals’ are using marine life to travel the world by sea
News
14 Feb 2022 | The Guardian
PFAS could become the PCBs of the future.
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Department of Defense sued amid 30-year fight against East Liverpool hazardous waste incinerator
News
8 Feb 2022 | Mahoning Matters
If temperatures aren't high enough to break the PFAS down, the chemicals are released into the air.
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Bioremediation of perfluorochemicals: current state and the way forward
Science
7 Feb 2022 | Bioprocess Biosyst Eng
This review examines the efficiencies of the different bacterial, plant, and fungal species in PFAS bioremediation under different conditions, their limitations, and their improvement.
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Hepatic Fatty Acid Profiles Associated with Exposure to Emerging and Legacy Halogenated Contaminants in Two Harbor Seal Populations across the North Atlantic
Science
7 Feb 2022 | ES&T
Several flame retardants and PFAS chemicals were significantly associated with changes in liver fatty acid profiles in seals from Maine and Sweden.
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Release of perfluoroalkyl substances from AFFF-impacted concrete in a Firefighting Training Ground (FTG) under repeated rainfall simulations
Science
7 Feb 2022 | J. Hazard. Mater.
High concentrations of 5 PFAS were measured in concrete cores removed from firefighting training grounds, and simulated rainfall released approximately 1% of the total PFAS mass in the concrete surface layer, leading researchers to believe that concrete can be a secondary source of PFAS contamination.
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[Blog] 2022 Analysis of State Legislation on PFAS and other Toxic Chemicals
Policy
7 Feb 2022
Safer States analyzed state-level policies on toxic chemical regulation, finding that at least 32 states will consider policies in 2022.
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Hazardous “forever chemicals” used in Colorado for fracking, report says
News
7 Feb 2022 | The Denver Post
Physicians for Social Reponsibility’s report on Colorado follows 2021 look at drilling in six other states.
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Per- and polyfluoroalkyl substances in the environment
Science
7 Feb 2022 | Science
This review summarizes the sources, transport, degradation, and toxicological implications of the megatonne of PFAS produced yearly, highlighting the importance of investigating potential PFAS replacements, the importance of lifecycle considerations, and that PFAS remediation efforts are still in their infancy.
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Exposure pathways and bioaccumulation of per- and polyfluoroalkyl substances in freshwater aquatic ecosystems: Key considerations
Science
7 Feb 2022 | Sci Total Environ
PFAS concentration, dissolved organic matter, sediment organic matter, and biotransformation of precursor PFAS tended to significantly impact reported bioaccumulation metrics.
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[Blog] Why is nobody talking about outdoor gear's PFAS problem at Snow Show?
News
4 Feb 2022 | U.S. PIRG
The outdoor industry prides itself on promoting healthy living and active lifestyles; many outdoor brands fail to phase PFAS out of their supply chains and products.
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Evidence of PFAS chemicals in sports bras
News
2 Feb 2022 | Environmental Health News
Fifteen out of 23 popular sports bras have detectable levels of fluorine, an indicator of toxic PFAS, ranging from 10 ppm to 58 ppm, according to a new report from Mamavation.
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Formidable legal bar shields military from PFAS lawsuits
Policy
1 Feb 2022
Military installations are a major source of community contamination from a class of toxic chemicals called PFAS, but trying to hold the Defense Department accountable can be formidable due to a labyrinth of legal limitations.
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Serum levels of perfluoroalkyl substances (PFAS) and body composition - A cross-sectional study in a middle-aged population
Science
1 Feb 2022 | Environ Res
PFOA, PFNA, and PFDA were inversely related to fat mass measurements in women but not men, while PFOS and PFHxS had no consistent associations with body composition.