Showing 1321-1335 of 3147
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[Perspective] EPA Takes Action Against Harmful "Forever Chemicals" in the US Water Supply
Science
19 Oct 2022 | JAMA
This Medical News article discusses new EPA advisories for PFAS as well as new National Academies guidance on expanded testing for exposure.
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PFAS pollute 83% of U.S. waterways
News
18 Oct 2022 | E&E News
The overwhelming majority of U.S. waterways are likely polluted with “forever chemicals,” according to a grim new analysis that comes as the country marks a half-century of its landmark water protection law.
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Exposure to a mixture of per-and polyfluoroalkyl substances modulates pulmonary expression of ACE2 and circulating hormones and cytokines
Science
18 Oct 2022 | Toxicol Appl Pharmacol
The effects of PFAS exposure in mice on gene expression and hormones were studied with respect to susceptibility to viral infections such as COVID-19.
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Analysis of Per- and Poly(fluoroalkyl) Substances (PFASs) in Highly Consumed Seafood Products from U.S. Markets
Science
17 Oct 2022 | J Agric Food Chem
Bottom-feeding organisms tend to have the highest PFAS concentrations, followed by lean fish, fatty fish, and aquaculture with PFUdA and PFDoA being the most frequently detected chemicals.
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Plasma concentrations of perfluoroalkyl acids and their determinants in youth and adults from Nunavik, Canada
Science
14 Oct 2022 | Chemosphere
Long-chain PFAAs levels were 4–7 fold higher in Nunavik Inuit adults compared to the Canadian population and were associated with hunting activity, omega-3 fatty acids, and drinking water from environmental sources.
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Per- and polyfluoroalkyl substances and psychosocial stressors have a joint effect on adverse pregnancy outcomes in the Atlanta African American Maternal-Child cohort
Science
14 Oct 2022 | Sci Total Environ
Psychosocial stress including depression, anxiety, stress, and gendered racial stress may amplify associations between an increase in PFAS and reduced birthweight.
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Occurrences of legacy and emerging per-and polyfluoroalkyl substances in human milk in China: Results of the third National Human Milk Survey (2017–2020)
Science
12 Oct 2022 | J. Hazard. Mater.
Potential hazard from PFAS exposure through breastmilk, especially from high PFOA exposure, was observed throughout China.
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Presumptive Contamination: A New Approach to PFAS Contamination Based on Likely Sources
Science
12 Oct 2022 | ES&T
A contamination model was used to create a map of presumptive PFAS contamination sites in the United States, identifying more than 57,000 sites including industrial facilities, wastewater treatment plants, current or former military sites, and airports.
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Use and release of per-and polyfluoroalkyl substances (PFASs) in consumer food packaging in US and Canada
Science
11 Oct 2022 | Chemosphere
Most food packaging does not contain intentionally added PFAS, indicating that PFAS are not necessary for food packaging, yet the thousands of tonnes of PFAS still used have the potential to contaminate the environment and waste streams.
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Swimming with PFAS in public and private pools
Science
11 Oct 2022 | Chemosphere
PFBA, PFHxA, PFHpA, PFOA, PFNA and PFBS were detected in every pool sample with most PFOA and PFOS levels above the new US EPA drinking water health advisory limits.
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[Press release] Shaheen, Blumenthal Statement on DOD Prohibition of certain PFAS-Containing Items
Policy
10 Oct 2022
U.S. Senators Jeanne Shaheen and Richard Blumenthal issued the following statements following a recent announcement by the DoD that the agency will prohibit the procurement of certain items that contain PFAS.
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Targeted analysis and total oxidizable precursor assay of several insecticides for PFAS
Science
10 Oct 2022 | JHM Letters
PFOS was detected in 6 out of 10 tested insecticides at concentrations up to 19,200,000 ppt, with 7 additional PFAS found via non-targeted techniques.
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‘Screamingly High’ Levels of PFAS in Common Insecticides, New Study Finds
News
7 Oct 2022 | EcoWatch
A study published in the November issue of the Journal of Hazardous Materials Letters gives another reason to avoid insecticides in particular: they may contain the toxic forever chemicals known as PFAS.
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[Blog] Flawed WHO report on ‘forever chemicals’ fails human health, EWG scientists find
News
7 Oct 2022 | EWG
A draft World Health Organization analysis of the two most notorious “forever chemicals” disregards hundreds of health risk studies, claiming there are too many uncertainties to calculate a safe exposure level for the substances.
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Toxic ‘forever chemicals’ detected in commonly used insecticides in US, study finds
News
7 Oct 2022 | The Guardian
Toxic PFAS chemicals have been detected in seven out of 10 insecticides tested in the US, according to new research.