Showing 31-45 of 136
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Tumorigenic activity of alternative per- and polyfluoroalkyl substances (PFAS): Mechanistic in vitro studies
Science
6 Dec 2021 | Sci Total Environ
PFHxS has been associated with breast cancer in epidemiological studies, and this study demonstrated how this shorter-chain PFAS can affect cell proteins and cell proliferation.
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Distribution, source identification and health risk assessment of PFASs in groundwater from Jiangxi Province, China
Science
30 Nov 2021 | Chemosphere
Monitoring in China suggests that PFBA, PFPeA, 6:2 FTS and F–53B are broadly used replacements of PFOA and PFOS with estimated daily intakes of short-chain PFCAs higher than that of PFOA.
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A New OECD Definition for Per- and Polyfluoroalkyl Substances
Science
16 Nov 2021 | Environ Sci Technol
The Organisation for Economic Co-operation and Development and the United Nations Environment Programme expanded on their definition of PFAS to include fluorinated substances that contain at least one fully fluorinated methyl or methylene carbon atom.
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[Blog] The Big Reveal: Hundreds of Health Studies on Next Gen PFAS
News
10 Nov 2021 | NRDC
The PFAS-Tox Database has been updated and includes 1068 studies.
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States Eclipse Feds in Cleaning Up ‘Forever Chemicals’ in Soil
News
10 Nov 2021 | Bloomberg Law
The EPA is moving forward with a roadmap for addressing PFAS.
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EPA Eyes New Rules For PFAS in Waste
News
26 Oct 2021 | E&E News
EPA said it will initiate a rulemaking to propose adding the chemicals PFOA, PFOS, GenX and PFBS as hazardous constituents under the law.
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EPA proposal could put PFAS on contaminant list, UW experts support decision
Policy
12 Oct 2021
Wisconsin Attorney General Josh Kaul supported the U.S. Environmental Protection Agency’s proposal to include per- and polyfluoroalkyl substances in the Contaminant Candidate List 5.
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Assessment of per- and polyfluoroalkyl substances in Biscayne Bay surface waters and tap waters from South Florida
Science
17 Sep 2021 | Sci Total Environ
The average total PFAS was higher in tap water than in surface waters, whereas the most predominant and frequently detected PFAS were PFBA, PFBS, PFPeA, PFHxA, PFHxS, PFOA, and PFOS.
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Transport and environmental risks of perfluoroalkyl acids in a large irrigation and drainage system for agricultural production
Science
11 Sep 2021 | Environ Int
Up to 40% of tolerant daily intake came from humans eating contaminated aquatic organisms.
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[Blog] Guidance on New PFAS Reporting Rule for Manufacturers
Policy
8 Sep 2021
In the last 10 years, have you manufactured, processed or imported products containing per- and polyfluoroalkyl substances (PFAS)? If so, be aware - the EPA may soon require a detailed report.
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The Nrf2a pathway impacts zebrafish offspring development with maternal preconception exposure to perfluorobutanesulfonic acid
Science
2 Sep 2021 | Chemosphere
PFBS exposures were found to alter egg and embryo development, when exposure occurs preconception.
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How Biden’s Team Rushed to Dump a Trump-Era PFAS Assessment
News
1 Sep 2021 | E&E News
At issue is a toxicity assessment for PFBS, which is used in manufacturing processes and to make stain-resistant coatings for various consumer items like clothes, among other purposes.
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Perfluorinated compounds disrupted osmoregulation in Oryzias melastigma during acclimation to hypoosmotic environment
Science
18 Aug 2021 | Ecotoxicol Environ Saf
PFOS showed a greater impact on fish’s ability to extract oxygen from fresh and saltwater than the shorter chain homolog PFBS.
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[Blog] CA PFAS Pollution Widespread in Disadvantaged Communities
News
17 Aug 2021 | NDRC
NRDC’s new analysis of California’s drinking water testing for PFAS reveals widespread PFAS pollution in the state, particularly in communities that are already overburdened by multiple sources of pollution.
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Ineffectiveness of ultrasound at low frequency for treating per- and polyfluoroalkyl substances in sewage sludge
Science
4 Aug 2021 | Chemosphere
Ultrasonication was found not efficient at removing PFAS from sewage sludge and would ultimately increase pollution after sludge was disposed of.