Showing 916-930 of 5068
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Exploring the variability of PFAS in urban sewage: a comparison of emissions in commercial versus municipal urban areas
Science
13 Sep 2024 | Environ Sci Process Impacts
PFOS and 6:2 FTS concentrations were significantly higher in wastewater from commercial areas, with median loads exceeding 0.9 μg per person per day, while municipal areas had lower levels, indicating that commercial activities are a major source of PFAS emissions in urban wastewater.
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Development, validation, and clinical assessment of a liquid chromatography-tandem mass spectrometry serum assay for per- and polyfluoroalkyl substances (PFAS) recommended by the National Academies of Science, Engineering, and Medicine (NASEM)
Science
13 Sep 2024 | Anal Bioanal Chem
In 2022, new guidelines recommended measuring nine PFAS compounds in blood, and in this study, 82.2% of samples had concentrations between 2 and 20 ng/mL, with a lower median PFAS level than previous national surveys, indicating a potential decrease in exposure or differences in population exposure patterns over time.
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US lawmakers push to exclude lucrative chemicals from official PFAS definition
Policy
12 Sep 2024
Language in a Senate defense bill is probably the first step to shield widely used toxic F-gases from regulation.
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Trojan Condoms Contain Cancer-Causing Chemicals: Lawsuit Claims
News
12 Sep 2024 | Newsweek
America's #1 condom" is under fire over claims that they contain toxic "forever chemicals" and are unfit for their intended purpose.
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Do Not Eat Advisory in effect for deer at northern Michigan marsh due to PFAS contamination
News
12 Sep 2024 | Fox 2 Detroit
Hunters are reminded to not eat any venison taken from deer around a marsh in northern Michigan over concerns of forever chemical contaminants in the area.
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‘Chronic threat’ of PFAS firefighting foams raised in 2003 secret UK report
Policy
11 Sep 2024
The Environment Agency was warned about the “chronic threat” that firefighting foams containing PFAS “forever chemicals” pose to the environment in 2003, 20 years before it started the process of regulating the chemicals, it can be revealed.
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Maternal Exposure to Per- and Polyfluoroalkyl Substances and Offspring Chromosomal Abnormalities: The Japan Environment and Children's Study
Science
11 Sep 2024 | Environ Health Perspect
Maternal exposure to certain PFAS chemicals, particularly PFOS, may be associated with an increased risk of chromosomal abnormalities in offspring, though further research is needed due to potential selection bias.
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These common chemicals could affect your health all over your body, expert says
News
9 Sep 2024 | CNN
Dr. Carmen Marsit of Emory University, wants people to understand what to do about PFAS.
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Have per and polyfluoroalkyl substances (PFAS) infiltrated Florida's freshwater springs?
Science
9 Sep 2024 | Sci. Total Environ.
PFAS chemicals were detected in over 60% of water samples from Florida's freshwater springs, raising concerns about potential health risks for those relying on these springs for drinking water, and highlighting the need for further research on contamination pathways.
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It’s raining PFAS in South Florida: Occurrence of per-and polyfluoroalkyl substances (PFAS) in wet atmospheric deposition from Miami-Dade, South Florida
Science
9 Sep 2024 | Atmos. Pollut. Res.
Rainwater in Florida contained significant levels of PFAS chemicals, including PFBA, PFNA, PFOS, and PFOA, particularly during the dry season, and analysis suggested both local and distant sources of contamination.
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Nontarget Analysis Combined with TOP Assay Reveals a Significant Portion of Unknown PFAS Precursors in Firefighting Foams Currently Used in China
Science
9 Sep 2024 | Environ. Sci. Technol.
Researchers identified 54 PFAS compounds, including seven novel ones, in Chinese firefighting foams, with some meeting persistence, bioaccumulation, and toxicity criteria, and advanced analysis revealed additional PFAS precursors that were previously undetected.
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EPA Delays TSCA PFAS Reporting Deadlines
Policy
6 Sep 2024
The U.S. EPA just issued a direct final rule amending reporting deadlines for PFAS under the Toxic Substances Control Act.
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FCPS shuts off drinking water for students, staff. Here's why
News
6 Sep 2024 | wusa9
Many students in Frederick County had to adjust to a new status quo when they began the school year: dry drinking fountains.
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Attorneys plan to sue Del. company under federal environmental act
News
5 Sep 2024 | WHYY.org
Gore, known for the Gore-Tex fabric, is accused of improperly disposing of hazardous waste into sewers and the air.
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New Mexico ends PFAS settlement talks with Pentagon
News
5 Sep 2024 | E&E News
New Mexico “is actively pursuing legal action as we firmly believe that it represents the most effective course of action to hold the United States accountable for the PFAS contamination incident at Cannon Air Force Base,” Zachary Ogaz, the department’s general council.