Showing 406-420 of 2324
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Forecasting and Hindcasting PFAS Concentrations in Groundwater Discharging to Streams near a PFAS Production Facility
Science
25 Sep 2024 | Environ. Sci. Technol.
PFAS was detected in groundwater that is nearly half a century old near North Carolina's Cape Fear River, and is expected to persist above safe levels in discharge to streams until at least 2050-2060, highlighting the long-term environmental impact of these chemicals.
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Why PFAS-Free O-Rings Are the Future of Aerospace and Automotive Engineering
News
24 Sep 2024 | Advanced EMC Technologies
Traditionally, O-Rings made with PFAS have been used for their exceptional durability and resistance to heat, chemicals, and pressure. However, growing environmental concerns over PFAS have led to a push for more sustainable, PFAS-free alternatives.
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A 20-Year study reveal decrease in per- and polyfluoroalkyl substances (PFAS) in a pelagic seabird from the Western Mediterranean
Science
24 Sep 2024 | Environ Pollut
PFAS levels in the livers of a Mediterranean seabird have decreased by 77%, though persistent detection of these chemicals, especially PFOS and its substitutes, highlights the ongoing need for stronger global efforts to reduce environmental PFAS pollution.
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Spigot available for Hallowell residents seeking PFAS-free water
News
20 Sep 2024 | NEWS CENTER Maine
Spigot available for Hallowell residents seeking PFAS-free water.
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Per-and polyfluoroalkyl substances (PFAS) in floor dust from different indoor environments in Australia: Levels, variation, and human exposure risks
Science
19 Sep 2024 | Chemosphere
Human exposure to PFAS through dust varies across indoor environments, with higher concentrations found in offices compared to houses and public transport vehicles.
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Multimedia and Full-Life-Cycle Monitoring Discloses the Dynamic Accumulation Rules of PFAS and Underestimated Foliar Uptake in Wheat near a Fluorochemical Industrial Park
Science
18 Sep 2024 | Environ. Sci. Technol.
PFAS contamination near a major industrial park in China, particularly from airborne deposition, has led to significant accumulation in soil and wheat, with spray irrigation increasing PFAS absorption in wheat compared to flood irrigation. Local residents have high exposure risks through wheat consumption and air inhalation.
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How a California County Got PFAS Out of Its Drinking Water
News
16 Sep 2024 | NPR
But in the past few years, Yorba Linda has picked up another distinction: It’s home to the nation’s largest per- and polyfluoroalkyl (PFAS) water treatment plant of its kind, according to the city.
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Per-and polyfluoroalkyl substances (PFAS) in drinking water in Southeast Los Angeles: Industrial legacy and environmental justice
Science
16 Sep 2024 | Sci. Total Environ.
PFAS were detected in 30% of tap water samples from California, with the highest concentrations found in low-income, predominantly Latino communities in heavily industrialized areas of Southeast Los Angeles, highlighting the need for improved water testing and regulations to protect vulnerable populations.
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Dayton lab becomes first certified PFAS lab of its kind in Ohio
News
14 Sep 2024 | Dayton Daily News
Dayton’s water lab has become the first municipal or commercial lab in Ohio to achieve state certification for PFAS testing, which officials say should help hold down testing costs while ensuring samples are tested in a prompt manner.
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'Forever chemicals' on Texas land? EPA puts $3.2M into PFAS biosolids research
News
13 Sep 2024 | ABC
Texas A&M and Texas Tech will receive $1.6 million apiece as part of the grant, the EPA announced Thursday.
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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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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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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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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.