Showing 571-585 of 1559
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Nearly half of the tap water in the US is contaminated with ‘forever chemicals,’ government study finds
News
6 Jul 2023 | CNN
Almost half of the tap water in the US is contaminated with chemicals known as “forever chemicals,” according to a new study from the US Geological Survey.
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An LC-MS/MS method for the quantitative determination of 57 per- and polyfluoroalkyl substances at ng/kg levels in different food matrices
Science
6 Jul 2023 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
An analytical method was optimized for quantifying the amount of PFAS in milk powder, milk-based infant formula, meat-based baby food puree, fish and fish oil, fresh egg, and soluble coffee, with limits of quantification low enough to comply with EU regulation.
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[Video] The PFAS Cover-up
News
29 Jun 2023 | Zembla
In the ‘PFAS Cover-up’ Zembla uncovers what PFAS-producers Dupont and 3M knew of the dangers of their chemicals.
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Prenatal exposure to per- and polyfluoroalkyl substances and infant sleep disturbance: A prospective cohort study
Science
28 Jun 2023 | Environ Int
Exposure to several PFAS was significantly associated with an increased risk of sleep disturbance in infants, including nighttime awakenings, snoring, and longer nocturnal wakefulness.
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Factors affecting serum PFAS concentrations among US females with surgically and naturally induced menopause: data from NHANES 2003-2018
Science
27 Jun 2023 | Environ Sci Pollut Res Int
Supplementary hormone use, and specifically estrogen hormones, are associated with higher serum PFAS in postmenopausal women.
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Safer and effective alternatives to perfluoroalkyl-based surfactants in etching solutions for the semiconductor industry
Science
26 Jun 2023 | J. Clean. Prod.
100 semiconductor manufacturers tested or adopted PFAS-free etching surfactants that showed superior wetting characteristics and predicted lower health harm compared to PFAS.
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Regulating PFAS at the Edge of Detection
News
21 Jun 2023 | American Bar Association
The U.S. Environmental Protection Agency published proposed regulations (88 FR 18638) for PFAS drinking water standards and seeks public comment.
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Levels of PFAS concentrations in the placenta and pregnancy complications
Science
20 Jun 2023 | Ecotoxicol Environ Saf
PFOA concentrations in the placenta appeared to be associated with adverse perinatal outcomes, consistent with findings for PFAS concentrations in blood.
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Domestic Dogs and Horses as Sentinels of Per- and Polyfluoroalkyl Substance Exposure and Associated Health Biomarkers in Gray's Creek North Carolina
Science
20 Jun 2023 | Environ Sci Technol
Many PFAS were detected in dogs and horses in areas with documented PFAS contamination, and as in humans, liver and kidney health in domestic animals may be sensitive to long-term PFAS exposures.
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[Report] Per- and Polyfluoroalkyl Substances in New Firefighter Turnout Gear Textiles
Science
19 Jun 2023 | NIST
Total PFAS concentrations varied widely among each textile type, suggesting that the amount of PFAS present in new turnout gear may depend on the specific textiles used in gear manufacturing.
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Plasma concentrations of per- and polyfluoroalkyl substances in pregnancy and breastfeeding duration in Project Viva
Science
19 Jun 2023 | Sci. Tot. Env.
Higher plasma PFAS in pregnancy was associated with shorter breastfeeding duration.
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Estimation of Serum PFOA Concentrations from Drinking and Non–Drinking Water Exposures
Science
16 Jun 2023 | EHP
PFAS-contaminated sites should be remediated and drinking water containing PFAS should be treated; however, to achieve meaningful reductions in serum PFAS, a comprehensive national approach must be undertaken to reduce PFAS exposures from all sources, including banning PFAS in food, consumer products, and other nonessential uses.
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Occurrence of Per- and Polyfluoroalkyl Substance Contamination of Food Sources and Aquaculture Organisms Used in Aquatic Laboratory Experiments
Science
13 Jun 2023 | Environ Toxicol Chem
The most frequently detected PFAS in fish feed and aquaculture fathead minnows were PFCAs and PFOS, with freeze‐dried bloodworms and frozen brine shrimp being the most polluted.
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20% of children live with unsafe levels of chemical toxins - study
News
11 Jun 2023 | The Jerusalem Post
Exposure to PFAs has been associated with reduced vaccine response in children, increasing the risk of exposure to deadly diseases. It has also been associated with reduced birth weight and cancer.
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Environment Canada’s State of PFAS Report: insights into the future regulation of “forever chemicals”
Policy
8 Jun 2023
The report arises from the Federal Government’s 2021 announcement to research and monitor PFAS substances, collect and examine information on PFAS substances, and review policy developments in other jurisdictions.