Showing 2686-2700 of 4915
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California Agency Sues 3M, Others Over Groundwater Contamination
News
9 Nov 2021 | Reuters
The complaint seeks a ruling ordering the companies to pay for investigating and cleaning up wells that have been contaminated with PFAS in Los Angeles County.
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3M Fails to Overturn Regulators’ Shutdown of PFAS Production in Belgium
News
9 Nov 2021 | Star Tribune
In Belgium, PFAS contamination involves both the old PFOS and failure to disclose releases of newer-generation substances in the family.
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Half-lives of several polyfluoroalkyl substances (PFAS) in cattle serum and tissues
Science
9 Nov 2021 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
Cattle drank water contaminated with PFAS-containing fire fighting from were found to have PFOS, PFHpS, PFNA, PFDA, and PFHxS in their blood which was used to estimate half-lives for these substances.
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Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis
Science
9 Nov 2021 | Environ Sci Technol
Common solvents were found to degrade PFAS during chemical analysis, potentially corrupting results.
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Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland
Science
9 Nov 2021 | Chemosphere
Moderate consumption of most Baltic fishes exceeded the tolerable weekly intake set by the European Commission for the sum of four PFAS (PFOA, PFNA, PFHxS, and PFOS).
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Exposure to perfluoroalkyl substances in waste recycling workers: Distributions in paired human serum and urine
Science
9 Nov 2021 | Environ Int
The results of this study suggest that sorters at recycling facilities may be directly exposed to PFAS and is the first to detect PFPAs in human urine.
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Per- and polyfluoroalkyl substance (PFAS) exposure, maternal metabolomic perturbation, and fetal growth in African American women: A meet-in-the-middle approach
Science
9 Nov 2021 | Environ Int
Higher PFOA and PFNA blood levels in pregnant African American women were associated with reduced fetal growth.
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Engineering human liver fatty acid binding protein for detection of poly- and perfluoroalkyl substances
Science
9 Nov 2021 | Biotechnol Bioeng
A novel method of detecting selected PFAS in water (at parts per billion or million levels) by using human liver proteins was developed and implemented in field applications.
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Short-term exposure to perfluorotetradecanoic acid affects the late-stage regeneration of Leydig cells in adult male rats
Science
9 Nov 2021 | Toxicol Appl Pharmacol
The short-term exposure to PFTeDA during specific windows of sex cell regeneration was associated with reduced testosterone levels and lowered sperm counts in rats.
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Emerging investigator series: human CYP2A6 catalyzes the oxidation of 6:2 fluorotelomer alcohol
Science
9 Nov 2021 | Environ Sci Process Impacts
An enzyme was found to play an important role in the indirect human exposure to bioactive and persistent PFCAs which are metabolites of 6:2 fluorotelomer alcohol.
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Western Ky. city grapples with widespread pollution from Teflon recycler
News
8 Nov 2021 | APM Reports
A WFPL News investigation has found three of Shamrock Technologies’ decades-old facilities have polluted Henderson with PFAS chemicals, impacting thousands of people who work, learn and live in the area.
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Global occurrence and probabilistic environmental health hazard assessment of per- and polyfluoroalkyl substances (PFASs) in groundwater and surface waters
Science
8 Nov 2021 | Sci Total Environ
US EPA drinking water lifetime health advisory levels were exceeded for PFOS in up to 74% of Oceania groundwater samples and exceeded for PFOA in up to 69% of North American groundwater samples.
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2 Charlotte Sites Part of Latest Fight to Force Companies to Clean up PFAS
News
4 Nov 2021 | WFAE
North Carolina Attorney General Josh Stein has filed lawsuits against 14 manufacturers of a common fire suppressant containing PFAS used by firefighters.
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Chemours Must Take More Action to Address GenX, PFAS Contamination, State DEQ Officials Say
News
4 Nov 2021 | The Fayetteville Observer
The consent order requires Chemours to provide permanent replacement of drinking water to residences with wells where test results show detections of GenX above 140 ppt.
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Millions consuming 'invisible toxic cocktail' of cancer-linked chemicals: study
News
3 Nov 2021 | The Hill
Millions of Americans are unknowingly ingesting water that includes “an invisible toxic cocktail” of cancer-linked chemicals, a new survey of the nation’s tap water has found.