Showing 301-315 of 1096
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Multiple pollutants in groundwater near an abandoned Chinese fluorine chemical park: concentrations, correlations and health risk assessments
Science
7 Mar 2022 | Nature
Fluorine and some heavy metal concentrations in groundwater near the fluorochemical industry exceeded safe drinking water levels, especially for PFOA.
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[Comment Period] Proposed Rulemaking: Safe Drinking Water PFAS MCL Rule
Policy
28 Feb 2022
Pennsylvania's Environmental Quality Board is now accepting public comment on proposed maximum contaminant levels for PFOA and PFOS.
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Notice to Interested Parties Chemical Listed Effective February 25, 2022 As Known to the State of California to Cause Cancer: Perfluorooctanoic Acid
Policy
28 Feb 2022
Effective February 25, 2022, for purposes of Proposition 65, the OEHHA is adding PFOA to the list of chemicals known to the State of California to cause cancer.
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[Invited Perspective] Current Breast Milk PFAS Levels in the United States and Canada Indicate Need for Additional Monitoring and Actions to Reduce Maternal Exposures
Science
28 Feb 2022
Addressing the higher breast milk concentrations from maternal exposure to PFAS in drinking water will require identifying contaminated drinking water sources and establishing health-protective PFAS drinking water guidelines that consider both exposures and risks to breastfed infants.
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Comparative Toxicity of Aquatic PFAS Exposure in Three Species of Amphibians
Science
28 Feb 2022 | Environ Toxicol Chem
Chronic exposure to PFOS, PFOA, PFHxS, and 6:2 FTS can negatively affect amphibian body condition and development at low concentrations.
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Early Warnings by Liver Organoids on Short- and Long-Chain PFAS Toxicity
Science
28 Feb 2022 | Toxics
Short-chain PFAS were found to reduce the structural integrity and disrupt normal cell functions in a synthetic tissue model.
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Association between maternal per- and polyfluoroalkyl substance exposure and newborn telomere length: Effect modification by birth seasons
Science
28 Feb 2022 | Environ Int
A higher maternal PFOA concentration was significantly associated with shorter newborn telomere length in spring-born infants but not in those born in other seasons.
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Current Breast Milk PFAS Levels in the United States and Canada: After All This Time, Why Don't We Know More?
Science
28 Feb 2022 | Environ Health Perspect
The authors emphasize the need to study PFAS in breast milk and found that all average estimated and measured breast milk PFOA and PFOS concentrations exceeded drinking water screening values for children, sometimes by more than two orders of magnitude.
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Monitoring breast milk for PFAS
News
24 Feb 2022 | Science Daily
While there is over 20 years of biomonitoring data on PFAS in human serum and urine, scientists and physicians have a limited understanding of the level of these chemicals in breast milk.
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Risk of Cancer in a Community Exposed to Per- and Poly-Fluoroalkyl Substances
Science
20 Feb 2022 | Environ Health Insights
Merrimack residents experienced a significantly higher risk of at least 4 types of cancer between 2005 and 2014 which may be linked to PFAS-contaminated drinking water.
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Insights into the effects of salinity on the sorption and desorption of legacy and emerging per-and polyfluoroalkyl substances (PFASs) on marine sediments
Science
16 Feb 2022 | Environ Pollut
The desorption rate of PFAS from marine sediment decreases with increased perfluorocarbon chain length of PFAS and increased sediment salinity.
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Concentrations of per- and polyfluoroalkyl substances (PFAS) in human placental tissues and associations with birth outcomes
Science
15 Feb 2022 | Chemosphere
All tested placenta samples contained detectable PFAS, including PFOS, PFOA, PFNA, and PFDA in >96% samples, and placental PFOS was associated with lower birth weight for in male infants and higher birth weight in female infants.
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What products to look out for in your home that might include 'forever chemicals'
News
3 Feb 2022 | The Hill
PFOA and PFOS from consumer products is low in comparison to exposure from contaminated drinking water, the agency does provide a list of some products that may contain PFAS
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CDC study finds higher-than-average PFAS blood levels in residents near New Castle Air National Guard Base
News
2 Feb 2022 | WHYY News
In 2014, the drinking water supply in the area was found to contain PFAS levels above Environmental Protection Agency standards.
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Gestational exposure to GenX induces hepatic alterations by the gut-liver axis in maternal mice: A similar mechanism as PFOA
Science
1 Feb 2022 | Sci Total Environ
Gestational exposure to PFOA or GenX induced similar disease indicator changes in maternal livers.