Showing 931-945 of 1056
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Reusable Functionalized Hydrogel Sorbents for Removing Long- and Short-Chain Perfluoroalkyl Acids (PFAAs) and GenX from Aqueous Solution
Science
3 Sep 2019 | ACS
New reusable filtration methods were developed to remediate PFAS-contaminated water.
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PFAS toxins found in drinking water throughout Southern California
News
3 Sep 2019 | The Orange County Register
Wells of nearly two dozen Southern California water agencies have reportable levels of PFAS, a chemical family increasingly linked to cancer, liver and kidney damage, thyroid disease, high cholesterol, low fertility, low birth weight and ulcerative colitis.
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University study questions safety of GenX-like chemicals
News
30 Aug 2019 | The Fayetteville Observer
The study found that various short-chain PFAS chemicals are widely detected in drinking water supplies. It also found that chemicals may harm both human and ecosystem health and that existing drinking water treatment approaches for the removal of long-chain PFAS are less effective for short-chain PFAS chemicals.
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Documents show 3M knew of dangers of PFAS chemicals, activist group says
News
28 Aug 2019 | Star Tribune
The Environmental Working Group released 20 3M documents as part of a timeline that demonstrate that the company knew for decades about and hid the dangers of PFAS... The earliest document dates to 1950.
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Combined spatial and retrospective analysis of fluoroalkyl chemicals in fluvial sediments reveal changes in levels and patterns over the last 40 years
Science
28 Aug 2019 | Env. Poll.
PFAS contamination from 1984-2013 was mapped using river sediment to understand long term pollution patterns due to changes in manufacturing.
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Global Priority Perfluoroalkyl Substances in Surface Waters:Establishing Baseline Levels on Regional Basis
Science
28 Aug 2019 | DiVA
Baseline levels of PFAS were determined worldwide to understand fluctuating contamination.
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State tightens contamination levels; SCV Water sets up testing
News
23 Aug 2019 | The Santa Clarita Valley Signal
The updated state [California] guidelines lower the current notification level from 14 ppt to 5.1 ppt for PFOA and from 13 ppt to 6.5 ppt for PFOS.
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California OEHHA's notification level recommendations for PFOA & PFOS
Policy
23 Aug 2019
OEHHA is recommending that the State Water Resources Control Board set the notification levels for PFOA and PFOS at the lowest levels at which they can be reliably detected in drinking water using currently available and appropriate technologies.
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Per- and Polyfluoroalkyl Substance Plasma Concentrations and Bone Mineral Density in Midchildhood: A Cross-Sectional Study (Project Viva, United States)
Science
21 Aug 2019 | Environ. Health Perspect.
PFAS exposure impairs bone development in children and effects their lifelong skeletal health.
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Plant Uptake of PFAAs Under a Maximum Bioavailability Scenario
Science
20 Aug 2019 | Environ. Toxicol. Chem.
PFAS accumulation in radish, carrots, and alfalfa found to be a potential source of human dietary exposure.
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Perfluoroalkyl substances (PFASs) in air-conditioner filter dust of indoor microenvironments in Greece: Implications for exposure
Science
19 Aug 2019 | Ecotox. and Env. Safety
Testing of indoor air found varying sources depending on location.
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Human exposure to per- and polyfluoroalkyl substances (PFAS) through drinking water: A review of the recent scientific literature
Science
18 Aug 2019 | Environmental Research
A review of PFAS contamination in drinking water.
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Emerging per- and polyfluoroalkyl substances (PFASs) in surface water and sediment of the North and Baltic Seas
Science
18 Aug 2019 | Science of The Total Environment
GenX found at levels three times higher than PFOS in the Baltic Sea.
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Michigan publishes first statewide study of PFAS in water supply
News
17 Aug 2019 | WJMN
Samples [were collected] from 1,723 public water systems statewide, such as community water supplies, schools on their own well, child care providers on their own well, and tribal water systems. 14 different PFAS compounds [were tested]. PFAS levels between 10 and 70 ppt were detected in roughly 3 percent of systems tested.
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Maine dairy farmer’s blood tests high for ‘forever chemicals’ from toxic sludge
News
16 Aug 2019 | York County Coast Star
Blood tests performed on Arundel dairy farmer Fred Stone show levels of the “forever chemicals” 20 times the national average more than two years after he and his wife stopped drinking the milk and water on the farm.