Showing 4141-4155 of 4702
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Profiles of Emerging and Legacy Per-/Polyfluoroalkyl Substances in Matched Serum and Semen Samples: New Implications for Human Semen Quality
Science
25 Dec 2019 | Environ. Health Perspect.
Exposure to 6:2 Cl-PFESA and other PFAS associated with poor semen quality.
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Perfluoroalkyl substances and likelihood of stroke in persons with and without diabetes
Science
25 Dec 2019 | Diab Vasc Dis Res.
PFAS exposure was found not to increase the risk of stroke in people with diabetes.
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Federal bill tackles toxic PFAS chemicals ground water but food packaging still a concern
News
19 Dec 2019 | Komo News
Under the new bill, the military will phase out the use of PFAS over three years. Biophysical Chemist Arlene Blum, executive director of the Green Science Policy Institute, says it's a big first step.
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Researchers find high levels of PFAS chemicals in rainwater in United States
News
18 Dec 2019 | The Weather Channel
Most of the samples had PFAS concentrations of less than 1 ng/l, or 1 ppt, but several were about 4 ng/l. The highest total concentration was nearly 5.5 ng/l in a sample from Massachusetts. For drinking water, some states have proposed setting the level at which some type of official action is required at 2 nanograms per liter.
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U.S. EPA releases new analytical method for PFAS in drinking water
Science
18 Dec 2019 | U.S. EPA
The new validated Method 533 focuses on short chain PFAS, those with carbon chain lengths of 4-12. Using it in combination with existing Method 537.1, both government and private laboratories can now effectively measure 29 PFAS in their drinking water.
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A 'forever chemical' contaminates drinking water near military bases
News
16 Dec 2019 | NBC News
Communities nationwide have found levels of PFAS in their water hundreds, sometimes thousands, of times higher than the level recommended by the EPA.
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Massachusetts regulators issue new standards for toxins
News
15 Dec 2019
Under Massachusetts’ new regulations, polluters must clean up contaminated soil and groundwater if the total concentration of six chemicals in PFAS reaches 20 ppt. The new standards are slated to go into effect Dec. 27.
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[IATP Blog] Maine’s plan to address “forever chemicals” polluting farms, water and food
News
13 Dec 2019
Virtually all sludge has tested positive for PFOA and/or PFOS, generally two to three times the State’s screening level of 50 ppt, with some results as high as 20 times this level.
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How PFAS negotiations fell apart
News
13 Dec 2019 | E&E News
Before Democrats managed to secure provisions to address a class of toxic chemicals in an annual defense measure, negotiations fell apart at the hands of their own members... "The American Chemistry Council probably has something to do with it," Rep. Jared Huffman (D-Calif.) told reporters.
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Michigan starts collecting firefighting foam containing PFAS
News
13 Dec 2019 | Michigan Radio
After the foam is picked up, it will be shipped to a facility in Idaho. There it will be solidified and placed in a licensed hazardous waste landfill.
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Michigan starts collecting firefighting foam containing PFAS
Policy
13 Dec 2019
After the foam is picked up, it will be shipped to a facility in Idaho. There it will be solidified and placed in a licensed hazardous waste landfill.
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DuPont made billions polluting tap water with PFAS; will now make more cleaning it up
News
12 Dec 2019 | EWG News
DuPont announced on Wednesday it will purchase Desalitech Ltd., a manufacturer of closed-circuit reverse osmosis technology. Reverse osmosis is one of the most expensive water filter technologies on the market, but it can remove many fluorinated chemicals, known as PFAS.
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PFAS and Health: Troublesome, ubiquitous chemicals to be examined at YSPH Symposium
News
12 Dec 2019 | Yale School of Public Health
On December 13, 2019 the Department of Environmental Health Sciences at the Yale School of Public Health will host a symposium on chemicals known as PFAS.
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[Peer-review] Draft NTP Technical Reports on Toxicology and Carcinogenesis Studies of HMB and PFOA
Events
12 Dec 2019
NTP is holding a peer-review of draft Technical Reports on toxicology and carcinogenesis studies of HMB and PFOA and will hold a webcast on Dec. 12, 2019 at 10 AM Eastern (Registration is required). Written comments are due on Nov. 20, 2019. Oral comment registration deadline is Dec. 3, 2019.
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Hierarchically porous polymer coatings for highly efficient passive daytime radiative cooling
Science
11 Dec 2019 | Science
PFAS were used to develop reflective coatings used to keep buildings cool.