News tagged with pcbs
Recyclable printed circuit boards
The National Physical Laboratory (NPL), along with partners In2Tec Ltd (UK) and Gwent Electronic Materials Ltd, have developed a printed circuit board (PCB) whose components can be easily separated by immersion in hot water. ...
Jun 01, 2012 |
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Plant growth without light control: Synthetic photoreceptor stimulates germination and development
Plants are dependent on the sun. Sunlight does not only supply them with energy, but also controls their development steps. So-called photoreceptors activate the processes of germination, leaf development, ...
May 16, 2012 |
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Researchers identify how PCBs may alter in utero, neonatal brain development
In three new studies — including one appearing online today in the Public Library of Science - Biology (PLoS - Biology) — UC Davis researchers provide compelling evidence of how low levels of polychlorinated biphenyls (PC ...
Apr 14, 2009 |
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Reduced bone density, stunted growth in turtles exposed to common chemical
Manufactured until 1977, and banned by the Environmental Protection Agency in 1979, pentachlorobiphenyls (PCBs) are chemicals still commonly found in the environment because they break down slowly. Now, a ...
Nov 16, 2011 |
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GE: Limit PCB contamination during Hudson dredging
(AP) -- General Electric Co. on Monday proposed a halting further dredging of the Hudson River if PCBs churned up by the work spread too much pollution downriver during the second phase of an ongoing cleanup.
Mar 08, 2010 |
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In midst of river cleanup, supporters are divided
(AP) -- Once a dumping ground for chemicals, a stretch of the Housatonic River that winds near this Berkshires hamlet is being scoured in a lengthy, expensive cleanup. Now, dredging other parts of the riverbed ...
Jul 26, 2010 |
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EPA tells schools to test aging caulk for PCBs
(AP) -- Hundreds of school buildings across the United States have caulk around windows and doors containing potentially cancer-causing PCBs, the Environmental Protection Agency says.
Sep 28, 2009 |
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PCBs levels down in Norwegian polar bears
It's never been easy to be a polar bear. They may have to go months without eating. Their preferred food, seal, requires enormous luck and patience to catch. Add to that the melting of Arctic sea ice due to climate change, ...
Mar 29, 2012 |
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Zeroing in on more powerful enzymes for degrading persistent pollutants
For the first time, researchers have identified two important strategies for optimizing the effects of the enzymes involved in degrading persistent pollutants such as PCBs. These scientific advances, achieved by Professor ...
Nov 16, 2011 |
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UI engineers conduct residential soils study, one of few such US studies ever done
University of Iowa engineers have published their findings from a study of residential soils in the city of Cedar Rapids, making it one of only a few such U.S. urban soil studies ever conducted.
Nov 29, 2011 |
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Phase 1 of PCB removal on Hudson wrapping up
(AP) -- Crews dredging a polluted stretch of the upper Hudson River this year battled high water, old logging debris and unexpected levels of PCB contamination that slowed progress.
Oct 11, 2009 |
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