PCB Polychlorinated Biphenyls Breaking News
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General Electric workers sue Monsanto over PCBs
January 4, 2006 (abcnews.go.com)
KANSAS CITY, Missouri (Reuters) - More than 500 General Electric Co. employees have sued Monsanto Co. and two related companies, claiming they were exposed to toxic chemicals manufactured for decades by Monsanto, the company said Wednesday.
The product liability suit names Monsanto, Pharmacia, which is now owned by Pfizer Inc., and bankrupt Solutia Inc. and was filed in mid-December by 590 current employees of a General Electric plant in Schenectady, New York, said Monsanto spokesman Glynn Young.
The suit claims personal injury and fear of future disease related to contamination by polychlorinated biphenyls (PCBs), which were banned by Congress in 1978 and found to be harmful to human health.
Neighbors told PCB-tainted dirt will go
August 18, 2005 (The Olympian Online)
PCB-contaminated dirt mistakenly dumped at a Briggs-owned farm here could be removed within two weeks, officials announced Thursday at a meeting called by residents.
Pesticides May Do Away with Us Long Before They Kill Off the Insects We Hate
August 17th, 2005 (newsinferno.com)
According to a study by the National Institute of Occupational Safety and Health (NIOSH) the pesticides used to control the insects that attack our lawns, trees, and houses or cause itchy and painful bites can be far more dangerous to humans than the insects themselves.
Ex-PCB Treatment building gets OK from EPA
July 25th, 2005 (kansascity.bizjournals.com)
The former PCB Treatment Inc. building near Union Station cleared a final inspection from the Environmental Protection Agency on Monday.
EPA officials performed a rudimentary inspection of the site to verify that it complied with safety and cleanup standards ordered in 1987 for the mishandling of dangerous materials, said Pat O'Neill, a spokesman for the cleanup company.
Fat fuels PCB damage: diet influences toxic effects leading to heart disease
October 16th (http://www.Findarticles.com)
Polychlorinated biphenyls (PCBs) have been associated with cancer for decades. Since the late 1990s, evidence has also linked the pollutants to cardiovascular disease among workers with long-term exposure to PCBs in electrical equipment. Researchers now report that experiments on mice have shown that corn oil, which is common in U.S. diets, can magnify a PCB's damage to cells lining blood vessels.
Such damage can increase the buildup of artery-clogging fat in heart disease, report Bernhard Hennig of the University of Kentucky in Louisville and his colleagues in an upcoming Environmental Health. Perspectives.
In a 4-week experiment, Hennig's team fed one group of mice a diet high in corn oil. Another group received food high in olive off. On two occasions, the scientists injected each animal with a dose of a PCB known to damage vascular tissue. Two other groups of mice followed the diets but didn't receive the injections. All the mice had been genetically altered to have a tendency to develop clogged arteries, a precursor to heart disease.
At the end of the experiment, the researchers analyzed the animals' blood and tissues. Mice that had eaten corn oil and received the PCB had the greatest amount of fat in their arteries and the worst arterial-cell damage. Their artery, walls contained large amounts of adhesion molecules, which aid the buildup of fibrous tissue and fat in plaques.
Prenatal PCB exposure, the corpus callosum, and response inhibition - Children's Health
October 2003, (Http://www.findarticles.com)
The present study reports the association between prenatal exposure to polychlorinated biphenyls (PCBs), the corpus callosum, and response inhibition in children who are 4.5 years old. Children (n = 189) enrolled in the Oswego study were tested using a continuous performance test. We measured (square millimeters) the splenium of the corpus callosum, a pathway implicated in the regulation of response inhibition, using magnetic resonance imaging. Results indicated a dose-dependent association between cord blood PCBs and errors of commission. Splenium size but not other brain areas predicted errors of commission ([r.sup.2] = 0.20), with smaller size associated with more errors of commission. There was an interaction between splenium size and PCB exposure. The smaller the splenium, the larger the association between PCBs and errors of commission. If the association between PCBs and response inhibition is indeed causal, then children with suboptimal development of the splenium are particularly vulnerable to these effects. These data await replication. Key words: corpus callosum, impulsivity, inhibition, PCBs, polychlorinated biphenyls, splenium.
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