Drinking water in 35 American cities contains large amounts of likely carcinogen

Image via WikipediaA US environmental group has found that drinking water in 35 American cities contains hexavalent chromium, a probable carcinogen, The Washington Post reported Sunday.

The study by the Environmental Working Group -- the first nationwide analysis measuring the presence of the chemical in US water systems -- is to be made public on Monday, the daily reported.

The group found hexavalent chromium in the tap water of 31 out of 35 cities sampled. Of those, 25 had levels that exceeded the goal proposed in California, which has been trying aggressively to reduce the chemical in its water supply.

The federal Environmental Protection Agency is considering whether to set a limit for hexavalent chromium in tap water. The agency is reviewing the chemical after the National Institutes of Health, deemed it a "probable carcinogen" in 2008.

Hexavalent chromium has long been known to cause lung cancer when inhaled, and scientists recently found evidence that it causes cancer in laboratory animals when ingested. It has been linked in animals to liver and kidney damage as well as leukemia, stomach cancer and other cancers. More...

Illness afflicting workers exposed to BP's oil disaster has a name: TILT

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TILT: The illness afflicting workers exposed to BP's oil disaster?
Workers cleaning up the BP oil disaster in the Gulf of Mexico have reported suffering from flu-like symptoms that may be the consequence of exposure to chemicals in the oil as well as the petroleum-derived solvent being used to disperse the spill.

The illness -- marked by headaches, fatigue, upset stomach, and problems with memory and concentration -- has been dubbed toxicant-induced loss of tolerance, or TILT. People suffering from TILT lose the ability to tolerate exposures to household chemical products, medication or even food, Dr. Claudia Miller of the University of Texas Health Science Center told WOAI TV:

"Things like diesel fuel, exposure to fragrances, cleaning agents that never bothered them before suddenly bother them," adds Dr. Miller.

Miller first described TILT in 1996, but it remains a controversial diagnosis among the medical community. The syndrome is also known as multiple chemical sensitivity and idiopathic environmental intolerance. The National Institute of Environmental Health Sciences, a division of the National Institutes of Health, has defined the illness as a "chronic, recurring disease caused by a person's inability to tolerate an environmental chemical or class of foreign chemicals."

Regardless of whether the illness being reported in Gulf cleanup workers and residents ends up being confirmed as TILT, the fact remains that the chemicals people are being exposed to in the oil and dispersants are known to have health impacts including eye, skin and respiratory irritation, as well as headaches, dizziness, weakness, nausea and confusion. An analysis of EPA air testing data has found levels of these chemicals in coastal communities exceeding safety standards.

As of this week, the Louisiana Department of Health has documented 109 reports of illnesses among residents exposed to the spill, with 74 of those complaints coming from cleanup workers, according to ProPublica. In Alabama, another 19 cases of illness have been reported among people exposed to chemicals in the spill. More...