The toxic benzene even at very low doses

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According to a China-US study, benzene, even at low doses can lead to a decrease in the production of white blood cells and blood platelets in humans. have long been known harms of benzene on the body and that is why standards have been established to limit the levels of this molecule we found everywhere (tires, medicines, gasoline, etc.). In the US, legislation of 1987, established by the Occupational Safety and Health Administration (OSHA) requires an enterprise benzene limit of one part per million. Or work published in Science magazine point out that even below
this limit, benzene has an effect on blood cells. Chinese and US researchers followed two months during 16 handlers groups in China, one exposed to benzene,
the other not. At first, they were able to record a decrease in blood cell formation under a rate one part per million. These results immediately brings out the requests for revision of standards defined by OSHA. The leaders of the organization have meanwhile said they would examine with great care the new data. At the last census 1987, 200 000 more Americans are regularly exposed to benzene. NYT 04 / 12 / 04 (Broad study Suggests a lower tolerance for exposure to benzene)

http://www.nytimes.com/2004/12/04/science/04benzene.html

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