From the Washington Post:
Scientists working for the chromium industry withheld data about the metal's health risks while the industry campaigned to block strict new limits on the cancer-causing chemical, according to a scientific journal report published yesterday.
The allegations, by researchers at George Washington University and the Washington-based Public Citizen Health Research Group, are based on secret industry documents obtained by the authors. They come just days before the Occupational Safety and Health Administration is to announce its new standard for workplace exposure to hexavalent chromium -- a known carcinogen handled by 380,000 U.S. workers in the steel, aerospace, electroplating and other industries. Documents in the report, published in the peer-reviewed online journal Environmental Health, show that the industry conducted a pivotal study that found a fivefold increase in lung cancer deaths from moderate exposures to chromium but never published the results or gave them to OSHA. Company-sponsored scientists later reworked the data in a way that made the risk disappear.
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Public Citizen (one of the best public interest organization's out there) helped research the report and a link to their website with more information can be found by clicking here.