Industry questions OSHA's science behind proposed silica rule

03/21/2014 | Bloomberg BNA (free content)

The Occupational Safety and Health Administration's proposal to reduce the permissible exposure limit for silica lacks scientific justification, said scientists and researchers representing the American Chemistry Council and the U.S. Chamber of Commerce. The agency used data from studies that supported its claims and ignored those that didn't, Tony Cox, a risk assessment specialist representing ACC, said during a hearing Wednesday. It also failed to address causality between silica and silicosis, he said.

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