Workers' Silica Exposure at Fracking Sites Far Exceeds OSHA Limit, NIOSH Study Finds
http://www.bna.com/workers-silica-exposure-n17179875594/
"The concentration of silica in the air workers breathe exceeded occupational health criteria at all 11 hydraulic fracturing sites tested by the National Institute for Occupational Safety and Health, the American Industrial Hygiene Association announced July 31."
Saturday, August 3, 2013
Workers' Silica Exposure at Fracking Sites Far Exceeds OSHA Limit, NIOSH Study Finds
Posted on 1:20 PM by Unknown
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