Keywords: Secretary Thomas E. Perez listening to retired coal miner Kenneth Dangerfield.jpg Thomas E Perez listend to retired coal miner Kenneth Dangerfield right following the announcement of the rule about coal dust which causes http //www druzestudies org/2016/03/26/choosing-a-personal-injury-lawyer personal injuries to labors at National Institute of Occupational Saftey and Health NIOSH in Morgantown West Virginia 2014-04-23 12 33 15 https //www flickr com/photos/usdol/13984436711/ US Department of Labor other versions 38 89305555 -77 014444433333 PD-USGov National Institute for Occupational Safety and Health United States Department of Labor Thomas Perez in 2015 |