Imerys, Wisconsin Proppants Win NIOSH Technology Awards

The National Institute for Occupational Safety and Health (NIOSH) Mining Program, in conjunction with the National Mining Association (NMA), the National Stone, Sand and Gravel Association (NSSGA), and the Industrial Minerals Association–North America (IMA-NA), recognized the efforts of four organizations in their respective industry sectors for developing new tools and systems, or for using existing technology in new ways.

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