Rynek pracy · 24.04.1996

Mine Shift Atmospheric Conditions; Respirable Dust Sample

The Mine Safety and Health Administration (MSHA) and the National Institute for Occupational Safety and Health (NIOSH) will hold a public hearing to receive comments on the joint notice proposing a finding that the average concentration of respirable dust, to which each miner in the active workings of a coal mine is exposed, can be measured accurately over a single shift. The hearing will be held in Washington, D.C.