MSHA Coal Mine Health: Designated Occupation Change Notice Mobile App
If it is determined by respirable dust samples collected during safety and health technical
How does it work?
inspections that an occupation, other than the designated occupation, has average dust concentrations which exceed the designated occupation, MSHA may change the designated occupation by notifying the operator in writing of such a change. The subdistrict office shall immediately complete a new “MMU/DA/DWP STATUS” form and enter the information into the AIS computer. The MSHA Coal Mine Health: Designated Occupation Change Notice mobile app includes step-by-step instructions and a description of how this form is to be used.