It's here, OSHA has issued their new rule for silica dust. While the mention of any regulation is enough to inspire groans from employer and workers alike, you may not be as far from compliance as you ...

Reduces the permissible exposure limit (PEL) for respirable crystalline silica to 50 micrograms per cubic meter of air, averaged over an 8-hour shift (previous limit was 250 micrograms). Requires ...

Dust collection systems capture fugitive coal dust that would otherwise escape from the perimeter of equipment areas. Collected fugitive dust is fuel that should be delivered to the furnace and burned ...