How does MSHA define heavy duty equipment in the proposed regulation?
(a) Equipment that cuts or moves rock or coal; (b) Equipment that performs drilling or bolting functions; (c) Equipment that moves longwall components; (d) Self-propelled diesel fuel transportation units and self-propelled lube units; or (e) Machines used to transport portable diesel fuel transportation units or portable lube units. How does the proposed rule address light-duty equipment, such as pickup trucks? In the proposal, MSHA is seeking comments from the public on whether there are categories of light-duty equipment that contribute significantly to miner exposures to DPM that could feasibly be controlled as part of this rulemaking. What are the provisions concerning training of miners? MSHA proposes that all miners who are expected to be exposed to diesel exhaust emissions be trained annually in: • health risks associated with exposure to diesel particulate matter; • methods used to control diesel particulate matter concentrations; • identification of personnel responsible for m