oil and gas industry / Approval applications / communications system / Wireless communications systems / large steel structures / protective equipment / thermal imaging capability / underground coal mining operations / rechargeable systems / mine site / mine operator / communication systems / communications systems / mine equipment / Ceramic devices / mining / devices / primitive systems / basic equipment / underground mining / beta test site / digital telephone system / seismic and drilling systems / emergency drilling equipment / robotic systems / coal mining operations / food / battery backup systems / gas readings / /
Organization
Mine Safety & Health Administration office of Standards / Variance & Regulations / Bureau of Mines / /
Person
David Hales / /
Position
miner / Director / Assistant Secretary / Safety Superintendent San Juan Coal Company AB44-COMM-42 Our comments / /
Mine Safety and Health Administration (MSHA) - Comments on Public Rule Making – 06-722 – RFI - Underground Mine Rescue Equipment and Technology