Robert C. Byrd Mine and Workplace Safety and Health Act of 2012

[AI summary unavailable — showing source text] Robert C. Byrd Mine and Workplace Safety and Health Act of 2012 - Amends the Federal Mine Safety and Health Act of 1977 (this Act) to require the Secretary of Labor (Secretary), in conducting health and safety related accident investigations in coal or other mines, to: (1) determine why an accident occurred and whether there were violations of law, mandatory health and safety standards, or other requirements; (2) issue citations and penalties in case of violations, and in cases involving possible criminal actions, refer them to the Attorney General; and (3) make recommendations to avoid any recurrence. Requires an independent accident investigation by an independent panel appointed by the Secretary of Health and Human Services (HHS) for any accident: (1) involving three or more deaths; or (2) whose severity or scale merits an independent investigation. Authorizes: (1) the Secretary's representatives and attorneys to question any individual privately during an inspection or investigation; and (2) any individual willing to speak with or provide a statement to such representatives or attorneys to do so without the presence, involvement, or knowledge of the mine operator or mine operat…