§ 75.1107-12. Inerting of mine atmosphere prohibited.
33 words·~1 min read·
/us/cfr/t30/s§ 75.1107-12·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
No fire suppression device designed to control fire by total flooding shall be installed to protect unattended underground equipment except in enclosed dead-end entries or enclosed rooms. \[37 FR 15303, July 29, 1972\]