View all text of Subjgrp 217 [§ 75.1107 - § 75.1108]

§ 75.1107-12 - Inerting of mine atmosphere prohibited.

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]