30 CFR 77.1901-1 - Methane and oxygen deficiency tests; approved devices.

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

View all text of Subpart T [§ 77.1900 - § 77.1916]

§ 77.1901-1 - Methane and oxygen deficiency tests; approved devices.

Tests for oxygen deficiency shall be made with a permissible flame safety lamp or other means approved by the Secretary, and tests for methane shall be made with a methane detector approved by the Secretary.