Title 30

SECTION 77.1901-1

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

§ 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.