30 C.F.R. § 75.1106-1 Test for methane.
Title 30 - Mineral Resources
Until December 31, 1970, a permissible flame safety lamp may be used to make tests for methane required by the regulations in this part. On and after December 31, 1970 a methane detector approved by the Secretary shall be used for such tests and a permissible flame safety lamp may be used as a supplemental testing device. A person qualified to test for methane under §75.151 will be a qualified person for the purpose of this section. Transportation, Handling and Storage of Liquefied and Nonliquefied Compressed Gas Cylinders
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart L—Fire Protection
§ 75.1106-1 Test for methane.
