Mine rescue apparatus shall be acceptable to the MSHA or other approved agency and shall be properly maintained for immediate use. The equipment shall be tested at least once a month and records kept of the tests for at least one year.
4 Va. Admin. Code § 25-40-4062
Statutory Authority
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.