The operator shall maintain a record of all examinations conducted in accordance with § 75.812 . Such record shall be kept in a book approved by the Secretary.
30 C.F.R. §75.812-2
The operator shall maintain a record of all examinations conducted in accordance with § 75.812 . Such record shall be kept in a book approved by the Secretary.
30 C.F.R. §75.812-2