Md. Code, Environment § 15–405

(a) If a mine disaster occurs, the proper State and federal inspection authorities shall be notified promptly. All facilities of the mine shall be made available for recovery operations.

(b) After a disaster, when the mine has been placed in condition to operate, an inspection of the entire mine shall be made by State and federal coal mine inspectors. If the inspection discloses any dangerous condition, the mine may not resume operation until the condition is corrected.