S.C. Code Regs. § § 89-240
The Department, by and through its accredited representatives, may conduct inspections and investigations of the permitted area at any reasonable time for the purposes of determining whether the operator has complied with the reclamation plan, the requirements of the Mining Act, any rules and regulations promulgated thereunder, and the terms and conditions of the Certificate of Exploration or operating permit. Prior to or at the time of such inspection or investigation, the Department's accredited representative shall notify the explorer or operator by any appropriate method that an inspection is to be conducted. The accredited representative shall comply with the regulations of the Mine Safety and Health Administration when conducting inspections pursuant to this regulation.
S.C. Code Regs. § 89-240