The following businesses are registered with DHEC Class I - Direct Sale and transfer of radiation machines and machine components Class II - Installation or Servicing of Radiation Machines and Associated Companies Class II-A - Installation of Radiation Machines and Associated Machine Components Class II-B - Servicing of Radiation Machines and Associated Machine Components Class II-C - Perform "Equipment Performance Tests" as outlined in RHB 4.2.16 Class III - Diagnostic radiographic facility and shielding design Class IV - Diagnostic fluoroscopic facility and shielding design Class V - Diagnostic area radiation survey, e.g., shielding evaluation Class VI - Radiation Instrument Calibration Class VII - Therapeutic facility and shielding design, area radiation surveys, or calibration Class VIII - General health physicsconsulting, non-healing arts Class IX - General health physics consulting, healing arts Class M - Miscellaneous Tags Facilities Health Regulations & Licensing