This Report was developed under the auspices of Program Area Committee 2 of the National Council on Radiation Protection and Measurements (NCRP), the committee that is concerned with operational radiation safety. The Report addresses the structural shielding design for medical x-ray imaging facilities and supersedes the parts that address such facilities in NCRP Report No. 49, Structural Shielding Design and Evaluation for Medical Use of X Rays and Gamma Rays of Energies Up to 10 MeV, which was issued in September 1976. A second NCRP report is in preparation under the auspices of Program Area Committee 2 that will update the parts of NCRP Report No. 49 that address structural.
