This standard is formulated for the purposes of enforcing Environment Protection Law of the People’s Republic of China and Law of the People’s Republic of China on Prevention and Control of Radioactive Pollution, protecting the environment, safeguarding the radiation protection and safety of professionals and the public. This standard specifies the technical and management specifications on radiation safety during the sales (including manufacturing) and use of electron linear accelerator industrial computed tomography. Appendixes A and B to this standard are normative and Appendixes C and D are referential. This standard is proposed by Department of Radiation Source Safety Regulation, MEP.