Missouri Code of State Regulations
Title 19 - DEPARTMENT OF HEALTH AND SENIOR SERVICES
Division 20 - Division of Community and Public Health
Chapter 10 - Protection Against Ionizing Radiation
Section 19 CSR 20-10.020 - Exemptions from Requirements of this Chapter

(A) Timepieces, instruments, novelties or devices containing self-luminous elements themselves. These timepieces, instruments, novelties or devices shall not be exempt if they are stored, used or handled in a quantity or fashion that an individual might receive a radiation dose exceeding the limits established in 19 CSR 20-10.040;

(B) Electrical equipment that produces radiation incidental to its operation for other purposes, providing the dose rate to the whole body at the point of nearest approach to this equipment when any external shielding is removed does not exceed 0.5 rem per year. The production testing or factory servicing of this equipment shall not be exempt;

(C) Radiation machines which cannot be used in a manner as to produce radiation (for example, X-ray machines or electrical equipment in storage or transport);

(D) Radioactive material being transported across a state in conformance with regulations of any federal agency having jurisdiction over safety in interstate transport;

(E) The use of radioactive sources licensed by the United States Nuclear Regulatory Commission to installations in Missouri; and

(F) Other sources of radiation that the department finds should be exempted as approved by the Committee on Radiation Control.