[Code of Federal Regulations] [Title 10, Volume 1] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR36.27] [Page 615] TITLE 10--ENERGY CHAPTER I--NUCLEAR REGULATORY COMMISSION PART 36_LICENSES AND RADIATION SAFETY REQUIREMENTS FOR IRRADIATORS --Table of Contents Subpart C_Design and Performance Requirements for Irradiators Sec. 36.27 Fire protection. (a) The radiation room at a panoramic irradiator must have heat and smoke detectors. The detectors must activate an audible alarm. The alarm must be capable of alerting a person who is prepared to summon assistance promptly. The sources must automatically become fully shielded if a fire is detected. (b) The radiation room at a panoramic irradiator must be equipped with a fire extinguishing system capable of extinguishing a fire without the entry of personnel into the room. The system for the radiation room must have a shut-off valve to control flooding into unrestricted areas.