35.404—Surveys after source implant and removal.
        
        (a) 
         Immediately after implanting sources in a patient or a human research subject, the licensee shall make a survey to locate and account for all sources that have not been implanted.
    
    
        
        (b) 
         Immediately after removing the last temporary implant source from a patient or a human research subject, the licensee shall make a survey of the patient or the human research subject with a radiation detection survey instrument to confirm that all sources have been removed.
    
    
        
        (c) 
         A licensee shall retain a record of the surveys required by paragraphs (a) and (b) of this section in accordance with  § 35.2404.