BS EN ISO 20553:2017

1   Scope This International Standard specifies the minimum requirements for the design of professional programmes to monitor workers exposed to the risk of internal contamination by radioactive substances and establishes principles for the development of compatible goals and requirements for monitoring programmes. This International Standard addresses the

       a)  purposes of  monitoring  and of  monitoring  programmes; 
   
   
     
       b)  description of the different categories of  monitoring  programmes; 
   
   
     
       c)  quantitative criteria for conducting  monitoring  programmes; 
   
   
     
       d)  suitable methods for  monitoring  and criteria for their selection; 
   
   
     
       e)  information that has to be collected for the design of a  monitoring  programme; 
   
   
     
       f)  general requirements for  monitoring  programmes (e.g.  detection limits , tolerated uncertainties); 
   
   
     
       g)  frequencies of measurements; 

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