HEALTH PHYSICS AND RADIATION PROTECTION 



105 



some time. The attention given to radioactive-waste disposal has been 

 due to its uniqueness rather than its magnitude. 



Instrumentation for Radiation Protection. All discussions of instru- 

 ments will be limited to those commercially available. There are a con- 

 siderable number of manufacturers now supplying a great variety of 

 instruments for radioactivity measurements, and listings and catalogues 

 are available through the usual channels (51). The uninitiated should 

 purchase instruments from a reliable manufacturer. It will be assumed 



Fig. 3-6. Typical health-physics instrunicuts: A, portable beta-gaiuina count-rate 

 meter with glass counter tube of about SO-mg/cm^ thickness; B, line-operated beta- 

 gamma count-rate meter with thin-mica-window tube; C, Cutie Pie ionization survey 

 meter; D, film badge; E, pocket dosimeter. 



that no particular experience on the part of the investigator will be 

 required to operate the instrument following the manufacturer's direc- 

 tions. Electronic instruments will get out of order. Minor adjustments 

 and the replacement of tubes or batteries may be undertaken by the 

 investigator, depending on his aptitude. The necessity for more com- 

 plex electronic repair should be anticipated, and it is wise to have at least 

 two of each of the major units so that the work can be carried on during 

 the time required for repair. 



For simplicity, only one of each type of instrument required for a partic- 

 ular job will be mentioned — one that has been found adequate in our per- 

 sonal experience. This is not meant to disapprove or cast aspersion on 

 any other type or specific instrument. Figure 3-6 shows several typical 

 survey instruments. Other equipment for monitoring radiation has been 

 described in references (7, 53). 



