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Records Series Descriptions
Argonne National Laboratory

Argonne National Laboratory 
 
SERIES TITLE Health Effects of Exposure to Internally Deposited Radioactivity:  
             Occupational Exposure to Thorium Subseries 
 
 
INCLUSIVE DATES ca. 1935 ca. 1985 
 
 
ARRANGEMENT Subject Numerical (case files) 
 
 
VOLUME approximately 20 cubic feet 
 
 
DESCRIPTION 
These records contain information on the follow-up study of thorium deposited in 
humans where exposure was incidental to thorium refining and gas mantle manufacturing 
operations. This work was funded by the Nuclear Regulatory Commission 
under the title "Health Effects of Industrial Exposure to Thorium." The efforts of the 
Center for Human Radiobiology were similar to those described in the subseries 
Occupational and Iatrogenic Exposure to Radium and consequently the types of 
records are similar. Some specific differences were the absence of a full skeletal 
diagnostic x-ray examination, the absence of bone densitometry, and the addition of 
lung function testing. (See Health Effects of Exposure to Internal Radioactivity: 
Occupational and Iatrogenic Exposure to Radium Subseries) 
 
 
RESTRICTIONS This series contains privacy material.  
 
 
LOCATION OF RECORDS 
Argonne National Laboratory 
Environmental Research Division 
Building 202, Room A354 
Argonne, IL 60439