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Records Series Descriptions
Lawrence Livermore National Laboratory

Lawrence Livermore National Laboratory (LLNL) 
 
  SERIES TITLE      Records Relating to Interlaboratory 
                    Comparison of Human Subjects 
 
  INCLUSIVE DATES   1972 1976 
 
  ARRANGEMENT  None 
 
  VOLUME  1.5 cubic feet 
 
  DESCRIPTION  This series contains information on the 
               inter-laboratory comparison of three British  
               subjects (all male) who inhaled palladium-103 (as 
               a "mock" plutonium) and chromium-51. Subjects were 
               counted by at least eight laboratories in the 
               U.S., including LLNL.  The overall purpose of this 
               experiment was to improve methods of in vivo 
               bioassay  for accidentally inhaled long-lived 
               isotopes. An additional purpose was to establish  
               analyses capabilities on an international level. 
               The experiment was especially notable  as there 
               had been a significant problem in conducting 
               accurate external measuring  of heavy elements, 
               particularly plutonium, in the human lung. The 
               series documents  the experiments and the 
               measurement of the human subjects, which took 
               place  1972 1976. Most of the series is comprised 
               of scientific data relating to measurements taken 
               on the subjects at LLNL and to subsequent 
               analyses. Type of records  included in the series 
               are calibration data, tables, graphs, charts, 
               handwritten notes,  correspondence, memorandums, 
               reports, draft reports, and technical reference  
               material. The correspondence, in part, represents 
               a discussion with other laboratories  about the 
               importance and uniqueness of this experiment. 
 
  RESTRICTIONS  This series contains privacy material.  
 
  LOCATION OF RECORDS      Lawrence Livermore National Laboratory  
                         Building 253, Room 1717  Berkeley, CA 
                         94720