Secular Equilibrium of Radium in Western Coal

  • V. R. Casella
  • J. G. Fleissner
  • C. E. Styron


Concentrations of radium-226, radium-228, and thorium-228 in coal from six Western states have been measured by gamma spectroscopy. The existence of secular equilibrium was verified for radium-226 and previously measured uranium-238 and also for radium-228 and thorium-228. The measured radionuclide concentrations for Western coal averaged about 0.3 pCi/g for radium-226 and 0.2 pCi/g for radium-228 and thorium-228. These average values are not greatly different from those in coal from other provinces of the United States.


Coal Sample Western State Secular Equilibrium Uranium Series Coal Utilization 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • V. R. Casella
    • 1
  • J. G. Fleissner
    • 1
  • C. E. Styron
    • 1
  1. 1.Mound FacilityMonsanto Research CorporationMiamisburgUSA

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