Plutonium in the Environment, Proceedings of the Second by A. Kudo
By A. Kudo
...this quantity is a vital overview of the prestige of measurements of plutonium within the atmosphere. — J.M. Robin Hutchinson, Radiation Physics and Chemistry
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Additional resources for Plutonium in the Environment, Proceedings of the Second International Symposium
4% and specific power = 82 MW/t were assumed. 7 MW/t assumed. g Mark, J. , 1993. h Persiani, P. , 1997. 36 H. Yamaha et al. 88E+05 a Annual Limitation on Intake for workers (digestion) by ICRP Publication-32 (1990). bDefined by (specific activity)/(ingestion ALI). _~ E i-J 8. O O N N Fig. 2a. a-activity of various Pu sources. ) 9 o m Fig. 2b. Radiotoxicityof various Pu sources. The difference in the isotopic composition of Pu from the various sources results in a variety of properties of radioactivity (Table 4) such as big differences in the specific radioactivity, heat release, neutron emission and spontaneous fission rate.
65, 498--492. Seaborg, G. T. & Perlman, M. L. (1948). Search for elements 93 and 94 in nature. Presence of 94239 in pitchblende. J. Am. Chem. , 70, 1571-1573. Seeger, P. , Rokop, S. , Palmer, P. , Henderson, S. , Hobart, D. E. & Trewhella, J. (1997). Neutron resonance scanning shows specific binding of plutonium to the calcium-binding sites of the protein calmodulin and yields precise distance information. J. Am. Chem. , 119, 5118-5125. Taylor, D. M. (1972). Interactions between transuranium elements and the components of cells and tissues.
A significant part of this plutonium is probably not metabolised but rather associated with particles in the guts and adhering to the surface structure of the animals. One single bivalve sample showed a much higher level, which was probably due to a hot particle. In Table 2, average concentrations of plutonium in different groups of biota samples are given on a fresh weight basis. Furthermore, radiation doses from a highly hypothetical consumption are given as the number of kg (fresh weight) to be consumed to obtain 1 mSv from 239'240pu.