Tritium and carbon-14 concentrations around an incinerator for radioactive liquid scintillator waste

T. Kaji, K. Utsunomiya, S. Sugihara, N. Momoshima, S. Osaki, Y. Takashima

研究成果: ジャーナルへの寄稿学術誌査読

抄録

Activity measurements of 3H and 14C in several environmental samples around the incinerator for radioactive liquid scintillator waste at the Radioisotope Center, Kyushu University were carried out to estimate their levels. It was indicated that 3H and 14C concentrations in the atmosphere at 1 m from the outlet were about 0.2% of those estimated at the outlet, respectively. At 6 m away from the outlet, 3H concentration decreased to about one twentieth of that at 1 m and 14C concentration to background level. For soils and plants, 14C concentrations showed negligibly low values. The existence of these nuclides in particle form was not confirmed. It is considered that the result of the higher 3H concentrations as compared to 14C concentrations reflects not only the difference of the waste amounts of their nuclides, but also the discharge of 3H as moisture as well as water vapor.

本文言語英語
ページ(範囲)597-600
ページ数4
ジャーナルRadioisotopes
36
11
DOI
出版ステータス出版済み - 11月 1987

!!!All Science Journal Classification (ASJC) codes

  • 放射線

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