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14C Traced in Kraków After the Chernobyl Accident

  • Tadeusz Kuc (a1)

Abstract

Results of the 14C measurements in atmospheric CO2 in the first half of 1986 are presented. CO2 samples were systematically collected in Krakow in two-week cycles and, after conversion to benzene, measured in a liquid scintillation spectrometer. 14C activity and 13C/12C ratio are reported as δ14C and δ13CPDB, respectively. For about three weeks after April 26, 1986 (the Chernobyl accident) an increase of ∼9% above the normal level for Krakow was observed. A rough estimate of the 14C release to the lower atmosphere during the accident gave a value 900 Ci, which is ∼1.8 × 10−5 of the total activity released to the atmosphere.

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References

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Duliński, M, Florkowski, T, Grabczak, J, Janczyszyn, J, Kalita, S, Kuc, T, Morawska, L and Rózański, K, in press, Tracing of the radioactive cloud in Krakow after the Chernobyl nuclear accident: Acta Geophys Polonica.
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Kuc, T, 1986, Carbon isotopes in atmospheric CO2 of the Krakow region: A two-year record, in Stuiver, M and Kra, RS, eds, Internatl 14C conf, 12th, Proc: Radiocarbon, v 28, no. 2A, p 649654.
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USSR technical report on the Chernobyl accident presented at conf of IAEA experts, Vienna, Aug 26–29, 1986: USSR State Committee on the Utilization of Atomic Energy, first part.

14C Traced in Kraków After the Chernobyl Accident

  • Tadeusz Kuc (a1)

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