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Environmental 14C Levels Around the 632 MWe Nuclear Power Plant Krško in Yugoslavia

  • Bogomil Obelić (a1), Inks Krajcar-Bronić (a1), Dušan Srdoč (a1) and Nada Horvatinčić (a1)

Abstract

Measurements of 14C activity of atmospheric CO2, vegetables, and tree rings in the area of the 632 MWe power plant Krško in Slovenia, NW Yugoslavia, have been in progress since January, 1984. Sampling stations are located in the area ca 400km2 and are distributed in the direction of the prevailing westerly winds. The closest sampling point is 1.5km NE of the plant exhaust stack, the farthest sampling point is 30km E of the plant. A sampling site at National Park Plitvice in central Croatia was chosen as the 14C reference point not affected by the power plant.

An average excess of 2.2% above the reference point activity during normal periods of reactor operation was observed 1.5km from the plant smokestack. Calculations of the 14C release from the power plant was estimated at 0.1 TBq/a. The tree ring activity near the plant followed the 14C activity of the Northern Hemisphere in the past decade. No influence of the power plant release was observed on the tree ring activity.

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Copyright

References

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FSAR, 1981, Final safety analysis report, part 2: Site characteristics: Nuclear Power Plant Krško.
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Environmental 14C Levels Around the 632 MWe Nuclear Power Plant Krško in Yugoslavia

  • Bogomil Obelić (a1), Inks Krajcar-Bronić (a1), Dušan Srdoč (a1) and Nada Horvatinčić (a1)

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