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DTU Findit

Report

Radioactivity in the Risø District January-June 2019

From

The Hevesy Laboratory, Center for Nuclear Technologies, Technical University of Denmark1

Radioecology and Tracer Studies, Center for Nuclear Technologies, Technical University of Denmark2

Center for Nuclear Technologies, Technical University of Denmark3

Radiation Physics, Center for Nuclear Technologies, Technical University of Denmark4

The environmental surveillance of the Risø environment was continued in January-June 2019. The mean concentrations in air were: 0.35±0.40 μBq m–3 of 137Cs, 3.48±1.41 mBq m–3 of 7Be and 0.27±0.16 mBq m–3 of 210Pb (±1 S.D.). The depositions by precipitation at Risø in the first half of 2019 were: 0.066±0.010 Bq m–2 of 137Cs, 480±48 Bq m–2 of 7Be, 32.3±2.9 Bq m–2 of 210Pb and 1.0±0.1 kBq m–2 of 3H.

The average background dose rate (TLD) at Risø (Zone I) was measured as 58 nSv h–1 compared with 56 ± 3 nSv h–1 (±1 S.D.) in the four zones around Risø.

Language: English
Publisher: DTU Nutech
Year: 2019
Series: Dtu-nutech-r
Types: Report
ORCIDs: Qiao, Jixin , Andersson, Kasper G. and Miller, Arne

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