Radioactivity in the Risø District January-June 2020

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The environmental surveillance of the Risø environment was continued in January-June 2020. The mean concentrations in air were: 0.16±0.09 μBq m–3 of 137Cs, 2.62±0.85 mBq m–3 of 7Be and 0.10±0.05 mBq m–3 of 210Pb (±1 standard uncertainty). The depositions by precipitation at Risø in the first half of 2020 were: 0.029±0.003 Bq m–2 of 137Cs, 385±23 Bq m–2 of 7Be, 21.7±2.2 Bq m–2 of 210Pb and <0.5 kBq m–2 of 3H. The average background dose rate (TLD) at Risø (Zone I) was measured as 0.09 μSv h–1 compared with 0.09 μSv h–1 in the four zones around Risø.
Original languageEnglish
Place of PublicationRoskilde
PublisherTechnical University of Denmark
Number of pages29
ISBN (Electronic)978-87-93478-01-5
Publication statusPublished - 2020

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