@book{b5c9871e79ee434e889cecfacb58706e,
title = "Radioactivity in the Ris{\o} District July-December 2013",
abstract = "The environmental surveillance of the Ris{\o} environment was continued in July - December 2013. The mean concentrations in air were: 0.20±0.08 μBq m–3 of 137Cs, 2.23±0.64 μBq m–3 of 7Be and 0.16±0.08 μBq m–3 of 210Pb (±1 S.D.; N = 26). The depositions by precipitation at Ris{\o} in the second half of 2012 were: 0.048 Bq m–2 of 137Cs, 436 Bq m–2 of 7Be, 31.3 Bq m–2 of 210Pb and < 0.7 kBq m–2 of 3H. The average background dose rate (TLD) at Ris{\o} (Zone I) was 44 nSv h–1 compared with 43 ± 9 nSv h–1 (±1 S.D.; N = 4) in the four zones around Ris{\o}.",
keywords = "DTU-Nutech-R-0008(EN), DTU-Nutech-R-0008, DTU-Nutech-R-8",
author = "Nielsen, \{Sven Poul\} and Andersson, \{Kasper Grann\} and Arne Miller",
year = "2014",
language = "English",
series = "DTU-Nutech-R",
publisher = "DTU Nutech",
number = "0008(EN)",
}