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Monitoring Radionuclides in the Atmosphere over the Czech Republic after the Fukushima Nuclear Power Plant Accident

Result description

This paper presents the results of atmospheric radioactivity monitoring over the Czech Republic, as obtained by the Radiation Monitoring Network, following the Fukushima Dai-Ichi Nuclear Power Plant accident. Maximum values for 131I were 5.6 mBq/m3 in aerosol form and 13 mBq/m3 in gaseous form. The maximum values for 134Cs and 137Cs were 0.64 and 0.72 mBq/m3, respectively. The estimated effective half-time for removing the activity from the atmosphere was 6–7 d and 3.5 d for caesium and iodine, respectively. The gaseous-to-total activity ratios of 131I ranged between 0.3 and 0.9, with an arithmetic mean value of 0.77. The mean value for the 134Cs/137Cs ratios was close to 1.0. The effective inhalation dose due to the accident for an adult living in the Czech Republic was estimated at <0.00004 mSv, out of which the proportion of 131I was 88 %.

Keywords

radionuclides in the atmosphereeffective half-lifeFukushima NPP accident

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    Monitoring Radionuclides in the Atmosphere over the Czech Republic after the Fukushima Nuclear Power Plant Accident

  • Original language description

    This paper presents the results of atmospheric radioactivity monitoring over the Czech Republic, as obtained by the Radiation Monitoring Network, following the Fukushima Dai-Ichi Nuclear Power Plant accident. Maximum values for 131I were 5.6 mBq/m3 in aerosol form and 13 mBq/m3 in gaseous form. The maximum values for 134Cs and 137Cs were 0.64 and 0.72 mBq/m3, respectively. The estimated effective half-time for removing the activity from the atmosphere was 6–7 d and 3.5 d for caesium and iodine, respectively. The gaseous-to-total activity ratios of 131I ranged between 0.3 and 0.9, with an arithmetic mean value of 0.77. The mean value for the 134Cs/137Cs ratios was close to 1.0. The effective inhalation dose due to the accident for an adult living in the Czech Republic was estimated at <0.00004 mSv, out of which the proportion of 131I was 88 %.

  • Czech name

  • Czech description

Classification

  • Type

    Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    DL - Nuclear waste, radioactive pollution and control

  • OECD FORD branch

Result continuities

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Radiation Protection Dosimetry

  • ISSN

    0144-8420

  • e-ISSN

  • Volume of the periodical

    163

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    7

  • Pages from-to

    226-232

  • UT code for WoS article

    000350116400012

  • EID of the result in the Scopus database

Basic information

Result type

Jx - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

Jx

CEP

DL - Nuclear waste, radioactive pollution and control

Year of implementation

2015