Potential of lichens for monitoring iodine-129 and chlorine-36

O. R. Daillant; A. Bernollin; M. Josset; K. L. Fifield

doi:10.1007/s10967-009-0110-y

Potential of lichens for monitoring iodine-129 and chlorine-36

O. R. Daillant, A. Bernollin, M. Josset, K. L. Fifield

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Chlorine-36 (half life 3.01 × 10⁵ year), a beta emitter, is produced naturally but its presence has been enhanced by atmospheric weapons testing and other nuclear activities. Iodine-129 has a half life of 1.57 × 10⁷ years and is also produced by nuclear activities, in particular fuel reprocessing. Many elements have a long biological half-life in lichens, which were thus investigated so as to assess their suitability for ³⁶Cl and ¹²⁹I monitoring. Lichens sampled between 1998 and 2008 were analysed for total chlorine, and selected samples were processed for ³⁶Cl measurement using Accelerator Mass Spectrometry (AMS); ¹²⁹I was analyzed by gamma spectrometry. Different aspects are discussed: long-term storage in lichens versus environmental mobility, levels in samples collected near a reprocessing facility, and potential for spatial and temporal monitoring.

Original language	English
Pages (from-to)	241-245
Number of pages	5
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	281
Issue number	2
DOIs	https://doi.org/10.1007/s10967-009-0110-y
Publication status	Published - Aug 2009

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title = "Potential of lichens for monitoring iodine-129 and chlorine-36",

abstract = "Chlorine-36 (half life 3.01 × 105 year), a beta emitter, is produced naturally but its presence has been enhanced by atmospheric weapons testing and other nuclear activities. Iodine-129 has a half life of 1.57 × 107 years and is also produced by nuclear activities, in particular fuel reprocessing. Many elements have a long biological half-life in lichens, which were thus investigated so as to assess their suitability for 36Cl and 129I monitoring. Lichens sampled between 1998 and 2008 were analysed for total chlorine, and selected samples were processed for 36Cl measurement using Accelerator Mass Spectrometry (AMS); 129I was analyzed by gamma spectrometry. Different aspects are discussed: long-term storage in lichens versus environmental mobility, levels in samples collected near a reprocessing facility, and potential for spatial and temporal monitoring.",

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T1 - Potential of lichens for monitoring iodine-129 and chlorine-36

AU - Daillant, O. R.

AU - Bernollin, A.

AU - Josset, M.

AU - Fifield, K. L.

PY - 2009/8

Y1 - 2009/8

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AB - Chlorine-36 (half life 3.01 × 105 year), a beta emitter, is produced naturally but its presence has been enhanced by atmospheric weapons testing and other nuclear activities. Iodine-129 has a half life of 1.57 × 107 years and is also produced by nuclear activities, in particular fuel reprocessing. Many elements have a long biological half-life in lichens, which were thus investigated so as to assess their suitability for 36Cl and 129I monitoring. Lichens sampled between 1998 and 2008 were analysed for total chlorine, and selected samples were processed for 36Cl measurement using Accelerator Mass Spectrometry (AMS); 129I was analyzed by gamma spectrometry. Different aspects are discussed: long-term storage in lichens versus environmental mobility, levels in samples collected near a reprocessing facility, and potential for spatial and temporal monitoring.

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KW - Lichens

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JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

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Potential of lichens for monitoring iodine-129 and chlorine-36

Abstract

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