The In vivo measurement of radiocaesium activity in lambs |
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| Institution: | 1. MAFF Food Science Division, Great Westminster House, Horseferry Rd, London SW1P 2AE, England;2. MAFF Fisheries Laboratory, Pakefield Road, Lowestoft, Suffolk NR33 0HT, England;3. NRPB Northern Centre, Hospital Lane, Cookridge, Leeds LS16 6RW, England;4. MAFF Central Veterinary Laboratory, Newhaw, Weybridge, Surrey KT15 3NB, England;1. Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, BE1410, Brunei;2. Water Quality Section, Operation Directorate, Public Authority of Water, Oman;3. Food Safety and Quality Center, Ministry of Agriculture, Fisheries and Water Resources, Oman;1. Centre for Ecology & Hydrology, Lancaster Environment Centre, Bailrigg, Lancaster LA1 4AP, UK;2. International Atomic Energy Agency, 1400 Vienna, Austria;3. Institute of Environmental Radioactivity, Fukushima University, Kanayagawa 1, Fukushima, 960-1296 Japan;4. Norwegian Radiation Protection Authority, 1332 Østerås, Norway;5. School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Portsmouth, PO1 3QL, UK;6. r.e.m., Franz-Siegel-Gasse 26, 2380 Perchtoldsdorf, Austria |
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| Abstract: | Contamination of certain areas of the UK with radiocaesium from the Chernobyl accident led to restrictions being placed on the movement of lambs in these areas. To determine whether part of an area met the criteria for derestriction required the laboratory monitoring of meat from lambs sacrificed for the purpose. This was a slow process because there was no means of knowing which parts of an area had the lowest activity levels in lambs, that is where the chances of removing restrictions were the greatest. A rapid, simple and cheap method for the in vivo monitoring of caesium activity in lambs was developed. Correlation between the results from this method and in-laboratory measurements was reasonable (R2 from 83% to 95%). The method was used successfully to monitor lambs in Cumbria and north Wales during July and August 1986. |
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