Derived concentration factors for caesium-137 in edible species of North Sea fish |
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| Authors: | AK Steele |
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| Institution: | Ministry of Agriculture, Fisheries and Food, Directorate of Fisheries Research, Fisheries Laboratory, Lowestoft, Suffolk NR33 0HT, UK |
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| Abstract: | Concentration factor (CF=Bq kg−1 fillet/Bq kg−1 filtered sea water) values for 137Cs in fillets of cod (Gadus morhua), haddock (Merlanogrammus aeglefinus), plaice (Pleuronectes platessa) and whiting (Merlangius merlangius), were derived from fish and filtered seawater concentrations. Samples were collected in twelve sampling boxes in the North Sea over an eight-year period—1978–1985. The range of results with species, between species, and between surveys are discussed. Mean CF values of 92, 58, 39, and 150 were found in cod, haddock, plaice, and whiting respectively. These support the IAEA recommended CF value of 100 for fish in generalised dose assessments. |
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