Sellafield 
^Tritium (UK) 
-A-C 06 O 
Sr90 
—Tc99 
-0-Cs137 
Figure 12: 
Discharges of selected 
radionuclides from Sellafield 
into the Irish Sea. 
References 
CEC, Commission of the European 
Communities (1991): Proceedings of 
Seminar on Comparative Assessment of 
the Environmental Impact of Radionuclides 
Released during Three Major Nuclear 
Accidents: Kyshtym, Windscale, 
Chernobyl, Vol. I and II, EUR 1374. 
EC, European Commission (2003): Effluent 
and dose control from European Union 
NORM Industries: Assessment of current 
situation and proposal for a harmonised 
Community approach, Radiation Protection 
135, Vol 1-2. 
Gavrilov, V.M., Z.G. Gritchenko, L.M. 
Ivanova, T.E. Orlova, V.P. Tishkov & N.A. 
Tishkova (1990): Strontium-90, caesium- 
134 and caesium-137 in water reservoirs 
of the Soviet Union’s Baltic region (1986- 
1988), Radiochemistry, No. 3:171-179. (in 
Russian). 
Ilus, E. & T. Ilus (2000): Sources of 
Radioactivity. In: Nielsen, S.P (ed.): The 
radiological exposure of the population of 
the European Community to radioactivity 
in the Baltic Sea, Marina-Bait project, 
Radiation Protection 110:9-76, EUR 19200, 
European Commission, Luxembourg. 
Nielsen, S.P., O. Karlberg & M. 
0hlenschlaeger (1995): Modelling the 
transfer of radionuclides in the Baltic Sea. 
In: HELCOM (1995): Radioactivity in the 
Baltic Sea 1984-1991. Balt. Sea Environ. 
Proc. No. 61:121-148. 
Nielsen, S.P., P. Bengtson, R. Bojanowski, 
P. Hagel, J. Herrmann, E. Ilus, E. 
Jakobson, S. Motiejunas, Y. Panteleev, 
A. Skujina & M. Suplinska (1999): The 
radiological exposure of man from 
radioactivity in the Baltic Sea, The Science 
of the Total Environment 237/238:133-141. 
Nies, H., R. Bojanowski, O. Karlberg & S.P. 
Nielsen (1995): Sources of radioactivity 
in the Baltic Sea. In: HELCOM (1995): 
Radioactivity in the Baltic Sea 1984-1991. 
Balt. Sea Environ. Proc. No. 61:6-18. 
Salo, A., K. Tuomainen &A. Voipio (1986): 
Inventories of some long-lived 
radionuclides in the Baltic Sea, The 
Science of the Total Environment 
54:247-260, Elsevier Science publishers, 
Amsterdam. 
Saxen, R. & E. Ilus (2000): Discharge of 137 Cs 
by Finnish rivers to the Baltic Sea in 
1986-1996. In: Nielsen, S.P. (ed.): The 
radiological exposure of the population of 
the European Community to radioactivity 
in the Baltic Sea, Marina-Bait project, 
Radiation Protection 110:333-347, 
EUR 19200, European Commission, 
Luxembourg. 
UNSCEAR (2000): Sources and effects of 
ionizing radiation, United Nations Scientific 
Committee on the Effects of Atomic 
Radiation, Vol. 1. United Nations, New 
York. 
T Baltic Sea Environment Proceedings No. 117