Figure 21

Figure 21. Development of sulphur dioxide emissions from the Kola Peninsula during the period 1980-1992 and the corresponding data for Finland since the year 1955. The emissions from Pechenganikel are estimates starting in 1946 and from Severonikel starting in 1970. (Source: e.g. Blatov, I. et al, Ilmansuojelu-uutiset 3/1992)