407946
Jorma -K.Miettinen
Radioactive Food Chains in Arctic Regions.
Fig.l. Weekly mean values of artificial aerosol beta-
activity in ground level air in southern and northern
Finland Liss The annual rainfall in Maarianhamina
(20°E, 60°N) is 550 mm, in Ivalo (27,5°E, 68.5°N)450 mm.
Fig.e. Picture of the lead shield used in the Finnish
mobile whole body counter. The walls and the shielding
door of the lead coffin are 4 cms thick, the 5 x 3 in.
erystal is protected by 4 cms lead in 37
solid angle.
The shield and electronics are installed in a Hanomag
Kurier truck, The shield weighs 2 tons.
Fig.3. Living areas of Finnish Lapps. The results for
settled mountain Lapps (=reindeer breeders) and fisher
Lapps are presented in Table III.
RE