Abstract
The Chernobyl accident is the main source of man-made radioactive contamination in the terrestrial environment in Norway. The dose to the average citizen was low the first years after the accident. However, even in 1994, intensive use of countermeasures was necessary in affected areas to reduce the levels of radiocaesium in sheep and reindeer. Norwegian Authorities spent 21 x 106 NOK in 1994 to ensure that levels of radiocaesium in mutton meet the intervention level. Not until August 1994 was the intervention level of 6000 Bq.kg-1 for radiocaesium in reindeer, game and freshwater fish reduced to 3000 Bq.kg-1. radioactivity in marine fish is less important compared to levels in foodstuffs originating from the terrestrial environment.

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