In case of a radiological emergency in Sweden, the Swedish National Institute of Radiation Protection (SSI) has the responsibility of organ1z1ng a special task force with experts both from SSI and from other authorities. Reports of increased radiation l evels reached SSI around 10 am on April 28, 1986, and the task force convened at 1030 am.
A large number of measurements were made all over the country, and temporary grazing restrictions were imposed so as to avoid excessive doses from the food chain grass-cow-milk. Attention is now concentrated on regions with high ces ium activity and on foodstuffs 1n general. A very tentative estimate of the collective dose commitment is 10 000 man.Sv. It turned out that the general public was not always satisfied with the information provided by the authorities, in spite of complete openness.