Publication Laka-library:
Fallout situation in Finland from April 26 to May 4 1986 (1986)
| Author | Strälsäkerhetscentralen |
| Date | 1986 |
| Classification | 2.34.8.30/24 (CHERNOBYL ACCIDENT - CONSEQUENCES EUROPE - GENERAL) |
| Front | 
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From the publication:
PREFACE As known, a reactor unit of type RBMK 1 000 ignited on April 26, 1986, approximately at 5 a.m. Finnish time in the reactor site in Chernobyl, some 130 kilometres from the city of Kiev in the USSR. The Soviet authorities gave an official announcement saying that the reactor fire had ended on May 5 and the reaction had stopped. This report presents results from external radiation measurements and analysis of environmental samples in Finland from April 26 to May 4, 1986. Some additional calibrations will still be made, which will probably cause some changes to the results later. Also some checking of early warning monitors will most probably lead to some corrections in the results. We believe, however, that the overall situation of radiation dose rate levels and the extent of environmental contamination is relatively well known for the purpose of protecting the public from external radiation and from radiation through the food chains. The high fallout level will during this growing season cause several abnormal high contamination levels in different food stuffs. At this moment, at the beginning of May, the cows are still inside and the outdoor growing season is not yet fully started. The elevated iodine-131 level in air outside and also inside of our laboratory has caused some problems in the gammaspectrometric iodine-131 measurements.
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