CBRN event in Poland on Fri 24th March 2023

On March 24th 2023 during the unloading of a transport package with a radioactive source of I-131 (4.07 TBq), contamination was detected on the inside of the package. After taking a swab, contamination was determined at the level of 200 Bq/cm^2. Four workers were contaminated (hands, personal protective clothing). Additionally the fork lift, floor in laboratory, foil on the floor and corridor were contaminated. Estimated effective doses to the four persons involved were between 1,01 mSv to 6,08 mSv. The dose constraint for the workers was established on 15 mSv. The contaminated areas were temporarily closed and successfully decontaminated.