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Table 2

Early countermeasures intervention levels set in EMERSIM.

Countermeasure Criterion dose and intervention levels Dose type and simulation time
Sheltering 3 mSv effective dose and/or 30 mSv for either skin, lung or thyroid dose Gamma doses from inhalation, cloudshine and groundshine; 24 h release duration and 49 days simulation time; following cloud passage, only groundshine is considered
Evacuation 30 mSv effective dose and/or 300 mSv for either skin, lung or thyroid dose
Intake of iodine tablets 30 mSv committed dose Committed iodine inhalation dose to thyroid; 24 h release duration and 49 days simulation time; following cloud passage, no dose is considered
Temporary relocation 30 mSv effective dose Effective ground gamma dose; 24 h release duration and 30 days simulation time
Permanent relocation 100 mSv effective dose Effective ground gamma dose; 24 h release duration and 1 year simulation time

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