ANNEX 4 Values of operational intervention levels (OIL) OIL are determined based on the reference level at 100 mSv. When using lower reference levels, the OIL needs to be proportionately reduced. OIL Quantity Value Measures Immediate protective measures, with the intention of preventing deterministic radiation effects. Immediately:a distributing and consuming of iodine tabletsb immediate safe evacuation decontaminating evacueesc Gamma radiation dose restricting unintentional consumptiond environment rate at1 m from the 1000 µSv/h stopping consumption of locally the surface area produced foode, forest fruits OIL1 in (mushrooms, etc.), milk from freely grazing cows registration, radiological and health examination of evacuees measurements In the first days: assessing received and of the need for medical examination, advice and continued monitoring. Immediate protective measure, with the Gamma radiation dose intention to prevent deterministic 100 µSv/h rate at 1 m from the radiation effects. surface area: Immediately: preparing for temporary relocation, 10 days after stopping restricting unintentional consumption prior ≤ a reactorh 100 µSv/h to relocationd stopping consumption of locally environment produced food, forest fruits (mushrooms, the etc.), milk from freely grazing cows, OIL2 in rainwater and animal feed Within a week or the first monthg > 10 days after stopping 25 µSv/h registering members of the public in the area a reactor temporary relocating, starting with the measurements most endangered assessing doses received and of the need for medical examination, advice and continued monitoring. a Some of the listed actions will be automatically activated when declaring a general emergency. b Cannot slow down the evacuation. c If immediate decontamination is not possible, evacuees must be advised to change clothing and take a shower as soon as possible. d Warn evacuees not to eat, drink or smoke and to keep their hands away from their mouths until they have washed. e Locally produced food includes food produced directly in a contaminated open area and consumed within a few
ANNEX 4 Values of operational intervention levels (OIL) OIL are determined based on the reference level at 100 mSv. When using lower reference levels, the OIL needs to be proportionately reduced. OIL Quantity Value Measures OIL1 measurements in the environment Gamma radiation dose rate at1 m from the surface area 1000 µSv/h Immediate protective measures, with the intention of preventing deterministic radiation effects. Immediately:a distributing and consuming of iodine tabletsb immediate safe evacuation decontaminating evacueesc restricting unintentional consumptiond stopping consumption of locally produced foode, forest fruits (mushrooms, etc.), milk from freely grazing cows registration, radiological and health examination of evacuees In the first days: assessing received and of the need for medical examination, advice and continued monitoring. OIL2 measurements in the environment Gamma radiation dose rate at 1 m from the surface area: 100 µSv/h Immediate protective measure, with the intention to prevent deterministic radiation effects. Immediately: preparing for temporary relocation, restricting unintentional consumption prior to relocationd stopping consumption of locally produced food, forest fruits (mushrooms, etc.), milk from freely grazing cows, rainwater and animal feed Within a week or the first monthg registering members of the public in the area temporary relocating, starting with the most endangered assessing doses received and of the need for medical examination, advice and continued monitoring. ≤ 10 days after stopping a reactorh 100 µSv/h > 10 days after stopping a reactor 25 µSv/h a Some of the listed actions will be automatically activated when declaring a general emergency. b Cannot slow down the evacuation. c If immediate decontamination is not possible, evacuees must be advised to change clothing and take a shower as soon as possible. d Warn evacuees not to eat, drink or smoke and to keep their hands away from their mouths until they have washed. e Locally produced food includes food produced directly in a contaminated open area and consumed within a few
UV2_-_ang.docx