From: Lewis, Doris
Sent: Tuesday, March 15, 2011 7:42 AM
To: Sherbini, Sami; Shaffer, Vered
Subject: RE: chernobyl doses
Thanks Sami!
Thanks Vered!
From: Sherbini, Sami
Sent: Monday, March 14, 2011 7:02 PM
To: Shaffer, Vered
Cc: Lewis, Doris
Subject: RE: chernobyl doses
Vered, Doris,
Very nice.
The information should give the ops center people a good qualitative idea of the types of doses such releases can be expected to deliver.
Sami
From: Shaffer, Vered
Sent: Monday, March 14, 2011 5:34 PM
To: Sherbini, Sami
Cc: Lewis, Doris
Subject: chernobyl doses
Hi Sami,
Doris and I came up with this response based on information we found in the documents below.
Let us know what you think!
Vered
** Info from the Chernobyl Forum booklet Pages 11 and 12
http://www.iaea.org/Publications/Booklets/Chernobyl/chernobyl.pdf
** Info from NUREG 1250 Report on the Accident at the Chernobyl Nuclear Power Station (chapter 7)
Population categories exposed from the Chernobyl accident:
- Emergency and recovery operation workers who worked at the Chernobyl power plant and in the exclusion zone after the accident;
- Individual doses estimated to range from 2 – 20 Gy (200 rads – 2000 rads); Average lethal dose of 4 Gy (400 rads)
Inhabitants who were 3-7 km around the plant
- Effective doses estimated to be 54 rem (540 mSv)
- Inhabitants evacuated from contaminated areas
- Effective doses estimated on the order of 3.3 rem (33 mSv)
- Inhabitants who remained in the contaminated areas for 7 days or more
- Effective doses estimated from 60 – 80 rem ( 600 – 800 mSv)
- For 135,000 evacuees exposed from the plume and by radionuclides deposited on the ground
- Individual effective doses estimated at 12 rem per person
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