ML19224A960
| ML19224A960 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/03/1979 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| OSP-790403-1, NUDOCS 7906130292 | |
| Download: ML19224A960 (14) | |
Text
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50-320 Miscellaneous Q & A from NRR files 7906130292_
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EMILE JOB V What radiation exoosure did the general occulation exoerience as a result of the Three Mile Island accident?
Response
Radiation monitoring indicates that the exposure of the general population in the immediate vicinity of the plant was well below levels considered harmful.
The sources of exposure were radioactive gases (xenon, krypton and iodine) that leaked from the plant - primarily from the auxiliary building.
Radioactive iodine (I-131) is of particular concern; however, as of April 3, 1979 it appears that ns.aore than 2.6 curies of radiciodine were released.
This estimate of the total release of radiciocine is consistent with iodine levels observed in milk samples -- levels tS t were about one-tenth of those observed in milk following the Chinese nuclear tests. The predominant radioactivity released was the noblq gas Zenon-133.
The NRC has estimated that as of April 3,1979 approximately 12 million curies of Xe-133 were released. An independent estimate of Xe-133 releases by Lawrence Livermore Laboratory is 10 to 25 million curies, thus both estimates are in agreement.
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