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  • METHODOLOGY FOR EVALUATING RADIOLOGICAL CONSEQUENCES OF THE MANAGEMENT OF VERY LOW LEVEL SOLID WASTE ARISING FROM DECOMMISSIONING OF NUCLEAR POWER PLANTS

Abstract

In this report a methodology is described, and illustrated by examples, for the evaluation of individual doses and collective dose commitments arising as a result of various management modes for very low level solid wastes arising from the decommissioning of nuclear power plants. Estimates have been made of the masses of materials activated and contaminated to within three concentration limits, 0.37, 3.7 and 37 Bq g**-1, at three times after reactor shutdown, 5 y, 25 y and 100 y. The disposal options considered are shallow land burial, at a municipal landfill site or at the reactor site, and disposal on the seabed in coastal waters or the deep ocean. It is assumed that there is no special treatment to reduce or eliminate the potential radiological hazard. Consideration has also been given to the radiological impact of recycling of contaminated steel. The radiological impacts of all the management options for the wastes considered were found to be small. It may therefore be acceptable to allow such very low level wastes to be disposed of without special restrictions provided that the level and type of activity of the wastes can be verified. In addition the health detriment cost associated with all the management options is small, so it is likely that other factors such as transport and engineering costs will be more important in final decisions about the management of these wastes.

Additional information

Authors: SMITH G M, NATIONAL RADIOLOGICAL PROTECTION BOARD, CHILTON, DIDCOT (UK);CEA, PARIS (FRANCE);HEMMING C R, NATIONAL RADIOLOGICAL PROTECTION BOARD, CHILTON, DIDCOT (UK);CEA, PARIS (FRANCE);CLARK J M, NATIONAL RADIOLOGICAL PROTECTION BOARD, CHILTON, DIDCOT (UK);CEA, PARIS (FRANCE);CHAPUIS A M, NATIONAL RADIOLOGICAL PROTECTION BOARD, CHILTON, DIDCOT (UK);CEA, PARIS (FRANCE);GARBAY H NATIONAL RADIOLOGICAL PROTECTION BOARD, CHILTON, DIDCOT (UK), NATIONAL RADIOLOGICAL PROTECTION BOARD, CHILTON, DIDCOT (UK);CEA, PARIS (FRANCE);CEA, PARIS (FRANCE), NATIONAL RADIOLOGICAL PROTECTION BOARD, CHILTON, DIDCOT (UK);CEA, PARIS (FRANCE)
Bibliographic Reference: EUR 10058 EN (1985) FS, 92 P., BFR 300. WRITE TO EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
Record Number: 1989124006400 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en