Conceptual framework and technical basis for clearance of materials with residual radioactivity
Conference
·
OSTI ID:463549
The primary impediment to the release of materials containing residual radioactivity from a controlled environment is the lack of a suitable framework within which release standards can be developed. Recently, the `risk-based` approach has been proposed as an appropriate means of setting standards. The term `clearance` has been introduced by the International Atomic Energy Commission as a regulatory process for releasing radioactive materials posing trivial risks. A `trivial` risk level has been determined to be on the order of 10[sup -6] to 10[sup -7] annual risk to an exposed individual, and a population risk of no more than 0.1 annually. Under these strict constraints, exposure scenarios may account for processing, disposal, and product end-use of materials. This paper discusses these scenarios and also describes the technical basis for deriving release levels under the suggested risk (or dose) constraints.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE Office of Environmental Restoration and Waste Management, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 463549
- Report Number(s):
- ANL/EA/CP--90893; CONF-970322--2; ON: DE97004695
- Country of Publication:
- United States
- Language:
- English
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