A simplified ALARA approach to demonstration of compliance with surface contaminated object regulatory requirements

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The US Department of Transportation (DOT) and the US Nuclear Regulatory Commission (NRC) have jointly prepared a comprehensive set of draft guidance for consignors and inspectors to use when applying the newly imposed regulatory requirements for low specific activity (LSA) material and surface contaminated objects (SCOs). The guidance is being developed to facilitate compliance with the new LSA material and SCO requirements, not to impose additional requirements. These new requirements represent, in some areas, significant departures from the manner in which packaging and transportation of these materials and objects were previously controlled. On occasion, it may be appropriate to use ... continued below

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11 p.

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Pope, R.B.; Shappert, L.B.; Michelhaugh, R.D.; Boyle, R.W. & Cook, J.C. February 1, 1998.

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Description

The US Department of Transportation (DOT) and the US Nuclear Regulatory Commission (NRC) have jointly prepared a comprehensive set of draft guidance for consignors and inspectors to use when applying the newly imposed regulatory requirements for low specific activity (LSA) material and surface contaminated objects (SCOs). The guidance is being developed to facilitate compliance with the new LSA material and SCO requirements, not to impose additional requirements. These new requirements represent, in some areas, significant departures from the manner in which packaging and transportation of these materials and objects were previously controlled. On occasion, it may be appropriate to use conservative approaches to demonstrate compliance with some of the requirements, ensuring that personnel are not exposed to radiation at unnecessary levels, so that exposures are kept as low as reasonably achievable (ALARA). In the draft guidance, one such approach would assist consignors preparing a shipment of a large number of SCOs in demonstrating compliance without unnecessarily exposing personnel. In applying this approach, users need to demonstrate that four conditions are met. These four conditions are used to categorize non-activated, contaminated objects as SCO-2. It is expected that, by applying this approach, it will be possible to categorize a large number of small contaminated objects as SCO-2 without the need for detailed, quantitative measurements of fixed, accessible contamination, or of total (fixed and non-fixed) contamination on inaccessible surfaces. The method, which is based upon reasoned argument coupled with limited measurements and the application of a sum of fractions rule, is described and examples of its use are provided.

Physical Description

11 p.

Notes

INIS; OSTI as DE98004931

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  • PATRAM `98: 12. international conference on packaging and transportation of radioactive material, Paris (France), 10-15 May 1998

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  • Other: DE98004931
  • Report No.: ORNL/CP--97136
  • Report No.: CONF-980507--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 650386
  • Archival Resource Key: ark:/67531/metadc706769

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Office of Scientific & Technical Information Technical Reports

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  • February 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • June 14, 2016, 7:39 p.m.

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Pope, R.B.; Shappert, L.B.; Michelhaugh, R.D.; Boyle, R.W. & Cook, J.C. A simplified ALARA approach to demonstration of compliance with surface contaminated object regulatory requirements, article, February 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc706769/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.