Naturally Occurring Radioactive Materials in Construction by Wouter Schroeyers

Author:Wouter Schroeyers
Language: eng
Format: epub
ISBN: 9780081020081
Publisher: Elsevier Ltd.
Published: 2017-05-24T16:00:00+00:00

For bauxite residue, red mud, the activity concentration (226Ra, 232Th and 40K), depending of its country of origin, is given in Table 6.15.

Table 6.15

NORM radionuclide activity in Red mud

These values are the mean values of individual entries.

The I-index calculation is based on European Commission 1999; Radiation Protection 112; Radiological Protection Principles Concerning the Natural Radioactivity of Building Materials; and Directorate-General, Environment, Nuclear Safety and Civil Protection.

Note that the I-index, as proposed by Council Directive 2013/59/EURATOM, is only used for building materials. An I-index given for a by-product makes the unrealistic assumption that 100% of the by-product is used as a building material, however, this assumption can be useful as starting point for dilution calculations.

The “–” sign in the table indicates that there is no data available.

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