Research and analysis

Non-aqueous liquids: exemption or exclusion levels

This report (HPA-CRCE-006) describes work for a new exemption orders regime under the Radioactive Substances Act 1993 and the Environmental Permitting Regulations 2010.

• From: Public Health England
• Published: 1 September 2010

Documents

HPA-CRCE-006: investigation of possible exemption or exclusion levels for non-aqueous liquids to support the RSA93 exemption order review

Ref: ISBN 978-0-85951-674-7

PDF, 206 KB, 29 pages

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Details

The Department of Energy and Climate Change (DECC) and the Devolved Administrations consulted on a new exemption orders regime under the Radioactive Substances Act 1993 and the Environmental Permitting regulations (EPR) 2010. The overall aim was to have a simpler set of exemption orders that are more easily linked to the European Basic Safety Standards Directive (BSSD).

As part of the work to support the review of the exemption orders, DECC asked the Health Protection Agency (HPA) to consider whether it would be appropriate to apply the activity concentration levels recommended by the European Commission for unconditional clearance of solids, to the exclusion or exemption of non-aqueous liquids from the provisions of the revised regime.

This report reviews the parameters used in the derivation of the unconditional clearance levels for solids and concludes that the clearance levels would be applicable for the exclusion of non-aqueous liquids, though there may be a need for additional modifying factors for some radionuclides.

Published 1 September 2010