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The material featured on this site is subject to Crown copyright protection unless otherwise indicated. The Crown copyright protected material (other than the departmental or agency logos) may be reproduced free of charge in any format or medium for research, private study or for internal circulation within an organisation. This is subject to the material being reproduced accurately and not used in a misleading context. Where any of the Crown copyright items on this site are being republished or copied to others, the source of the material must be identified and the copyright status acknowledged. This includes the contents of EHS databases.

The material may be downloaded to file or printer for the purposes of research and private study. For any other proposed use of material on this website, please contact EHS Corporate Communications in the first instance. Commonwealth House, 35 Castle Street, Belfast, County Antrim, BT1 1GU. Telephone: +44 (0) 28 9054 6533.

The permission to reproduce Crown protected material does not extend to any material on this site, which is identified as being the copyright of a third party. Authorisation to reproduce such material must be obtained from the copyright holders concerned.

The Environment & Heritage Service encourages users to establish hypertext links to the site.

For further information on Crown copyright policy and licensing arrangements, see the guidance featured on HMSO's website at www.hmso.gov.uk/guides.htm