To ask Her Majesty's Government how many instances of theft or attempted theft of any nuclear material there have been at the 31 licensed civil nuclear sites in the United Kingdom in each year since 2001.
The Office for Civil Nuclear Security (OCNS) is the security regulator for the UK's civil nuclear industry. In April 2005, OCNS introduced a reporting database to record information on security-related events. This reporting database has been used since April 2005.
Records before April 2005 are paper-based and would require the recall of OCNS Approvals and Compliance Unit Nuclear Security Inspectors from front-line inspection duties to conduct a manual trawl with each inspector going through the files relating to the civil nuclear sites he is responsible for. This constitutes a disproportionate amount of effort and would be at disproportionate cost.