[holding answer 2 February 2007]: The operator concerned, British Nuclear Group Sellafield Limited (BNGSL), will introduce its enhanced checking procedures as declared. The data compiled will be checked and verified by separate BNGSL personnel who are not involved in or influenced by the compilation activities and are therefore independent of the compilation process. The Department's UK Safeguards Office (UKSO) compiles the summary information provided by the operators and ensures that these are consistent with their and the European Commission's safeguards accounts.