1. Rolls-Royce plc, PO Box 2000, Raynesway SW1-70, Derby, Derbyshire DE21 7XX, GB
2. National Nuclear Laboratory, Reactor Chemistry And Materials, Building D5 Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, GB
3. EDF Energy, Generation, Structural Integrity Branch, Barnett Way, Barnwood, Gloucester GL4 3RS, GB