Commission of the European Communities nuclear science and technology Integral migration and source-term experiments on cement and bitumen waste forms Report EUR 10587 EN Commission of the European Communities nuclear science and technology Integral migration and source-term experiments on cement and bitumen waste forms F. T. Ewart, R. M. Howse, B. M. Sharpe, A.J. Smith, H. P. Thomason, S.J. Williams, M. Young Chemistry Division AERE Harwell Oxon OX 11 ORA, United Kingdom This work was carried out under cost-sharing contract No 363-83-7 WAS-UK (H) with the European Atomic Energy Community in the framework of its R & D programme on 'Management and storage of radioactive waste'. Sheet 7 'Storage and disposal in geological formations' This work has been commissioned by the Department of the Environment as part of its radioactive waste management research programme.