T Dyer Master Technician Contact 865.576.2270 | DYERTA@ORNL.GOV All Publications Separation and Purification of Berkelium-249 and Einsteinium-254 Organizations Isotope Science and Enrichment Directorate Radioisotope Science and Technology Division Radioisotope Production Engineering and Analysis Section Radioisotope Infrastructure Development Group Radioisotope Research and Development Section