Table 5. Fifty-year internal dose commitments for military personnel! stationed on Rongerik Atoll, 1 and 2 March 1954. Organ Dose Commitment (rem) Thyroid 190 Lower large intestine wall 76 Upper large intestine wall 44 Small intestine wall 13 Lung 13 Stomach wall 6.4 Endosteum (bone surfaces) 3.4 Liver 1.6 Bone 1.4 Red marrow 1.3 Kidney . 1.2 Pancreas 0.9 Testes 0.6 25