Dangerous quantities of radioactive material

D-values — More than this amount is dangerous if not controlled.
(1/100 not dangerous unless internally ingested; 10x is very dangerous).
Radionuclide	D-value in TBq (1 TBq = 27 Ci)
H-3	2.E+03
Be-7	1.E+00
Be-10	3.E+01
C-11	6.E-02
C-14	5.E+01
N-13	6.E-02
F-18	6.E-02
Na-22	3.E-02
Na-24	2.E-02
Mg-28	2.E-02
Al-26	3.E-02
Si-31	1.E+01
Si-32	7.E+00
P-32	1.E+01
P-33	2.E+02
S-35	6.E+01
Cl-36	2.E+01
Cl-38	5.E-02
Ar-37	UNLIMITED
Ar-39	3.E+02
Ar-41	5.E-02
K-40	UNLIMITED
K-42	2.E-01
K-43	7.E-02
Ca-41	UNLIMITED
Ca-45	1.E+02
Ca-47	6.E-02
Sc-44	3.E-02
Sc-46	3.E-02
Sc-47	7.E-01
Sc-48	2.E-02
Ti-44	3.E-02
V-48	2.E-02
V-49	2.E+03
Cr-51	2.E+00
Mn-52	2.E-02
Mn-53	UNLIMITED
Mn-54	8.E-02
Mn-56	4.E-02
Fe-52	2.E-02
Fe-55	8.E+02
Fe-59	6.E-02
Fe-60	6.E-02
Co-55	3.E-02
Co-56	2.E-02
Co-57	7.E-01
Co-58	7.E-02
Co-58	7.E-02
Co-60	3.E-02
Ni-59	1.E+03
Ni-63	6.E+01
Ni-65	1.E-01
Cu-64	3.E-01
Cu-67	7.E-01
Zn-65	1.E-01
Zn-69	3.E+01
Zn-69	2.E-01
Ga-67	5.E-01
Ga-68	7.E-02
Ga-72	3.E-02
Ge-68	7.E-02
Ge-71	1.E+03
Ge-77	6.E-02
As-72	4.E-02
As-73	4.E+01
As-74	9.E-02
As-76	2.E-01
As-77	8.E+00
Se-75	2.E-01
Se-79	2.E+02
Br-76	3.E-02
Br-77	2.E-01
Br-82	3.E-02
Kr-81	3.E+01
Kr-85	3.E+01
Kr-85	5.E-01
Kr-87	9.E-02
Rb-81	1.E-01
Rb-83	1.E-01
Rb-84	7.E-02
Rb-86	7.E-01
Rb-87	UNLIMITED
Sr-82	6.E-02
Sr-85	1.E-01
Sr-85	1.E-01
Sr-87	2.E-01
Sr-89	2.E+01
Sr-90	1.E+00
Sr-91	6.E-02
Sr-92	4.E-02
Y-87	9.E-02
Y-88	3.E-02
Y-90	5.E+00
Y-91	8.E+00
Y-91	1.E-01
Y-92	2.E-01
Y-93	6.E-01
Zr-88	2.E-02
Zr-93	UNLIMITED
Zr-95	4.E-02
Zr-97	4.E-02
Nb-93	3.E+02
Nb-94	4.E-02
Nb-95	9.E-02
Nb-97	1.E-01
Mo-93	3.E+02
Mo-99	3.E-01
Tc-95	1.E-01
Tc-96	3.E-02
Tc-96	3.E-02
Tc-97	UNLIMITED
Tc-97	4.E+01
Tc-98	5.E-02
Tc-99	3.E+01
Tc-99	7.E-01
Ru-97	3.E-01
Ru-103	1.E-01
Ru-105	8.E-02
Ru-106	3.E-01
Rh-99	1.E-01
Rh-101	3.E-01
Rh-102	3.E-02
Rh-102	1.E-01
Rh-103	9.E+02
Rh-105	9.E-01
Pd-103	9.E+01
Pd-107	UNLIMITED
Pd-109	2.E+01
Ag-105	1.E-01
Ag-108	4.E-02
Ag-110	2.E-02
Ag-111	2.E+00
Cd-109	2.E+01
Cd-113	4.E+01
Cd-115	2.E-01
Cd-115	3.E+00
In-111	2.E-01
In-113	3.E-01
In-114	8.E-01
In-115	4.E-01
Sn-113	3.E-01
Sn-117	5.E-01
Sn-119	7.E+01
Sn-121	7.E+01
Sn-123	7.E+00
Sn-125	1.E-01
Sn-126	3.E-02
Sb-122	1.E-01
Sb-124	4.E-02
Sb-125	2.E-01
Sb-126	2.E-02
Te-121	1.E-01
Te-121	1.E-01
Te-123	6.E-01
Te-125	1.E+01
Te-127	1.E+01
Te-127	3.E+00
Te-129	1.E+00
Te-129	1.E+00
Te-131	4.E-02
Te-132	3.E-02
I-123	5.E-01
I-124	6.E-02
I-125	2.E-01
I-126	1.E-01
I-129	UNLIMITED
I-131	2.E-01
I-132	3.E-02
I-133	1.E-01
I-134	3.E-02
I-135	4.E-02
Xe-122	6.E-02
Xe-123	9.E-02
Xe-127	3.E-01
Xe-131	1.E+01
Xe-133	3.E+00
Xe-135	3.E-01
Cs-129	3.E-01
Cs-131	2.E+01
Cs-132	1.E-01
Cs-134	4.E-02
Cs-134	4.E-02
Cs-135	UNLIMITED
Cs-136	3.E-02
Cs-137	1.E-01
Ba-131	2.E-01
Ba-133	2.E-01
Ba-133	3.E-01
Ba-140	3.E-02
La-137	2.E+01
La-140	3.E-02
Ce-139	6.E-01
Ce-141	1.E+00
Ce-143	3.E-01
Ce-144	9.E-01
Pr-142	1.E+00
Pr-143	3.E+01
Nd-147	6.E-01
Nd-149	2.E-01
Pm-143	2.E-01
Pm-144	4.E-02
Pm-145	1.E+01
Pm-147	4.E+01
Pm-148	3.E-02
Pm-149	6.E+00
Pm-151	2.E-01
Sm-145	4.E+00
Sm-147	UNLIMITED
Sm-151	5.E+02
Sm-153	2.E+00
Eu-147	2.E-01
Eu-148	3.E-02
Eu-149	2.E+00
Eu-150	2.E+00
Eu-150	5.E-02
Eu-152	6.E-02
Eu-152	2.E-01
Eu-154	6.E-02
Eu-155	2.E+00
Eu-156	5.E-02
Gd-146	3.E-02
Gd-148	4.E-01
Gd-153	1.E+00
Gd-159	2.E+00
Tb-157	1.E+02
Tb-158	9.E-02
Tb-160	6.E-02
Dy-159	6.E+00
Dy-165	3.E+00
Dy-166	1.E+00
Ho-166	2.E+00
Ho-166	4.E-02
Er-169	2.E+02
Er-171	2.E-01
Tm-167	6.E-01
Tm-170	2.E+01
Tm-171	3.E+02
Yb-169	3.E-01
Yb-175	2.E+00
Lu-172	4.E-02
Lu-173	9.E-01
Lu-174	8.E-01
Lu-174	6.E-01
Lu-177	2.E+00
Hf-172	4.E-02
Hf-175	2.E-01
Hf-181	1.E-01
Hf-182	5.E-02
Ta-178	7.E-02
Ta-179	6.E+00
Ta-182	6.E-02
W-178	9.E-01
W-181	5.E+00
W-185	1.E+02
W-187	1.E-01
W-188	1.E+00
Re-184	8.E-02
Re-184	7.E-02
Re-186	4.E+00
Re-187	UNLIMITED
Re-188	1.E+00
Re-189	1.E+00
Os-185	1.E-01
Os-191	2.E+00
Os-191	1.E+00
Os-193	1.E+00
Os-194	7.E-01
Ir-189	1.E+00
Ir-190	5.E-02
Ir-192	8.E-02
Ir-194	7.E-01
Pt-188	4.E-02
Pt-191	3.E-01
Pt-193	3.E+03
Pt-193	1.E+01
Pt-195	2.E+00
Pt-197	4.E+00
Pt-197	9.E-01
Au-193	6.E-01
Au-194	7.E-02
Au-195	2.E+00
Au-198	2.E-01
Au-199	9.E-01
Hg-194	7.E-02
Hg-195	2.E-01
Hg-197	2.E+00
Hg-197	7.E-01
Hg-203	3.E-01
Tl-200	5.E-02
Tl-201	1.E+00
Tl-202	2.E-01
Tl-204	2.E+01
Pb-201	9.E-02
Pb-202	2.E-01
Pb-203	2.E-01
Pb-205	UNLIMITED
Pb-210	3.E-01
Pb-212	5.E-02
Bi-205	4.E-02
Bi-206	2.E-02
Bi-207	5.E-02
Bi-210	8.E+00
Bi-210	3.E-01
Bi-212	5.E-02
Po-210	6.E-02
At-211	5.E-01
Rn-222	4.E-02
Ra-223	1.E-01
Ra-224	5.E-02
Ra-225	1.E-01
Ra-226	4.E-02
Ra-228	3.E-02
Ac-225	9.E-02
Ac-227	4.E-02
Ac-228	3.E-02
Th-227	8.E-02
Th-228	4.E-02
Th-229	1.E-02
Th-230	7.E-02
Th-231	1.E+01
Th-232	UNLIMITED
Th-234	2.E+00
Pa-230	1.E-01
Pa-231	6.E-02
Pa-233	4.E-01
U-230	4.E-02
U-232	6.E-02
U-233	7.E-02
U-234	1.E-01
U-235	8.E-05
U-236	2.E-01
U-238	UNLIMITED
U Natural	UNLIMITED
U Deplete	UNLIMITED
U Enriched 10-20%	8.E-04
U Enriched >20 %	8.E-05
Np-235	1.E+02
Np-236	7.E-03
Np-236	8.E-01
Np-237	7.E-02
Np-239	5.E-01
Pu-236	1.E-01
Pu-237	2.E+00
Pu-238	6.E-02
Pu-239	6.E-02
Pu-240	6.E-02
Pu-241	3.E+00
Pu-242	7.E-02
Pu-244	3.E-04
Am-241	6.E-02
Am-242	3.E-01
Am-243	2.E-01
Am-244	9.E-02
Cm-240	3.E-01
Cm-241	1.E-01
Cm-242	4.E-02
Cm-243	2.E-01
Cm-244	5.E-02
Cm-245	9.E-02
Cm-246	2.E-01
Cm-247	1.E-03
Cm-248	5.E-03
Bk-247	8.E-02
Bk-249	1.E+01
Cf-248	1.E-01
Cf-249	1.E-01
Cf-250	1.E-01
Cf-251	1.E-01
Cf-252	2.E-02
Cf-253	4.E-01
Cf-254	3.E-04
239Pu/9Be	6.E-02
241Am/9Be	6.E-02