270 AFMAN 24-204(I)/TM 38-250/NAVSUP PUB 505/MCO P4030.19H/ DLAI 4145.3 11 DECEMBER 2001 Symbol of Radionuclide Element and Atomic Number A₁(TBq) (Special form) ^A1^(Ci) (Special form) A₂(TBq) (Other form) ^A2^(Ci) (Other form) Specific activity (TBq/g) Specific activity (Ci/g) Eu-152 0.9 24.3 0.9 24.3 6.5 1.8 x 10² Eu-154 0.8 21.6 0.5 13.5 9.8 2.6 x 10² Eu-155 20 541 2 54.1 1.8 x 10¹ 4.9 x 10² Eu-156 0.6 16.2 0.5 13.5 2.0 x 10³ 5.5 x 10⁴ F-18 Fluorine (9) 1 27.0 0.5 13.5 3.5 x 10⁶ 9.5 x 10⁷ Fe-52 Iron (26) 0.2 5.41 0.2 5.41 2.7 x 10⁵ 7.3 x 10⁶ Fe-55 40 1,080 40 1,080 8.8 x 10¹ 2.4 x 10³ Fe-59 0.8 21.6 0.8 21.6 1.8 x 10³ 5.0 x 10⁴ Fe-60 40 1,080 0.2 5.41 7.4 x 10^-4 2.0 x 10^-2 Fm-255 Fermium (100) 40 1,080 0.8 21.6 Fm-257 10 270 8 x 10^-3 21.6 x 10^-1 Ga-67 Gallium (31) 6 162 6 162 2.2 x 10⁴ 6.0 x 10⁵ Ga-68 0.3 8.11 0.3 8.11 1.5 x 10⁶ 4.1 x 10⁷ Ga-72 0.4 10.8 0.4 10.8 1.1 x 10⁵ 3.1 x 10⁶ Gd-146 Gadolinium (64) 0.4 10.8 0.4 10.8 6.9 x 10² 1.9 x 10⁴ Gd-148 3 81.1 3 x 10^-4 8.11 x 10^-3 1.2 3.2 x 10¹ Gd-153 10 270 5 135 1.3 x 10² 3.5 x 10³ Gd-159 4 108 0.5 13.5 3.9 x 10⁴ 1.1 x 10⁶ Ge-68 Germanium (32) 0.3 8.11 0.3 8.11 2.6 x 10² 7.1 x 10³ Ge-71 40 1,080 40 1,080 5.8 x 10³ 1.6 x 10⁵ Ge-77 0.3 8.11 0.3 8.11 1.3 x 10⁵ 3.6 x 10⁶ H-3 Hydrogen (1)   (See   T- Tritium) Hf-172 Hafnium (72) 0.5 13.5 0.3 8.11 4.1 x 10¹ 1.1 x 10³