266 AFMAN 24-204(I)/TM 38-250/NAVSUP PUB 505/MCO P4030.19H/ DLAI 4145.3 11 DECEMBER 2001 Table A11.1.  Table of A₁ and A₂ Values for Radionuclides. 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) Ac-225 Actinium (89) 0.6 16.2 1 X 10^-2 0.270 2.1 x 10³ 5.8 x 10⁴ Ac-227 40 1080 2 x 10^-5 5.41 x 10^-4 2.7 7.2 x 10¹ Ac-228 0.6 16.2 0.4 10.8 8.4 x 10⁴ 2.2 x 10⁶ Ag-105 Silver (47) 2 54.1 2 54.1 1.1 x 10³ 3.0 x 10⁴ Ag-108m 0.6 16.2 0.6 16.2 9.7 x 10^-1 2.6 x 10¹ Ag-110m 0.4 10.8 0.4 10.8 1.8 x 10² 4.7 x 10³ Ag-111 0.6 16.2 0.5 13.5 5.8 x 10³ 1.6 x 10⁵ Al-26 Aluminum (13) 0.4 10.8 0.4 10.8 7.0 x 10^-4 1.9 x 10^-2 Am-241 Americium (95) 2 54.1 2 x 10^-4 5.41 x 10^-3 1.3 x 10^-1 3.4 Am-242 2 54.1 2 x 10^-4 5.41 x 10^-3 3.6 x 10^-1 1.0 x 10¹ Am-243 2 54.1 2 x 10^-4 5.41 x 10^-3 7.4 x 10^-3 2.0 x 10^-1 Ar-37 Argon (18) 40 1,080 40 1,080 3.7 x 10³ 9. 9 x 10⁴ Ar-39 20 541 20 541 1.3 3.4 x 10¹ Ar-41 0.6 16.2 0.6 16.2 1.5 x 10⁶ 4.2 x 10⁷ Ar-42 0.2 5.41 0.2 5.41 9.6 2.6 x 10² As Arsenic (33) 0.2 5.41 0.2 5.41 6.2 x 10⁴ 1.7 x 10⁶ As-73 40 1,080 40 1,080 8.2 x 10² 2.2 x 10⁴ As-74 1 27.0 0.5 13.5 3.7 x 10³ 9.9 x 10⁴ As-76 0.2 5.41 0.2 5.41 5.8 x 10⁴ 1.6 x 10⁶ As-77 20 541 0.5 13.5 3.9 x 10⁴ 1.0 x 10⁶ At-211 Astatine (85) 30 811 2 54.1 76 x 10⁴ 2.1 x 10⁶ Au-193 Gold (79) 6 162 6 162 3.4 x 10⁴ 9.2 x 10⁵ Au-194 1 27.1 1 27.0 15 x 10⁴ 4.1 x 10⁵ Au-195 10 270 10 270 1.4 x 10² 3.7 x 10³