What's New?
•	August ORS
•	August Journal

Upcoming Events
•	IRPA 12 19-24 October 2008
•	HPS Midyear Meeting Recent Advances in Planning and Response to Radiation Emergencies 31 January - 3 February 2009 San Antonio, Texas
•	54th Annual Meeting of the Health Physics Society 12-16 July 2009 Minneapolis, Minnesota

20 July 2008

Radionuclide Decay Data

Use this Web page to view the decay data (mode, emissions, energies, frequencies, etc.) for about 850 radionuclides of interest to internal and external dose assessment. Click on the element of interest to begin...

1
H

2
He

3
Li

4
Be

5
B

6
C

7
N

8
O

9
F

10
Ne

11
Na

12
Mg

13
Al

14
Si

15
P

16
S

17
Cl

18
Ar

19
K

20
Ca

21
Sc

22
Ti

23
V

24
Cr

25
Mn

26
Fe

27
Co

28
Ni

29
Cu

30
Zn

31
Ga

32
Ge

33
As

34
Se

35
Br

36
Kr

37
Rb

38
Sr

39
Y

40
Zr

41
Nb

42
Mo

43
Tc

44
Ru

45
Rh

46
Pd

47
Ag

48
Cd

49
In

50
Sn

51
Sb

52
Te

53
I

54
Xe

55
Cs

56
Ba

57
La

72
Hf

73
Ta

74
W

75
Re

76
Os

77
Ir

78
Pt

79
Au

80
Hg

81
Tl

82
Pb

83
Bi

84
Po

85
At

86
Rn

87
Fr

88
Ra

89
Ac

104
Rf

105
Db

106
Sg

107
Bh

108
Hs

109
Mt

58
Ce

59
Pr

60
Nd

61
Pm

62
Sm

63
Eu

64
Gd

65
Tb

66
Dy

67
Ho

68
Er

69
Tm

70
Yb

71
Lu

90
Th

91
Pa

92
U

93
Np

94
Pu

95
Am

96
Cm

97
Bk

98
Cf

99
Es

100
Fm

101
Md

102
No

103
Lr