51

Pu-239

Np-237
Np-239

Pr-146
Nd-144
Nd-147
Nd-149
Pm-147
Pm~-149
Pm-150
Pm-151
Sm-151
Sm-153
Sm- 156
Eu-155
Eu- 156
Eu-157
Eu- 158
Gd-159
Tb-161
U-237
U-239

Nuc lide
Ce-141
Ce-141
Nd-147
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
Ce-141
U-237
Pu-239
U-237
Pu~-239
Pu-239

Reference
Nuc lide

8.9x1073
9.8x1073
4.1x10711
1.0x1073
1.1x1071
2.5x1072
9.4x10711
1.2x1073
1.9x1073
6.8x1077
8.0x1074
3.0x1073
5.2x107?
1.4x1073
5 .4x1072
8.1x1079
4.0x10712
3.0x107!
5.7x10710

2.4104
1.0x10~2
1.1%1075
1.0x10°
4.3x1073

1.3x1076

Rate, R h7!

H+0.5 Day
Exposure

4.710717
3.5x103
1.4x103
5.7x1071
4.7103
3.8x103
4.3x103
5.1x1072
1.3x103
9.6x102
7.3x107!
3.5x10!
6.5x102
2.1x1072
1.9x103

9.8x10°

Ci Km~2

H+0.5 Day
Activity
Per Unit Area,

AT ONE METER, RONGELAP ISLAND

-

-

1.7x103
3.2x1072

7.1x102
~
~
.
-

Ci Km=2

H+26 Day
Activity
-Per Unit Area,

ESTIMATED UNWEATHERED ACTIVITY ON SURFACE AND EXPOSURE RATE

TABLE IV-5 (cont'd)

1.8x1073

Rate, R h7l

{H+26 Day
Exposure

Select target paragraph3