RMI Nuclear Justice Documents

Table 5.

Fecal Excretion Half-Times for Particles

Excretion Half-Time in Days
Average
Range

Particle Size (ym)
20

0,55

0.4-0.6

80

2.2

1.0-4.6

200

2.7

1.1-7.7

450

3.6

1.5-13.9

159