E.

What specific activity of a particle of fallout would be required to
deliver the saze dose in the sane length of tine?

The ansver to this question depends upon the tine after detonatics

that the particle comes in contact with the skin, Assuning this tine

to be 143 hours, the specifis activity wuld have to be about 150 pe
for the same sise particle.

Since the particle may be washed off before six days have expired,
one nay consider the problem ancther vay,

What must be the specific

activity of a particle et B/3 hours te deliver this dose in the next

24 hours?

.

|

hecording to Strandquist (p. 2), only about 70% of a six day dose
need be delivered in one day to produce the seme affect (erythena).

Accepting this, then a particle with sbout the sane activity (160 ne)
at EY 3 hours would be sufficient to deliver an erythema dose {n one
day.

Select target paragraph3