-

B.

a

Data on doses and effects from single particles of Ru03 and Rui06

a
1.

Sise of particles

40A

hativity of particles

Time dose delivered!

3

(ada /bry®

120A

1.2 »

Dose rate to 7 ng/en*s

2.

b

|

1ja

6,600 rada/hy

27,500 rade/br

~6 days

~& days

rads)}®

LOSES

400

~ 500,000

Bone visible

750

7390, 000

Reddening

2,500

72,000,000

Desquanation

11,000

6,000,000

Tissue Destructica

21,000

-~7000,000

Tissue Destruction-=
2 cm across

8 wa deep

C.

230. # 8.3 pe estinsted activity of particle producing reddening

D.

(8.3)(144) ® 1200pe total activity accounted for in the 144 hours

90

effect in about 144 hours.

The estizated sise is 100 uicrons.

that the dose wes delivered.

activity during the 144 hours)

(Assuming constant

te the hot spot directly below the particle, and is
valid only es to order af magnitude, *

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