69
Lititl
1000 Fon = 880
|.
a
|
=
dep = 210 p
|
>
i
Ss
<
|
500
.
|
a
Liigil
100
|
!
50
jo
0.5
Lt
2
5
op
10
tp tit top
20 30 405060 70 80
|
90 95
|
98
Fig. 9—Gross size
vs. activity—area integrals for particles
of different sizes.
99.5
ACTIVITY ON PARTICLES WITH LESS THAN INDICATED DIAMETERS, %
Table 9— SUMMARY OF THE f; VALUES FOR THE SMALL BOY SHOT
FALLOUT AND THE CALCULATIONS FOR Vho AND K,
Ko,
Ad, u
0 to 20
20 to 50
50 to 75
75 to 100
100 to 150
150 to 200
200 to 350
3950 to 500
500 to 750
750 to 1000
1000 to 1500
1500 to 2000
> 2000
d, p
r,
10
1.51
39
62.5
87.5
125
175
275
425
625
875
1250
1750
0.665
0.429
0,334
0.269
0.232
0.204
0.195
0.194
0.198
0.210
0.230
0.292
f, Koj,
r/hr at 1 hr
kt/sq mile
f,
{rj
4090
0.091
0.137
372
0.182
0,122
0.082
0.053
0.040
0.021 ©
0.0095
Sum
0.037
0.024
0.016
0.011
0.008
0,005
0.003
0.396
101
64
43
28
23
13
7
1072
1800
1160
905
729
629
993
529
526
337
570
623
791
0.093
0.075
0.049
0.076
0.108
0.062
0.032
0.016
0.020
0.025
r/hr at l hr
kt/sq mile
167
87
44
oD
68
Notes: (1) ry, = Lfjr) = 0.396. (2) Ky = Lf Ko, = 1072 r/hr at 1 hr per kiloton
per square mile,