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TABLE 2
EXPOSURE RATES - UNIFORMLY DISTRIBUTED SOURCE *
A.

E\

(Mev)

25
. 364
.50
. 662
75
1.0
1.25
1.46
1.76
2.00
2.25
2.50
2.62
2.7%

(m)}

0
6. 24 (-2)
9.92 (-2)
1.40(-1)
1.91 (-1)
2.19(-1)
2.95 (+1)
3.72 (+1)
4.36(-1)
§.26(-1)
6.01 (-1)
6.70 (=1)
7.44 (-1)
7.83 (-1)
8.19(-1)

wl
6. 23 (-2)
9.89 (-2)
1.40(-1)
1.90 {-1)
2.19(-1)
2.94 (+1)
3.71 (-1)
4.35 (-1)
5.25(-1)
6.00 (-1)
6. 69 (-1)
7.43 (-1)
7.81{-1)
8.18(-1)

1

/)
6.16(-2)
9.79 (-2) |
1.38(-1)
1.88 (-1)
2.17 (-1)
2.91(-1)
3. 68 (-1)
4.32 (-1)
5.21{-1)
5.95 (-1)
6. 64 (-1)
7.37 (-1)
7.75 (-1)
8.12 (-1)

Total Exposure Ratet

5.99(-2)
9. 68 (-2)
1.37 (-1)
1.86 (-1)
2.14 (-1)
2.88 (-1)
3.64 (-1)
4.28(-1)
5.18 (~1)
5.90(-1)
6.59(~1)
7.32 (-1)
7.69(-1)
8.06{-1)

*Source Strength = 1 y per em’-sec.
*MeV/gm-sec = 65.9 wr/hr; 1 ur/hr = 7.65 mrad/yr.

3
5.88 (-2)
9.34 (-2)
1.32 (-1)
1.80 (-1)
2.07 (-1)
2.79 (-1)
3.53 (-1)
4.15 (-1)
5.02 (-1)
5.73 (-1)
6.40(-1)
7.12(-1)
7.49{-1)
7.85 (-1)

5

10

30

5.71(-2)
9. 06 (-2)
1. 28(-1)
1.75 (-1)
2.01 (=1)
2.71 (-1)
3.43 (-1)
4.04 (-1)
4.89(-1)
5.60 (-1)
6. 26{(-1)
6.96(-1)
7.32 (-1)
7.67 (-1)

5.33 (-2)
8.48 (-2)
1.20(-1)
1. 64 (-1)
1.89 (-1)
2.55 (=1)
3.25 (+1)
3.83 (-1)
4. 64 (-1)
5.31(-1)
5.95 (-1)
6.62 {(-1)
6.97 (-1)
7.32 (-1)

4.24 (-2)
6.74 (-2}
9. 62 (-2)
1.32 (-1)
1.53 (-1)
2.07 {-1)
2.66(-1)
3.16(-1)
3.86(-1)
4.45{-1)
5.01(-1)
5.61 (-1)
5.93 (-1)
6.22 (-1)

100
2.04 (-2)
3.38 (-2)
4.95 (-2)
7,02 (+2)
B. 26(~2)
1.16(-1)
1.53 (-1)
1.85 (-1)
2.34 (-1)
2.75 (-1)
3.14 (-1)
3.55(-1)
3.79(-1)
4.01 (-1)

300
2.42 (=3)
4.75 (-3)
8.06 (-3)
1.32 (=2)
1. 63 (=2)
2.62 (=2)
3.86 (=2)
4.99 (-2)
6.83 (+2)
8.38 (-2)
1,01 (-1)
1,20 (-1)
1.30(-1)
1.40 (-1)

4

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