CONVERSION SCALE
Letter
_Label
Gamma Exposure Rate*
(uR/h at 1 meter)
A
€ 0.07
B
0 .07 -
0.14
C
0 14 -
0.30
D
0 30 -
0.65
E
0 .65 -
1.4
F
14
-
3.0
G
30
-
6.5
H
65
-
10
I
10
-
20
J
20
-
30
K
30
-
50
L
50
-
70
M
70
- 100
*Extrapolated from aerial data obtained at an altitude of 38
meters (125 feet). An additional 3.3 yR/h due to cosmic ray
contributions must be added to obtain the total external
exposure rate.