5
wee
7
dy
NODS
CA ed
ae
an
i
ae
J
.
Table 1. MpaAN OUTDOOR y-RaDIATION LEVELS *t 7 a
we 75
ra
Region
”
a
“
‘6
,
New Hampshire
1. Manchester
a
Bedrock
.
2, Concord
3. Franklin
4, Conway
Vermont
1. Rutland
2. Middlebury
-
|
.
3,
Bennington
4. Burlington
eU*
(p.p.m.)}
Fitchburg Granite
23
Binary Granite
Littleton Formation
Conway Granite
26
23
45
Dunham Dolomite
Beldens Formation
5
5
Glacial Drift
9
Monkton Formation
11
ar./h
EK
2-5
4
pr./h
U
r
iv, + )
p.p.m,
er. /h
h
*
_Pie
=
p.p.m.
uy fe
v
4 Naturat'y
en/h
1-5
1:7
1:4
2-1
1-1
LS
a4
4-3
35
56
11-9
0-7
15:6
8-4
71
10-9
111
o-4
14:3
9:2
22
2-6
3-2
1:5
1-9
1:0
08
1:3
1-1
2-0
2'6
56
7-2
5-6
6-6
74
8-7
2-3
2-0
24
1-4
10
13
18
5-0
5-2
6-8
24°
33
1:9
1:0
16
1-6
2-2
1-3
22
7-0
Y
ar./h
29
2-4
3-6
1:2
1:2
1-7
ord
eU
(p.p.m.) |
~
Fallout |
61
6-5
86
22
18
27
2-0
* Mean bedrock radioactivity as estimated by Billings‘.
e
‘
wa
vo
Table 2, MEAN WEEKLY Doses IN MR./WEEK
Geological category
Dunham Dolomite
Beldens Formation
Glacial Drift
.
-
Monkton Formation
Fitchburg Granite
Littleton Formation
Binary Granite
Conway Granite
eU (p.p.m.)
|
Mean population exposure
i
;
Natural
Dosimeters
Outdoor
Natural »
Outdoor
Total y»*
Cosmic
5
0-04
1:34
0-62
1-69
1:37
2-97
9
1:09
1-48
Q-62
1-76
1-49
3-01
5
11
23
23
26
45
1:11
0-87
1:18
1:19
1:41
1:83
* Includes fall-out, averaged overall locations within an area.
t Obtained as indicated in the text: in unita of air dose rate.
1-43
'
1:27
1°52
1:63
1:78
2:27
0-60
0-59
0-60
0-61
0-60
0-61
|
19627
1:74
161
1:82
1-91
2°05
2:43
1-49
|
1:29
1-54
1:56
1:73
2-07
286
2-70
3-13
2:97
3:21
3:67
|
|