TABLE 7-5. POST CLEANUP ISLAND AVERAGE TRU* IN SURFACE SOIL AND AVERAGE
EXPOSURE RATES FOR13?cs AND 59Co
Island
Approx.
Area, ha
Numberof
Points on
Primary Grid
TRU, pCi/g
Range
Mean
37g
R/h
@lm
80
R/h
@lm
Alice
9.0
27
6.4
- 185.7
75.9
29.3
17.4
Belle
12.0
43
11.8
- 155.9
95.2
35.8
15.2
Clara
3.0
24
19.9
-
75.2
40.1
18.3
9.2
Daisy
8.5
30
10.4
- 122.8
43.3
4.4
7.0
Edna
4.0
12
23.8
-
39.1
32.7**
-
-
Edna D.
0.5
2
87.5
- 121.9
103.0**
-
-
Irene
18.0
61
6.0
- 131.2
31.5
3.3
13.0
Janet
118.0
376
0.1
-
63.4
19.8
10.2
3.3
Kate
6.5
21
3.7
~
52.9
20.2
5.0
1.8
Lucey
8.0
28
16
-
81,5
35.0
6.1
2.6
Perey
0.8
6
1.9
-
17.1
-
-
Mary
9.0
12
5.0
-
94.8
18.5
3.1
1.4
Mary D.
0.5
4
8.8
- 138.8
54.3**
-
-
Nancy
4.5
47
7.1
-
64.7
33.5
6.8
2.2
Olive
16.5
a4
2.8
-
65.3
19.7
5.1
1.9
Pearl
22.0
76
7.7
-
98.6
36.4
4.0
7.0
Pearl D,
0.5
3
69.1
-
-
Ruby
1.5
9
1.8
-
12.7
8.2
0.6
3.8
Sally
40.0
153
0.1
-
81.2
i)
2.0
1.5
Sally C.
- 165.2
5.8**
122.8**
0.8
6
12.5
-
33.4
20.7**
-
-
Tilda
21.0
38
0.4
-
19.9
6.6
2.3
0.7
Ursula
16.0
16
0.3
-
4.4
1.9
0.9
0.3
Vera
15.5
a7
1.0
-
13.3
7.2
1.7
0.5
6.9
20
0.4
-
7.7
3.3
0.8
0.3
Wilma
S. Yvonne***
15.5
135
0.1
-
34.4
7.8
0.6
2.5
N. Yvonne
21.5
298
0.1
- 275.2
41.2
2.6
5.0
* TRU is defined as the sum of Z4lam, 238py, 239,240 py in soil.
** TRU from soil samples; !37Cs and ®9Co results not computed.
*** South of 1310 bunker.
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