TABLE B-4-2. COMPARISON WITH ADJACENT STATIONS AFTER DEBRIS CLEARING
After Debris
was removed
0-N-1
(pCi/g)_
Isotope
Before Debris
1-N-1
(pCi/g)
was removed
2-N-1
(pCi/g)
1-N-1
(pCi/g)
241 Am
155Ey
137Cs
60Co
23.2
13.8
18.0
14.0
22.7
11.6
14.8
19.1
21.0
14.3
15.8
31.4
32.2
21.5
17.8
62.3
Isotope
4-8-3
(pCi/g)
5-8-3
(pCi/g)
5-S-4
(pCi/g)
5-S-3
(pCi/g)
241Am
21.0
25.9
22.3
41.3
60Co
24.5
28.8
21.4
37.3
155 Eu
137%Cs
12.3
27.9
15.1
27.4
1-S-1
12.6
19.4
2-S-1
3-S-1
23.7
36.3
2-S-1
Isotope
(pCi/g)
(pCi/g)
(pCi/g)
(pCi/g)
241 4m
159 Eu
137%Cs5
60Co
13.3
8.2
10.3
23.0
21.2
11.1
17.7
34.9
13.5
9.3
11.4
16.9
23.8
14.2
19.3
91.7
TABLE B~-4-3. SOIL DISTURBANCE RESULTS
Pearl 5-N-1 24lAm
5 Dee 77
Conditions
Measurements
(pCi/g)
Change
(96)
Differential
Change
(%)
Average of 3 measurements
20.6
0.0
IMP disturbs road 10 times
19.5
-5.3
3.0
Dozer removes 4" of road
18.9
-8.2
2.9
*Dozer tracks parallel and all
North-South Direction
18.3
“11.1
2.9
15.8
-23.3
12.2
10.5
-49.0
29.7
*Dozer tracks parallel and all
East-West Direction
Dozer tracks disturb soil in
a circular motion
*These dozer tracks are side by side in one direction over the entire surface of the cleared area.
B-4-3