654
RADIOLOGICAL CLEANUP OF ENEWETAK ATOLL
FILE
:
10,776
17,581
2,338
12,248
S01
Nose Swipes
*
1,145
TLD
f
[
NUMBER IN SYSTEM
Master
Island Access
Bioassay
Dosimetry
Pocket Dosimeter
i
“Ss
7,519
Total
52,108
b. Bioassay Data
Potassium-40 (K-40)
:
— Range <50 to 4,100 pCi/Liter
— 2,313 Readings (98.9%)
2500 pCi/Liter
Gross Beta (GB)
— Range <300 to 4200 pCi/Liter
— 2,315 Readings (99.0%)
2500 pCi/Liter
GB to K-40 Ratio
— Range 0.27 to 3.05
— 2,305 Readings (98.6%) =2.00
Plutonium-239
— Range <MDA to 0.12
pCi/Day
— 2,332 Readings (99.7%)
<MDA
c.
Dosimetry File
Doses Recorded
Zero Readings
1-10 mrem
11-20 mrem
>20 mrem
(99.97% <70 mrem)
d.
12,248
8,361 (68.3%)
3,712 (30.3%)
157 ( 1.3%)
18 ( 0.1%)
Pocket Dosimeter File
Doses Recorded
Zero Readings
1-10 mrem
501
486 (97.0%)
10 ( 2.0%)