—
Fes
CHAPTER
5
GAMMA-DOSE RATES
t
Gamma-dose rates at 3 ft above ground were determined with
AN/PDR 27 C survey meters.
Specific locations which had been monitored on earlier surveys were
resurveyed whenever they could be located. General surveys were run
on all islands. A linearity calibration was carried out on the instruments
with a 93.53-mg Ra source.” Low intensity Cs 137 standards were carried
5.1
RESULTS AND DISCUSSION
5.1.1.
Peer j
in the field in order to maintain a continual check on the behavior of the
instruments.
.
Genera! Sirveys
Table 5.] contains the gamma-dose rates found on the islands
TABLE
{
t
These data are reported as of 11 months post-detonation.
vd
surveyed.
5.1
Average Gamma-dcdose Rates on Islands
Atoll
Likiep
Utirik
b.xar
Rot.gezik
Rengelap
Ron geiap
Rougelap
Roagetap
Ron gelap
Rorgelap
Rorgelap
Ron ge lap
Wlaod
Gaimma-duse Rate
(mr/br at 3 ft)
L’kiep
Urtirik
Bikar
0,04
0.14
0,27
Roigelap
Buca
Eniaetok
Labaredj
0.7
0.8
2.4
3.0
Lukuen
Gejen
Lomuilal
4.8
5.4
5.8
Eniwetak
Ka belle
0.7
,
DOE ARCHIVES
4,2
Made available by the Radialugical Safety Section, Atornic Enetc, Commission, at the Pacific
=
Proving Grounds.
-23-
a
cwae
32