Daily rain showers, typical of the Marshalls in the spring, provided
ddi-
The release of vehicles and equipment contaminated at 0.010 R/hr
ry
tional decontamination for articles stored outdoors.
less still presented a problem when these items were removed from sto
age
for use at Enewetak or shipped to the United States.
mis-
Even these low
sion levels jeopardized low-level decay measurements in sensitive are
therefore, low~level contaminated equipment was excluded from them. F rther
decontamination of these items would have been difficult and impracti al.
Scientific experiments were usually decontaminated by brushing or
water spray before transport to Parry.
decontamination procedure
In some cases, however, the e tire
(e.g., TG 7.4 aircraft) was conducted at Pa
(Figure 39).
Figure 40 shows a tent for changing contaminated clothing at Parr
Contaminated clothing was removed at this and similar checkpoints to
oid
the spread of contamination into uncontaminated areas.
ee
TG 7.2 used t
mobile laundry units to decontaminate clothing for TG 7.4.
The laund
Plant on Enewetak Island employed 41 men on the day shift and 17 men
the evening shift.
The contaminated wastewater drained directly into
he
lagoon.
Radiation of personnel and material was measured with side-windowGeiger counters.
The instruments, which contained counter tubes with
thicknesses of about 30 mg/cm”, were used with the beta shield open.
possible, the surface of the probe was held from 1 to 6 inches
cm)
type
all
en
(2.5 to
from the surface under observation.
Aircraft Decontamination
Table 13 lists all aircraft involved in CASTLE.
In addition to th
7.4 cloud tracking and sampler aircraft, P2V~6 aircraft required decon
nation, as did the amphibious aircraft used to evacuate
sonnel from Rongerik and natives from Rongelap.
152
weather statio
ami-
per-
The RAF Canberra samp er