IP oe
°
b, Development and interpretation of exposed film badges.
Maintenance of film-badge exposure records.
d. Provision of facilities at the Parry Island Rad-Safe Center and aboard the USS
Bairoko for calibration, repair, and maintenance of monitoring instruments and for
storage and issuance of spare radiac- equipment parts,
Procured radiological-safety clothing for JTF-7 personnel.
1.4
Procured and issued special high-density goggles to specified personnel of JTF-7.
Provided decontamination facilities for personnel and equipment.
Conducted laboratory studies to determine the nature of radiological hazards.
UNIT ORGANIZATION
The organizational chart for TU-7 is shown in Fig. 1.1.
,
|
COMMANDER
~
ADMINISTRATION
'
FOO ee nme my
[~——-4 TECHNICAL ADVISORS
'
Lee LL J
SUPPLY
[
i
CONTROL
LABORATORY
Fig. 1.1
DECONTAMINATION
TU-7 organizational chart.
Two radiological-safety centers were established for Operation Castle, one at Parry Island
and one aboard the USS Bairoko in the Bikini lagoon. Each center was equipped so as to accomplish the unit mission independently. TU-7 personnel were transferred freely between the
two centers, according to the radiological situation and the extent of personal exposure.
Subcenters of the Bikini Rad-Safe Center were established aboard a barge adjacent to the
USNS Ains\orth, aboard the USS Curtiss, and aboard the USS Estes. These substations acted
primarily as control and personnel-decontamination points for TG-7.1 and TG-7,5 projects,
Since the establishment of subcenters had not been anticipated in the preliminary personnelprocurement planning, TU-7 personnel were very thinly scattered throughout. This extension
of personnel reducedthe effectiveness of TU-7 in some areas but permitted decentralized and
controlled recovery operations.
Communications between the Bairoko Rad-Safe Center and the subcenters were maintained
through the task group administrative net and a special frequency Rad-Safe net. These nets
permitted direct communication between control points and the dosimetry record unit aboard
the USS Bairoko.
1.5
1.5.1
CONCLUSIONS AND RECOMMENDATIONS
Conclusions
1. The organization for radiological safety at Operation Castle was adequate in structure
but inadequate in number of personnel.
2. The responsibilities of procuring, developing, and interpreting film badges and the
maintenance of film-badge exposure records should be delegated to the individual task groups.
14