Py

.

fore concentrated on those popolated atolls indicaticrg sare than 10
cw

ar/br eat E plus 24 hours and which were nct evacuated. Por this pure

pose @ special survey was set up under the technical direction of Dr.
Thomas N, White, E Div, LASL, assisted by Major Robert Crea, By JT?
SEVEN, to start from Kwajalein on 5 Karck by FSM.
Following the survey unmer Dr. White end Major Crea, the next
effort was directed toward acquiring data on the evacuated atolls is
order that the effects of the radiation could be better evaluated.
The investigation included ground monitoring and the taking of soil

and water samples froa living ereas. Secondary purposes were efforte
to reduce the adverse impact on real and personal property of the basty

departure, to determine radiation data of scientific interest and to

evaluate the time of reoccupancy by the farmer inhabitants. This effort was assigned to a destroyer in order that working parties would

Project 2.5a.

The rehabilitation partion of the effort was placed

Trust Territory representative in a FSM rendezvous with the destroyer

TER

at Rongelap early acrning of 8 March,

Co)

Arrangements were sade to air skip soil and water sazples to

EBealth and Safety Laboratory, AEC, Sew Yark Operations Office, Atten-

tion Me. Merril Bisenbud.

Mr. Eisenbud was requested to provide the

task farce with decay information and activity per unit erea on the

soil samples and activity per unit volume on the water samples.

Se

was also requested to make such other analysis as he thought neces
sary considering the umsual circumstances and interest in ERAVO Event.

Detailed reports by Dr. White, Or. Scoville ani Iajor Crea bavebeen distributed separately to interested agencies. Contiming surveys
of the evacoated atolls have been sade for picking up of anisals for ped-

{eal studies, rehabilitation and for studies of marine life. eports on
these activities will be included in the above distribution as they becone available.

6 Incl

2

‘

/

1. RadSafe factors Considered at

the Wea RadSafe Command Brief-

04 Come

RICEARD 4. BOUSB

Lt Colonel, USAF

Chief, Tech Ops Branch, J-2

ing.

2. Memo for Record: with 6 Incl covering
RedSefe Briefing material as presented

at Cud Briefings for BRAVO.

3. Discussion of Off-Site Pall-out.
4. Cloud Tracking Operations.
5. Mi: Frotection of Transient Shirping
During Operation CaSTLE.

6, Analysis of Fall-out Following BRAVO
Event with 4 Incls
“se

rere
set ee

OOTP

under the supervision of the commanding officer of the destroyer. The
party with equipment departed 7 March for Kwajalein to join with the

‘

°

rae

07

bave a floating base for cperations ashore and decontamination facile

ities afloat. The tecimical direction of the effort was placed unier
the supervision of Dr. Farbert Scoville, Technical Directar, Armed
Forces Special Weapons Project, assisted by representatives of CASTLE

Select target paragraph3