220

Health Physics

August 2010, Volume 99, Number 2

Table 1. Summary ofcollection dates of urine samples in 1954, sample size, and related information.
Institution
responsible
for sampling

Group sampled

Group
code*

Date of
collection
(1954)

Days post
detonation

LASL?

Rongelap

LA316R

16 March

15

LASL

Rongelap

LA317R

17 March

16

LASL

LASL
Unknown

Unknown
AEC-NYOO

American military

LA318A

weather
observers on
Rongerik

LA328J

Japanese fishermen LA414J
of Lucky
Dragon

Rongelap

17-9

35 (adults of 48
evacuated)

31. (adults from

same group of 48
evacuees)

(adults)

Description of
samples
24-h

24-h

(HASL)

Rongelap/PBM

#22588 and personal
notes of P.S.H.

24-h

19 March

18

15 (adults)

#22588 and personal

24-h

#22588 and personal

28 March

27

~—-.2 (adults)

Unknown volume, but
assumed as 1 L d™!

notes of P.S.H.
*******5 and personal
notes of P.S.H.

14 April

44

2 (adults)

Unknown volume, but

**#558 and personal

assumed as 1 L d7!

NY325R

25 March

24

29 adults‘

Unknown

(HASL)*

AEC-NYOO

References
#eTEESSS and personal
notes of P.S.H.

notes of P.S.H.

Rongelap group on LA319S_
Sifo, Ailinginae
Japanese fishermen
of Lucky
Dragon

18 March

No. of subjects (age
category)

NY325RP

25 March

24

group®

13 adults‘ of 16

Unknown

evacuees

notes of P.S.H.

#22588 and personal
notes of P.S.H.,
also see footnote d

#22588 and personal

notes of P.S.H.,
also see footnote f
and #*#

AEC-NYOO
(HASL)

Rongelap group on NY325S

25 March

24

15 adults‘ of 18

Unknown

Sifo, Ailinginae

#22588 and personal
notes of P.S.H.,
also see footnote f
and #*#

AEC-NYOO_
(HASL)
AEC-NYOO_

Rongelap

NY401R

Rongelap

NYS501R

AEC-NYOO_

Rongelap

NY60IR

AEC-NYOO_

Rongelap

NY90IR

~1 September

NRDL

Rongelap and
American
military weather
observers

NY403RA_

3 April—
8 April

NRDL

Rongelap

NR413R

13 April

(HASL)
(HASL)

(HASL)

1 April

30s

31 adults

Unknown

~15 May

~75

Unknown

Unknown

#eTEESSS and personal
notes of P.S.H.
Cronkite et al. (1956)

~1 June

~90

Unknown

Unknown

Cronkite et al. (1956)

~180

Unknown

Unknown

Cronkite et al. (1956)

33-38

43

26 total: 6
Americans
(adults), 20
Marshallese
(ages unknown)
27 total:
Marshallese: 8 <

24-h

Cronkite et al. (1956)

24-h

Cronkite et al. (1956)

24-h
24-h
24-h
24-h

Cronkite
Cronkite
Cronkite
Cronkite

5 y®, 13 of 5-16

y, 41 >16 y', 25
NRDL
NRDL
NRDL
NRDL

Rongelap
Rongelap
Rongelap
Rongelap

NR416R
NRSI5R
NROOIR
NR9OIR

16 April
~15 May
~1 June
~1 September

46
~75
~90
~180

Americans (adults)
Unknown!
10 > loy
10 > loy
68 total:
Marshallese: 8 <

et
et
et
et

al.
al.
al.
al.

(1956)
(1956)
(1956)
(1956)

5 ys, 15 of 5-16
y', 45 > 16 y™
* Similar to the codes originally used by Harris: institution abbreviation (LA for LASL, NY for AEC-NYOO, NR for NRDL), month,

day of month, group identifier: R (Rongelap), J (Japanese), A (Americans), S (Sifo, Ailinginae group from Rongelap).
>Los Alamos Scientific Laboratory (H Division).
© Atomic Energy Commission-New York Operations Office (AEC-NYOO, renamed HASL,i.e., the Health and Safety Laboratory, 1953).
* According to Woodwardet al. (1959), 141 samples were collected by NYOO from 24 March through 24 September and analyzed as 19 pooled
samples (aggregated by age) though the reference does not provide a breakdown of number of samples collected on each specific day.
* Marshallese group evacuated by seaplane, i.e., patrol bomber “Mariner” or PBM.
"Eugene Cronkite to Merril Eisenbud, 4 April 1954, Declassified Memorandum. Same as footnote **. Available from: https://
www.osti.gov/opennet/servlets/purl/16366538-uKs8tj/16366538.pdf. Accessed 2 June 2010.
© Seven from Rongelap, | from Ailinginae.
" Eleven from Rongelap, 2 from Ailinginae.
' Thirty-one from Rongelap, 10 from Ailinginae.
! The numberof persons sampled on 13 April and 16 April cannot be discerned due to inadequate explanations in Cronkite etal. (1956).
* Bight from Rongelap.
' Twelve from Rongelap, 3 from Ailinginae.
™ Thirty-three from Rongelap, 12 from Ailinginae.

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