enewetak radiological survey survey of enewetak atoll (v.3...islands in enewetak atoll. the...

NVO-140

VOLUME III

ENEWETAK

RADIOLOGICAL SURVEY .

OCTOBER 1973

UNITED STATES ATOMIC ENERGY COMMISSION

NEVADA OPERATIONS OFFICE

LAS VEGAS, NEVADA

:_ I

Appendix II - Survey Results by Island

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Map of Enewetak Atoll . . . . . . . . . . . . . . , . . . . . . . . . .

Cross-reference list of island names . . . . . . . . . . . . . . . . . .

Individual photomap scale factors . . . . . . . . . . . . . . . . . . . .

Contour map key for use with the EG&G aerial radiological survey figures . .

Survey results, Volume II B.

111

iv

V

vi

vii

ALICE ............................. .B.l.l

BELLE ............................. .B.2.1

CLARA ............................. .B.3.1

DAISY ............................. .B.4.1’

EDNA ............................. .B.5.1

IRENEA ............................ .B.6.1

IRENEB ............................ .B.7.1

JANET .............................. .B.8.1

KATE ............................. .B.9.1

LUCY ............................. .B.lO.l

PERCY ............................. .B.ll.l

MARY ............................. .B.12.1

NANCY ............................. .B.13.1

OLIVE ............................. .B.14.1

PEARL ............................. .B.15.1

RUBY ............................. .B.16.1

SALLY ............................. .B.17.1

TILDA ............................. .B.18.1

URSULA ............................ .B.19.1

VERA ............................. .B.20.1

WILMA ............................. .B.21.1

YVONNEA ........................... .B.22.1

Survey results, Volume III

YVONNEB ........................... .B.23.1

YVONNEC ........................... .B.24.1

YVONNED ........................... .B.25.1

YVONNEE ........................... .B.26.1

YVONNEF ........................... .B.27.1

_i-

I

Survey results (continued)

SAM .............................. .B.28.1

TOM .............................. .B.29.1

URIAH ............................. .B.30.1

VAN .............................. .B.31.1

ALVIN ............................. .B.32.1

BRUCE ........................... ..B.33 .l

CLYDE ............................ .B.34.1

DAVID ............................. .B.35.1

REX .............................. .B.36.1

ELMERA ........................... .B.37.1 .

ELMERB ........................... .B.38.1

ELMERC ........................... .B.30.1

ELMERD ........................... .B.40.1

WALT ............................. .B.41.1

FREDA ............................ .B.42.1

FREDB ............................ ,B.43.1

FREDC ............................ .B.44.1

FREDD ............................ .B.45.1

FREDE ............................ .B.46.1

FREDF ............................ .B.47.1

GLENN ............................ .B.48.1

HENRY ............................ .B.49.1

IRWINA ............................ .B.50.1

IRWINB ............................ .B.51.1

JAMES ............................ .B.52.1

KEITH ............................ .B.53.1

LEROY ............................ .B.54.1

Sumafy of Experimental Data ..................... C.

4

t

<

c

-ii_

I

Ih’TRODUCTION

This appendix is a compilation of radiological survey results for each of the

islands in Enewetak Atoll. The information for each island includes a color aerial pho-

tograph, a series of photographs overprinted with survey data, and a set of analytical

data. It should be noted that several islands (i.e., IRENE, I’lTONNE. ELMER, FRED,

and IRWIN) have been subdivided into sections (e.g., IRENE A and IRENE B) because of

their relatively large size. In addition, it should be pointed out that the sets of over-’

prints are not necessarily the same for all islands. Thermoluminescent detectors

(TLD’s), for example, were not used on all islands. For ease of comparison and clar-

ity, the same data parameter for each island is overprinted on the same color of

photograph.

For a discussion of the techniques used in collecting the data presented on the -

photographic overprints, the reader is referred to the appropriate section in Vol. I of

this document.

A typical set of survey results is outlined below for ALICE, together with the page

and figure designation scheme used.

ALICE Fig. No.

Current condition . . . . . . .

a. Color photograph . . . . .

b. 0- 3 MeV EC&G isopleth . . . .

C. O-300 keV EG&G isopleth . . .

d. Ground measurements with Baird Atomic

f. Soil-sampling locations . . . .

g. Vegetation sampling locations . .

h. TLD locations . . . . . .

i. 239

Pu soil content isopleths . . .

j. 90

Sr soil content isopleths . . .

k. 137

Cs EC&G isopleths . . . .

1. 137

Cs soil data . . . , . . 60

m. Co EG&G isopleths . , . . 60

n. Co soil data . . . , . .

0. Animal sampling location . . . .

Analytical data for soils . . . , . .

a. through m. Soil profile data plots .

.

.

.

.

.

.

.

.

.

.

.

.

.

.

B. 1. la

B. 1. lb

B. 1. lc

B. 1. Id

B. 1. If

B.l.lg

B. 1. lh

B. 1. li

B. 1. lj

B. 1. lk

B. 1.11

B. 1. lm

B. 1. In

B. 1. lo

H. 1.2a

through R. 1. 2m

-iii_

I

IRENE

EDNA1 ArJANET

Caral Head 0 (MACK)

Pacific Ocean

/GLENN

Wide Passage

Map of Enewetak Atoll

CLYDE

-iv-

At the end of Volume III, after the section on LEROY, is a section containing

microfiche transparencies reproducing all of the analytical data obtained in this survey.

Instructions on the use of microfiche film are also included in that section.

Site

Table B.l. Cross-reference list of island names.

Native names from U. S. Hydrographic Office charts

1946 1968

Native names from

Dr. Jack A. Tobin

ALICE

BELLE

CLARA

DAISY

EDNA

HELEN

IRENE

JANET

KATE

LUCY

PERCY

MARY

NANCY

0 LIVE

PEARL

RUBY

SALLY

TILDA

URSULA

VERA

WILMA

YVONNE

SAM

TOM

URIAH

VAN

ALVIN

BRUCE

CLYDE

DAVID

E LnIER

\lrA LT

1; R E 1)

Bogallua

Bogombogo

Ruchi a -

a -

Bogairikk

Bogon

Engebi

Muzinbaarikku

Kirinian a -

Bokonaarappu

Yeiri

Aitsu

Rujoru

Eberiru

Aomon

Biijiri

Rojoa

Aaraanb iru

Piiraai

Runit a - a - a - a -

Chinieero

Aniyaanii

Chinimi

Japtan

Parry a -

Eniwetok

Bogallua

Bogombogo

Eybbiyae

Lidilbut a

Bogeirik

Bogon

Engebi

Mujinkarikku

Billee a -

Bokonarppu

Yeiri

Aitsu

Rujiyoru

Eberiru

Aomon

Biijiri

Rojoa

Arambiru

Piirai

Runit a - a

a

BOKOLUO

BOKOMBAKO a -

LOUJ . a -

BOKAIDRIK

BOKEN

ENJEBI

MIJIKADREK

KEDRINEN a -

BOKBNELAB

ELLE

AEJ

LUJOR

ELELERON

‘. ‘AOMON

BIKILE

LO JWA

ALEMBEL

BILLAE

RUNIT a -

ANEROWIJ a

a - a -

Japtan

Chinimi

Muti

Parry a -

Eniwetok

a -

JINEDROL

ANANIJ

JINIMI

JAPTAN

MEDREN a -

ENEWETAK

-v-

Table B. 1 (Continued)

site

Native names from U. S. Hydrographic Office Charts

1346 1968

Sati1.c names from

Dr. .lack A. Tobm

GLENN Igurin tgurin IKl-R ES

BEXRY Mui Buganegan Xll:T

IRWIN Pokon Bogan BOKEN

JAMES Ribaion Libiron RIBEWON

KEITH Giriinien Grinem KIDRENEN

LEROY Rigili Rigili BIKEN

REX Jieroru Bogen JEDROL

OSCAR a a - - DREKATIMON

MACK a a - - UNIBOR

a?2o native name.

Table B.2. Enewetak Atoll individual photomap scale factors.

Island Altitude flown,

ft Scaie

ALICE 5000

BELLE 5000

CLARA 3000

DAISY 3000

EDNA 5000

IRENE A, B 5000

JANET 10000

KATE 3000

LUCY 3000

PERCY 3000

MAR Y- 3000

NANCY 5000

OLIVE 5000

PEARL 5000

RUBY 3000

SALLY 8000

TILDA 5000

URSULA 5000

VERA 5000

LVVI LMA 3000

I-lrOi\;XE A, B, C. D 5000

SAhI 1000

1 cm = 37 m

3-l

33

25

38

51

87

24

26

21

‘74

33

38

44

17

67

36

33

31

27

s 1

1 :?

c

c

<

c

I

Table B.2 (Continued)

Island

TOM

URIAH

VAN

ALVIN

BRUCE

CLYDE

DAVID

REX

ELMER A, B, C, D

WALT

FRED A, B, C, D, E, F

GLENN

HENRY

IRWIN A, B

JAMES

KEITH

LEROY

YVONNE E, F

Altitude flown, ft

2000

2000

4000

2000

5000

2000

5000

2000

5000

2000

5000

9000

6000

3000

3000

3000

3000

10000

Scale

lcm= 8m

17

20

15

42

12

44

18

47

. 15

48

77

55

29

16

26

20

95

Table B.3. Contour map key for use with the EC&G aerial radiological sur- vey figures in Appendix II. a

541 concentrationb Am (assumed IO-cm

137CsC 60Cod

relaxation depth) ~oncentratton ‘Concentration Gross averaged *50X for 1 cm =50% for 1 cm count over top (relaxation Exposure (relaxation Exposure exposure

Sym- Total JlC,/ITl2

10 cm, depth 4 10 cm). &i/m2

rate. 501 pCi/g vR/hr

depth c 102cm). rate, rate.e uCi /m /JR !hr pR/hr

A= A- A

B

C

D

E

F

G

H

Ii

o-21 o-9

21-30 9-13

30-45 13-19

45-66 19-28

66-100 28-42

LOO- 145 42-61

145-210 61-89

?lO-300 89-130

100-450 130- 190

o-o. 1 o-o.34

0.1-0.2 0.34-0.68

0.2-0.4 0.68-1.36

0.4-O-6 1.36-2.0

0.6-0.8 2.0-2.7

0.8-l-6 2.7-5.4

1.6-3.1 5.4-11

3.1-6.2 1 l-22

6.2-12 22-44

12-25 44-88

25-50 88-170

50- 100 lTO-340

100-200 ?40-700

200-400 ~00-1400

o-0.04 o-o.59

0.04-0.08 0.59-1.14

0.08-0.12 1.14-1.7

0.12-0.16 1.70-2.3

0.16-0.32 2.3-4.6

0.32-0.64 4.6-0.9

0.64- 1.3 9.2-18

1.3-2.5 18-36

2.5-5.0 36-72

j-10 72-140

10-20 140-290

20-40 2!?0-580

40-80 580- 1200

O-1.0

1.0-1.5

1.5-2.0

2.0-4

4-8

8-16

16-33

33-66

66-130

130-260

260-520

s20- 1050

-\-Ii-

I

100 METERS

100 METERS 1 1 I I J

Fig. B .23.1. g. Vegetition sample locations.

100 METERS

, .‘(

B.23.1.i.l. The average 23gPu activities (pCi/gm) in soil samples collected between depths of 0 and 10 cm.

-: c

?r

.

.

&

4 __

. .

_’

r.. ‘r_

.

1

. .

100 METERS :‘_ &

I 1 ’ ’ 1

$ ‘c . . P?hI I ,* . ‘..1.,._

.

. .

age 23gPu activities (pCi/gm) in soil samples collected between depths of 20 and 30 cn?-.

B.23.l.i. 3. The 8VeE

- :- k . :.

r* ,. _* ,

B.23.1.1.4. The average a3g Pu activities (pCi/gm) in soil samples collected between depths of 30 and 40 cm.

I

-1. ‘.

y’

- :,j

,,

.

._

E!i

‘2; u

r .

4

I

8

100 METERS

B. 23.1. i. 8. The average asgPu activities (pCi/gm) in soil samples collected between depths of 70 and 80 cm.

w

. ,

. 8

8

t *. - . -

.

=1 .

.d

VA

.

F3 .

L;-- ,

-:

100 METERS I I t I I

Fig. B.23.1.m. “Co isoexposure and isoconcentration contours. (Refer to alphabetic symbol key in this appendix. )

I

10

Fi

0 20 40 60 80 100 120’

Depth - cm

Lg. B. 23.2a. Activities of selected radionuclides as a function of soi

001

1 depth.

10

1

%.

I x

2 > ._

c ”

0.1

0.01

0.001 !O

Fig. B. 23.2b. Activities of selected radionuclides as a function of soil depth.

I

10

.oo 60 80 100 120

Depth - cm

Fig. B. 23.2~. Activities of selected radionuclides as a function of soil depth.

1

Depth - cm

Fig. B. 23.2d. Activities of selected radionuclides as a function of soil depth.

- zclI: j Location 105 1 ;

117_ XI:

40 60 80 100 1;

Depth - cm

Fig. B. 23.2e. Activities of selected radionuclides as a function of soil depth.

10

1

0.01

0.001 !O

I

Location 106

1

0

0 ,O 1

j: ,I~ y:“ii’li;i 0.001 40 60 80 100 120

Depth - cm

Fig. B. 23.2f. Activities of selected radionuclides as a function of soil depth.

---. -~ __._L ._______ - . _~.~I_. , .~_,_. , _ ~_ ._._ _.___.~. ._- -_-- ._.~.~. ~_~__ /~ . --.~ ,____ ~._ -.. 1 I ! 1 -~~:zLz-~-:--

A__...__ _-I--’ .---&-_

t---~ --./.

9G_ _:

137 C5

239,

0 20 40 60 80 100 120

Depth - cm

Fig. B. 23.2g. Activities of selected radionuclides as a function of soil depth.

1000

100

10

1

0 20 40 60 80 100 120

Depth - cm

Fig. B. 23.2h. Activities of selected radionuclides as a function of soil depth.

I

3.

I ” / I I / / I I 1

0 20 40 60 80 100 12:

Depth - cm

Fig. B. 23.21. Activities of selected radionuclides as a function of s

001

:oil depth.

I

1

0.1

Is,; I! 1 I 1: 11 I !‘/ ,‘I, I 1” i 1 I

I:,!‘!,,!:, ,;I 1 I : 1 ,.I’ I,‘!!1 !:‘I

1: i 0.01 0 20 40 60 80 100 120

Depth - cm

Fig. B. 23.2j. Activities of selected radionuclides as a function of soil depth.

I

I ,,:. .:j

z: : / : ; j ::7/ :.

I : :

-- _~._ : YVONNE : i_F:;~_&k-j’i 1 .--. : L:-:I:.:I-:m:

__ ‘_._~__ ___: Location 111 :. ~. __ _. . . _ m.-.Lm:z:_: 1 - l-------‘----- - ..__ i .__ ._._ ;___-.

9osr __ g

; =7

137 =-i cs sz

40 60 80 100 1:

Depth - cm

Fig. B. 23.2k. Activities of selected radionuclides as a function of soil depth.

1

0 30 0.1

60 90 120 150 180

Depth -cm

Fig. B. 23.21. Activities of selected radionuclides as a function of soil depth.

I

YVONNE ’

L i 1 _ (

-1. I-.. i:.::i. / 6oC0 _~_. , _ . ~. ;r : : : 1: ‘. i / j " 90, I i.:: I--

_..,--__+__. _, / , , o ‘“‘Cs ,

/,. , !

__p._-p-_+ - _ _.._ r--t- .-+_Iy

_. G-- -- + -._ _- ,.-___+.lf_-__

_L_-_----__-~_~ - .__. -

-- _-_______ _..._ ___.___~_~ .__. _

I I I

I I I ! -*- I’,‘: -, --

___._~~_ -~. 1 - -.-

’ -’ c --

I !” -----.-- ----~_-.. --_+._------)_-L-

, I ,

I ” ” ,“I 1’1 ., --_ . .c A

I’/, ~ t_-. i /

-ty! ;’ ‘11 ,” -* ._-c

i i

-t

: I//i ‘(

I / ’ I 1 i Ii// j/ -- .I_...

: 1 ,

i ; 1. / - ILI ,j , I :

I I 1 ! i II ;i : :f ; ,

I/!1 1’: ~ I

0 20 40 60 80 100 1

Depth -cm

1000

100

10

1

0.1

0.01

0.001

0.0001 0

Fig. B. 23.2n. Activities of selected radionuclides as a function of soil depth.

I

10

0. 1

0.01

0.001 ‘0

Depth - cm

Fig. B. 23.20. Activities of selected radionuclides as a function of soil depth.

Location 116

9. 1. .: ; ---_. .~_~_ 0 Sr :::I., I

I _._.L--_ _-~-.. _ _ _ _~. -- -

__--_. .~_ _ _

0 20 40 60 80 001

100 12 8 *

Depth - cm

Fig. B. 23.2~. Activities of selected radionuclides as a function of soil depth.

, I

-T;--- YVONNE / Location 117

I , t-- -~--. .~_ I , I

100

I! ,111 I I/, I,’ ,‘, ,’

+-- : f..f

/ ’ i /I/l ,,I’ 1

0

Depth - cm

Fig. B. 23.2q. Activities of selected radionuclides as a function of soil depth.

I I I I I I I. - - _ ___ __~_. _ - _.- . _ - __---.. I10

t :ii I I

30

Depth - cm

Fig. B. 23.2r. Activities of selected radionuclides as a function of soil depth.

.-.j+-.___. .I _--.-+_-_-. ,~f

Jl I : I T’l” :I:.“/

I : .:. :.. : ./ :-:’ I

\” 6 a

I x

C > .-

2 .l

.Ol

.OOl

Depth - cm

Fig. B. 23.2s. Activities of selected radionuclides as a function of soil depth.

1 1 1 I 1 ‘_--I -_~-~--- /

20 40 60 80 100 120”

Depth - cm

‘. 1

1. 01

Fig. B. 23.2t. Activities of selected radionuclides as a function of soil depth.

10

0.

0. 0 11

-, I I’ I I :‘/“‘,,‘I!!, , I I’i /

40 60 80 100 ,$.OOl

Depth - cm

Fig. B. 23.2~. Activities of selected radionuclides as a function of soil depth.

Fig

1000

100

0.1

9 .Ol

>il depth.

01

0 20 1 : I I:‘., I I

40 0.001

60 80 100 120

Depth -cm

Fig. B. 23.2~. Activities of selected radionuclides as a function of soil depth.

I

j ~. , , ,~, ,~, , ( _._,::., iv_

“IONNE -=:~ L”‘“ll”ll 125

1. i i:i- .i -:i:::;i

zezzz .--1m- _L___ :_~. .~. _ -- ----_m,. .~ :. 9osr

I i 1, ! i I ” I : I ” I

I I 1 / ! I ,,,, 1 i:lll,:.I’lli 0.01

0 20 40 60 80 100 120

Depth - cm

Fig. B. 23.2~. Activities of selected radlonuclides as a function of soil depth.

I

Depth - cm

Fig. B. 23.22. Activities of selected radionuclides as a function of soil depth.

Depth - cm

Fig. B. 23.2aa. Activities of selected radionuclides as a function of soil depth.

0

Fig

0 20 40 40 80 100 121)

Depth - cm

‘. B. 23.2bb. Activities of selected radionuclides as a function of s

I. 01

. 001

oil depth.

Fig. B. 23.2~~. Activities of selected radionuclides as a function of soil depth.

100

A %O

0 9osr

0 13'C5

0.1

0.01

0 20 40 60 80 loo- -121

Depth - cm

0.001 0

0

Fig.

Depth - cm

B. 23.2dd. Activities of selected radionuclides as a function of SC Ii1 c Depth.

I.01

Fig.

1

x C > .- +

2

0.1

0.01

0.001 0

Ii1 depth.

0

x .t > .- ‘0 Q

.l

.Ol

.OOl

Fi

Depth - cm

.g. B. 23.2ff. Activities of selected radionuclides as a function of soil depth.

Fig.

x .Z > ._

2

0.01 0 20 40 60 80 100 12ci--

Depth - cm

B. 23.2gg. Activities of selected radionuclides as a function: of soil d epth.

40 60 80 100 121

Depth - cm

001

Fi .g. B. 23.2hh. Ac?i\-lties of scltac,tf:tl raci: nuclitic,s as a function c>f soil depth.

0

.Ol

,001

Fig

Depth - cm

;. B. 23.2ii. A(,ti-.-ltit:s 01 strlt:~~t~~rl radlonu(~llclt~s as s Anct: in of soil depth.

01

001

Fi g. B. 23.2jj. -4ctl-:lties of selected radionuclides as a function of soil depth.

Depth - cm

I

60 100 120

Depth - cm

.OOl

Fig. B. 23.2kk. Acti\-itles (11’ selectcti radifjnuclides as a function of soil depth.

Fig

0 20 40 60 80 100 12

Depth - cm

I. B. 23.211. _Actlvities of selected radionuclides as a function of

1

0.01 0

soil depth.

.- ..:-:

100 METERS I 1 1 L I

Fig. B.24.l.c. 2 41Am isoconcentration contours, (Refer to alphabetic symbol key in this appendix. )

m

. . .

.

. ‘.

*

. .

. I

.., . .

-- :

: I.

..-

I

,’

*. ..’

i

,’ _

‘- *

:.i

-2, * .\I,

c -

a

.

100 METERS L 1 1 ’ I

1.4 2.4

4.6

2.2 1.1 2*o

1.3 4& 1.3 3*3 2.8

9.54.’ 7.1

7.3

20 0.3 8 1.9 2.3

.8 0 170e08

1.5 ci44

t %

1 ,__pL_;_ ‘( <_ :., .: .-L _A __L._ _ ._.

Fig. B.24.l.n. The average “Co activities (pCi/gm) in soil samples collected to a depth of 15 cm.

. .,

I

Fi

0 20 40 60 80 100 120

Depth - cm

.g. B. 24.2a. Activities of selected radionuclides as a function of SC

I x

.Z > ._ ‘0 Q:

.1

01

001

Cl depth.

I

A *CO

0 9osr

0 '37CS

0 30 60 90 120 150 180

Depth - cm

[. B. 24.2b. Activities of selected radionuclides as a function of soil depl Fig

i

Fig

0.01

nnn 0 30 60

_*-_ 90 120 150 180

Depth - cm

. B. 24.2~. Activities of selected radionuclides as a function of soil

1

dep kh.

1000

3

60

YVONNE Location 61

A

00

0

Depth - cm

Fig. B. 24.2d. Activities of selected radionuclides as a function of soil depth.

_-

=.G_

T-

- -,

’ h

- .-

u w

, +

A

@?,

.. 9.

. ,,..* ik

I

4

: ‘,

I

.

. . .

I

_ .

I

,’

+

z . :’

. I.

,’ :

:I’ _.-

1 ’ r ’ 1 S~313W 001

h A

. . -,

1

.

, _;$. .

I.., . :,

5..

_ I.

*-

i _

. .

.t-.. :

. . .

. -2

.’ .

. .

.-

r . . . .

Fi g. B. 25.2a. Activities of selected radionuclides as a function of soil depth.

0 30 60 90 120 150 186’ Depth - cm

0

,Ol

001

100 METERS 1 ’ 1

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01 key in this appendix. )

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Fi _g. B. 28. 2a. Activities of selected radionuclides as a function of soil depth.

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Fig. B. 29.1. g. Vegetation sample locations.

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Fig. B. 29.1.1. The average m7c~ activities (@i/g) in soil samples collected to a depth of 15 cm.

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Fig. B. 29. 2a. Activities of selected radionuclides as a function of soil depth.

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