11

GROSS ACTIVITY

Table 6—Results of Analyses Performed at HASL
LAND PLANTS
HASL|NRDL|
No.
No.

3437__..

‘

3438__-_

3439___-

Samprmsc
Location

ORGANISM

Tota ACTIVITY

TISSUE

Srv
d/m/gram

Caw
dj/m/gram

Ca
gramis/
gram

0,22 40.01

|---.-----.--

0.00022

C-Date* d/m/gram

ie and in- 4-17-56

621

Rongelap--.} Coconut_...]}

ner shell.
Milk.-....--.-Quter husk._._.
623 |...do_.....]--.-. do.__.._- Innershell_...Meat and milk.|
Outer husk.....

4-17-56
4-17-56
4-17-56
4-17-56
4-17-56

525

|.---W1do......|---..do.....-.

4-17-56

Inner sheil___--

Meat and milk_| 4-17-56
Entire....--..- 4-17-56

2640.7

4341.7 0.11 +0.10
19 +2.7
7lacL. 7 }-.---.---.--_.]-----.---2-26-0,7 0.14 40,06 |-...-.---.-9842.2 0. 047-40. 039 J-__--_.--..6641.7 0.70 40.04 j|-.---.-.-.-3540.7

0.081+0.071

0.00020
2604-230
0. 26
44
0.00038 |_.-..---...--_J--.-----]--.--.
0.00013
480+-210
O62 j....-.
0. 00001 2140-41800
0.048 |_--_.0.00085
375+ 21
11
[---.-0.23

186+ 98
104+ 4.7

0.004 }---..63
|------

6. 00031

67 29

0.45

|---..-

0.00010

11802-500

0. 62

38

Likiep.....j--... do.__..-_]-- 2. do.....----.

4-17-56

10-40. 7

0.0464:0.02

$441__.-

535

Rongelap..|

4-14-66

42+1.9

0.26 +0. 11

3447. ---

658 |-.--.do.__..-. Arrowroct.._|--.. do.....-.--- 4-14-56

3456_.-.

856

Gegen__. ..|--... do... -.-|...-. do_._..-..--

3476..-.

580

Eniwetok._|--...do__..-..]--.-. do.-.-u---.- 4-14-66

3492...

726

Enfaetak._.{...__ do... ..]-.... do._....-.--

4-14-56

6742.1

3505_...

674

Sifo. .-...-.]--_.-

4-14-46

§9-+2.2

3519_.-.
$541...

766
807

Utirik._....|...._do...2-}2 do_...-....- 4-14-56
Likiep...-./--__. do... feedo....-....- 4-14-46

2641.6
7341.1

0.22 +0. 06
<0. 13

17 +2.8/
3. 82.1

*O-Date: Date of counting.

|..-...

2452-215

Utirik... ._j....do_-__.--

— do.__....--

0.85

0. 00020
0. 0096

$03

4-14-56

450+ 21

0.00015

782

536 |-.--.do....-.|.---.dO..--ne-}---n0 do.._.------ 4-14-56

Percent
Osi?

j-.---.--.-.-

3513__--

3442.___

Percent
Sr

8722.1 0.080+0.043 j..--...-....
614-:2.0]2.7 40.1
|... 2-22.

3594_.--

Pandanus...|--... do._..---..-

8. 0. *

3041.5

S018

lost

lost

30044.1/3.6

+0.15

18043.8)

40.82

|-------....1

343.7

|i... 22.

0. 00010

S730

[.--.--

[_.--.---]------

|... ---2 2}. | ee] ee eee fee eee
0.0012

1370 57

L2

a3

64 +16]

6.00060

1050-620

0.77

30

0.20 +0.06

17°

40.6]

0.00060

1654: 45

0.19 +0.03

36

1.0

0. 0026

1.4

250

+6.4]/

324

0.00003
0.00070

6.2

3300910
<85

0. 30

25

0.31

61

0. 84
___-._--

65
52

«Sunshine Unit = 0.001 uc Sri/kg Ca.

B. Marine Organisms and Birds
Graph 2 indicates the general level of
activity in fish at Rongelap Atoll and the
decline of activity with time.’

Tables 7, 8, and 9 report the results of NRDL
analyses for the February 1955 survey.* Tables
10, 11, and 12 are for the February 1956
survey.‘ Tables 13 and 14 show the analyses

by HASL.®°

Table 7—Summary of Beta and Gamma Activity Concentration in Fish and Marine Invertebrates

(NRDL)*

RADIOACTIVITY CONCENTRATION (u¢/ke) (4)
LARGE FISH (>)

Location

No, of
Specimens

Rongelap Atoll:
North Lagoon... ....--....-.--------------

$i

South Lagoon....-...--.-..---..----..--_-

3

Rongerik Atoll:

SMALL FisH (°)

Activity

8

v

0.22
- 054

No. of
Specimens

CRABS AND CLAMS

Activity

&

v

No, of
Specimens

Activity

B

v

SNAILS
No.of
Specimens

1.2

22

49

1.58

4

Li

1,25

2

0.33

7

iM

0.94

3

0. 49

1.76

—(d)

Activity

8

19.5

Y

5.6

|-...-.-.[---..-..

Eniwetak......2-..-0--20--02---- een e een
21
0.23
0. 26
2
23
221 }-.-----Utirik Atoll:
Utirik.._...2-.---.-.- 402-22 --------- == |---| | -e--e
6
ai4
O04 jou fee eee
Likiep Atoll:
Likiep_._..-.--.--.----22---------- eee
1;
0.02
0. OL
3
205
01
1
0.12
0.35 |-..-_2--]..-2 fe.
Bikar Atoll:
Bikar_._...----.---0--- -.--------------- |---| ee | eee |e |e [eee
2
0.39
0.19 [.--..-.-] 2a}
(s) pe are in terms of Co® equivalent.

(b} 150g,

(Ce) <150¢.

(a) No data taken.

*Collections made about February 1, 1955, Data reported as of March 1, 1955.

Select target paragraph3