GROSS ACTIVITY

Table 20—Results of Analyses Performed at HASL
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1600-92

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414-56

6203-79

3530... ....-

3507... ....

768
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16200
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S0. 47
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SO. 58
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1535400
3.40. 72

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*C-Date: Date of counting.

Bee table 34 for estimates of excilabie calcium and of Sunshine Units.

D. Water

not represent all of the radioactive material
that fell on these surfaces. In fact, data from

other fallouts suggest a value of about 10-20%

Table 21 suggests a relatively high ratio of

activity associated with the filtrate.

solubility.

Tables 18,‘ 21,? and 22 ? show additional data
on gross activity found in water sources. Table

However,

it is probable that much of the insoluble material had settled out, therefore, the values do

23 gives the analyses by HASL:$

Table 21—Radioactivity of Water Samples, July 1954-October 1955 (AFL)
(Values expressed in d/m/Iiter+0.95 counting error)
Lacoon WatTER
Date and IsLanD

Untreated

Treated

Istanp WATER
UNTILTERED

FILTERED
Filtrate

’

a

Bongelap Atoll:

7/16/54, Kabelle

12/18/54, Rongelap
1/26-30/55, Eniaetok.
Kebelle__......-....
Labaredj....
Lomuliial.
R
jap.
ote
eeeen10/21-22/55, Kabelle.....- 22-2 -- ean ee nee eee nee eeneens

Labared}...

Rongelap.

meetinnanna ne

Aflinginae Atoll:
10/23/65, Enibuk

-

-

.
-

eons

33002-3200 |..-..
330042700
68004-3000
86003-3000
560043000
35001600

00021500

~---|
|.-..--...-..-|..--..-----...
2-2.
[.-.----.-----4104150

Residue

380003:190*
18004-1808 |-..-..-..-.. ~
170003220088
.
480002-3200°* [2 eee
250004: .....2---2--.-}------ ea nnee
eee
42004.1800°
|. - 2 - 2. -

450160 |. -ee eee fee eee een eneeeeeecnone

19003-1600

604120

5404-120
53004140
1300+88

310-4190
49004-2000
8502140

T6ALIE
1200+:34*
75419"

1600+1400

802130

14004091

8204140

820568

*From cistern near schoolhouse; #from well back of schoolhouse; **ground water; ##standing water from can, drum, ete.; *** from elstern with
collapsed roof. Date of analysis: November 18-20, 1955.

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