GROSS ACTIVITY
Table 20—Results of Analyses Performed at HASL
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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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