—— =
L
ew oe
ee
when coconut tree sep ("Jugeroo") wes virtually unobtainable even by
native Harshollese. Use of this raterial as food for infants mikes it
rerit study fran a contanination stendpoint.
Artovroot stecg3 and leavea show a considerable anount of activity
but the ratio of the ectivity in tha supporting system to that in the edible
part is much less than for coconuts.
Tuis is understandable when tha rele-
tive wrxunts of fruit end supporting systea in both instances are considered.
2.2.3 Goil
Exposed profile, tube coring anid gross samples were collected to
describe the distribution of activity in the island profiles and especially
in the areas of extensive food plant rroduction.
A sucmary of the beta activity in gross samples of soil is given
in Table 2.3,
Table 2.4 presents data obteined from exposed soil profiles.
the probability of cross-contanination in these samples vas small.
Teble 2.3
Guncary of Eeta Activity in Gross Sarples of Soil
Turtber
of So~>les
isinn’d
8/rin/e
O to 1 in.
1 to 5 in.
Liiep
1
a
Utirik
4
550
5370
Roncelap
5
8,900
£99
Ertaetok
2
48,000
En
Labereaj
3
&5,000
1,30
Kobelie
6
3§,000
3,100
Gejen
1
318,000
12,400
1
8,400
90
Z
12,000
eho
Bitar
.wey
,
Cc o a
wel