.
saet
ys
attr?
s
.
St tees
a
miles
is . still on oY
the bovdoast
of. the proving
crownd
itsels.
oy
+
At C9 milcs, tho contanduatvion wes domm to ,94 micra”
wo
>
yo
cuxies per seuave fecot,and at 160, Le wos .O2,
In graphing, you would find that the contanuimnation
vould csop very quickly.
“9
~
”
ner
e
4
Wa notice in all or ¢t
rivein or
4
d
>
md@ictrerad avoas the conteamiretion wcrc Limited to tho -suvinss.
*
’
negls
‘
1
ineh ef soll,
-
e
5
*,
In one of two placss,
able to ceus acyess cultivated gieles
nid-ling,
’
s
le
eS
fe
neato
wo ware fortunate an Roing
ihat were cisse to ths
In this case, we found that the surtace contsninationa
wes not as hich, bute the contamination vas cistedouted, as you
hrouckh the cultivaisd area, If you tried to
nn
make the corrections and account for the total activity sor the
activity covered by a scuare fcot of soil, we find the total con
tamination is vory similar.
Ina cultivated sitvation, this
was
boing winxed in ana being brousht dowa usre avedleabie to the
roots.
The plant species that wea samnpicd were atroplez, for
one, chrysanthomua, which is a “ecnposiio,
laria,
for another, and
Thero were a fow other snecies thrown in also.
Sven
thovzh the total rosidual contamination droprad very sharply,
tho level of contamination--this is not to the same sell but
just to show tho relative sloves--tho activity was, at the mest,
three tines greater than the backtroungd data wa had established
in 1l6Gl--again, vory, very low.
In sanypling jack rabbits anG Lancarso vats, wo find