-lJ]-
An estimate of the potential tritium exposure can be obtained by comparing the tritium concentration in water
condensed from the cloud.
Reviewing the previous results from this standpoint, water from the
Cah rile T”
highest ground level air sample result
(Buges—-F at 20 miles)
tee
tain ener liens cine taranlel
7.5 times the continuous exposure guide.
this location was on-site; and
impossible,
is only
It should be noted that
(2) it would be very hard,
(1)
in fact
for enough water to be removed during cloud passage
(unnaturally or naturally by rain, etc.) to amount to more than
several days drinking supply.
A similar statement can be made for
water from aerial samples; even those collected over GZ.
SEST
nat Vet atest ir
Taking a more I AVA ILABLE CORY.:: samples, even the aerial
ones collected over GZ, are
protection guides.
Also,
fom
&
Orly
all the water
results,
ra Pee
oe
of the daily average
including snow samples,
are less than 1/30 of the daily concentration guides.
de beer eee eee
“
None of these
water samples represents human drinking water supplies.
It is evident
that the actual exposures of the population to environmental levels of
tritium were considerably below the guides.
’
94
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