on
qe.
i
,
4
Tags
Yi
4
QC
Concentration(ricrocuries
per miliiiiter extrapolate
ed ic 3 days after detona-
eeererenenereeereed
$4on)
ra
‘
eoretical axis
Whole-body Gamma
Infinity Dose
Virgin River Irrigation Canal, Kev
8.7 x 1079
é,
Irrigation Diteh, 56 mi.no, of Pioche, fev
4.5 x 10~5
0.15
Lower Fahranagat Lake, Nev
3.2 x 10%6
2,
Virgin River at Mesquite, Rev
2.6 x 1076
2.5
Bunkerville, Key (tar water)
1.2 x 10-46
7.0
"1.1 x 196
0.75
Crystal Springs, Mev (tap water)
Bue to weather and to ettenustion of the gamva rays by buildings, the
whole-bocy ganna cose estinated to huve been actually delivered was probably
closer to one-half of the values shown.
The raximz: permissible eoncentration of fission products in drinking
water is § x low3 pe/=l extrapolated to three days after detonation. This is
considerec a safe concentration for continuous eonsurption.
hhereas, the monitoring of water sources is of value for docuzuentary
tealNY.
puryoses it should be recognized that the concentrations found nay vary
widely within «mall geographical areus and even at the same loention at
different tines (taking into account radioactive decay).
eannot be placed in precise values.
Thus, confidence
Table ¥l.a. sugrests that even if one
were to have stored up the water listed at Virgin River Irrigation Cenal
Ct
NX
and subsisted entirely on this for a lifetine, the concentration would be