TeAbis
a
Gu
5
be
Concentration(microcuries
per williliter extrapolate
ec ic 3 days after detona-
Theoretical Masha
‘Whole-body Gamma
Infinity Dose
Virgin River Irrigation Cana:, Nev
F.7 ¢ yx
é.
Irrigation Ditch, 56 mi.ao. of Pioche, Nev
4S x 19
0.15
Lower Pahranagat Lake, Mev
3.2 x Loeb
2,
Virgin River at Mesquite, Nev
2.6 x 197?
2.5
Bunkerville, Nev (ta; water
i.2 xe 10°
7.0
Cryxtul Springs, Nev (ta. water
12 2 low
0.7%
Due to weat>er anc to attenuation of the gamma rays by buildings, the
whole=bocy gamma iose estinated to have beer actuaily delivered was probably
closer to one=nal” of the values sabowr
The waxisuy vermissible eoncentration of fission products in drinking
water is 5 x 107) ne/:. extrapolated to three day= after detonation.
This ‘4s
considere’ a safe concentration for coentiauoun eonsurption.
anereas, the monitoring of water sources {5 of value for docusentary
purposes it should be recognined that the concentrations found‘tay vary
widely within small geoyraphical arecs and even at the same loeation at
aifferent tines (taking into account redicective decay).
eannot be placed in precise values.
Thus, confidence
Table V! a. sugsests thet even if one
ware to have stored w the water listed at Virgin River Irrigation Canal
and subaisted entirely on this for « lifetime, the concentration would be