CRUTBPLLV we ee - ContaminationofWater,AirFoodstuffs DISCUSST ON Water Treble Vi.a. lis 46 the six locations having the highest conecntra- comparative purposes the estimated external thecretical maximum gamma infin- fe aE tenes amr canner we ity doses. AELE Vion. Concentration (microcuris External Theceret- ed to 3 days after detona= body Gem.i2 Tufinity per milliliter extrnpolate Toorlity Wirgin Saver Irrigsvien Carel, Nev. tion) Sgation Ditch, 5% misno.of Fioche,Nev. 8.7 x 1079 isonl Mescimun whole} Toso fern?gens) 6. 4e5 x 107? 0.15 3.2 x10 ~-6 Ze :Virgin ote : River at Mesquite, Nev. 2.6 x 10aw 2.5 Bunkerville 1.2 x 10 720 ier er i Pal} rat TLeake, “ Pahranageat Nev , 7Nev. : (tap water) Grystal v. ( (tap Crystal Springs, Springs, NeNev. 6 1.1 x 106 0.15 ' i : water) ogee ee ee be A AsAE ae AEge olee pe tions of fissicn products in water sources curing Upsheteinothel:, and for : Due to weather and to attenuation ef the gamma rays by tuildings, the The eS permissible concentration of fission products in drinking water is 5x 10* yo/na extrapolated to three days after detonation. This is considered a safe concentration for continuous consumption. Whereas, the monitoring of water sources is of value for documentary purposes it should be recognized that the concentrations found may vary 8 = wee closer to one-half of the values shown, Ee coteere 1-5 mls on whole-body gamma Cose estimated to have been actually delivered was probably