aa Overations)Feasibility. — In the part, the criteria used for vashing cars has been 7 mr/hr, and ot a leter tine 70 er/hr (gamma), inside a vehicle. ) This resulted in vashing about 7§ cars (roughly L/f of the total moilitored’ following the seventh and ninth detonations ef Upshot-Knothole. Under the recozmmndstions given in Policy IV, the bs mentioned above, tut probably none of the cars, would have been washed. The data given in table T¥.t. indicate that if these radiation levels C given had been predicte! before the fallout, Aigh-ays #91 and 93 would have deen closed prio: to the fallout from the seventh detonation and possibly “y ~ Loe $B highway #93 for the ninth detonation.