° Decontamjinati oO fotor V It is recomended thet when the predicted fallout across a main highwey will be equivalent to a 10-reentgen infinity g:rma dose or higher, vehicles be held until after the zetucl fallout has essentially ceased They should be then warned to proceed with windows and air vents closed and the cars should be monitored after passing through the contaminated area, When 5 to 10 roentgens are predicted across a main highway, ve- hicles should be warned to proceed with windows and air vents closed and should be monitored after passing through the contamin ated area, Moni-~ bse toring end warnings should be continued until there is reasonable bel wef that no or very few additicnal vehicles will execed the values given in QOPIa nn RRepi te ae 2 eR bee Fo io} dily accessible, equals or exceeds the val he vehicle shall be cleaned inside snd outside ra given in graph iv, pee eny exterior ares ths ct When the cose rate reading taken inside a vehicle, or taken over as CRIRe meeeecee Teen cee re = graph IV. terior arezs to be monitored shovld include the wheels and under parts of the fenders but not the under cerriase. The survey meter should te held approximately four inches from any surfrce,