a. Ii io recommended that when the oredicted fallout across a main highway be equivalent roentgen te 20 Infi tyhigher, be beld untj) after the actue) fallout bas essentially ceased, They should pe then werned to proceed with windows and air vents closed and the cars phould be monitored after passing throurh the contarinated area, When desa than 10 roentgens, but stil significant amounts of fallout are predicted across a highway, vehicles sould be warned to proceed with windows and air vents closed and should be monitored after passing through he oconterinated a, Monitoring and warnings should be continued util fhere fs reaconebie belief that nc orwery few additional vehicles will exceedthe values given in table V2. reading@teken exterior ares that js rescdily accersitle,enuals or exceeds the values given in table TV.4, the yericle shal) becleaned inside and outside, Exterior aress to be monitoredshouldtnotute of the fenders but not the under carriage, the wh an r The survey metershould approximately four jnches from anysurface, aso ™ fs Be hey, B. wi eg Tb oy