At later tines after fallout, better estimetes of radiation doses received may be obtained from film badge readings or dosimeters, If these film badces = or éociasters axe worn on parsceme) and the evidence af thelr use supparts the = view that the peacings are a reasonably soctrutc ncecut of the reciztion dose ) received then the waluse recomied on the fo bet: cr dortectcr may be aocepted with a correction factor of 31/4 to account for the difference between the dose received by the file badge a dosinater (including backscatter) and that received at the tissue depth of five centinsters, ‘Tahle Ic aay bo used in eriinating the effective biological dose. A ¥ B Film Badse Reading From time of fallout until time of ) evacuation From time of return to 15 days after initial fallout Froa 15 days until one year after c, = PMolocical Factor —«s .- 2, = Effective Mila Badce so Fa or Dosimeter Correction Oo (Colum 5 x c) yi Ma Mi 37 3 fe af 1/2 | 24 z Effective x um A , initial fallout ew N (F ; - TOTAL | *The value of 9/lf hes been rounded off to 1/7. o ot pe J y tere7 a or 7