At a lator time after fallout, better estimates of radiation doses received may be obtained from film badge readings or dosimeters, If these film badges or disimeters are worn on personnel and the evidence of their use supports the view that the readings are a reasonebly sccurate account of the radiztion dose received then the values recerded on the film badge or dosimster may be accepted with a correction factor of 3/4 to account for the difference between the dose received by the film badge or dosimeter (ineluding backscatter) and that received at the tissue dcpth of five centimeters. Teble Ie may be used in estinatiug the effective Liologicsl dose fren film tadge or dosinnter readines. JEBIETe Ae Ba Ge Film Padcse Liclocteal Film E:dee or Dodrsater Effective Effectiva Biolovics1l Pistac: Lose Fector ae a fans ‘ (Colvea B (Coker A tie! ha 27h C. ~—— . 2 Gi OR -. mee tne } 1 Sormecwien| F Fron tine of7 *:-ll- From time of ro=- turn to 15 dsys after initial fallout From 15 days until one year after 3/4 aft 3/k 3/4 1/2% 2/3 24/4 1/2 f "3 *The value of 9/16 has been rounded off to 1/2. = na dnitial fallout if2 tt out untid tine of evecustion La eae were a , ee areas