The general effects of backecattering on measured radiation doses are fairly vell established. Further, ‘mowledge of depth (tissue)-dose eurves has advanced to « quantitative state.® Thus, there seems to be Little doubt that a film badge or dosimeter vorn an the person wil) over-estimate the gaums radiation dose delivered at a depth of five centimeters (asmued depth of blood forming organs). A major faster in determining this difference is the quality of radiation under consideration. (Gne report” desling explicitly with radiation in a fallout field suggests a facter of about 3/4. DOE/NV. suresu of Staniarda Eandbook fi 59. “September24,1ere COMFIDENTIAL, RMT HELL. fan 7 o a 7 ‘ oe Netional Jamuary 1954.