. 4 . ol f. ro Wins ' Co ‘ 4 : a , omens “gs “a R. Te O'felll, Administrative officer ATTNTIOMs ew ACI1 eye . Hovesber 23, 1953 Fr. Leaner De Le Wort, Slophysios Research Analyst Biophysica Branch, [Mivision of Molegy and Medicine PROORISS REPORT FOR HON'H OF NOVEMBER, 1953. le SIOPHYSICS SHANCH. UNCLASSIFIED Sinmse radion is iow to accomilate in the skeletal tissues of the body, it ia meagonatle to ask whether the day by day ingestion ef the snall amounts of racius in food amd water constitutes a milliliters. Keagureaent ef the sorresponding é #23 The radium content of a number ef foods (1.0,., powdered nilk, ish, peas, barley and beef) were seamed, With the exception of f, which eontained no measurable amounts of wa, the foods Folder 3363 Box water revealed rawe of radius concentration (exmepting one value) of 0 - 1.7 x yo"? es tm um oewhewont @ exception was the water of Joliet, Diinois which ~ gem radium per al. (/32 Collection RG 09£ HISTORIAN CDRA! % “as US DOE ARCHIVES __ -326.U:S. ATOMIC.ENE NRGY ~ SION COMMIS ~ Radius in Food and Water, fe ted fell. in the range from 0.7) to &5 x tarting material, gu Wa per gran From these studies it is ovident that the tap water and the common foods used in the Talted States are well within the perl s#ible linits for this radiolsetope, 20 the taak of developing improved methods for detecting and deter mining the exact poaition of a malignant tamer af the train without resorting to extenzive exploratory surgery is a@ eentiming and impor tant one, Of the various procedures that have been tried scveral | have ghown definite promise. Ona of these which has been shom to give increasingly bet:er reculta ag the tedhiniques are refined is the isotapa sethod, ‘he principle of this detection sethed depends on the abnormal concentration of radioactive Lsctopes in the malignant tiasue over that of surrounding aermal tisene. At Yasiington University, BEST COPY AVAILABLE OFFICE p _-- BMBP.. SURNAME > WORF —- : t oa TMEONTC=gh7 NAGE MAUhuinacallui=rl &E TAT aa eee ne eee tf-tn wf ee ee ee a nl en ee ee een | ee ee ee ee ene DATE p> win AEC-318 U.S. GOVEANMENT PRINTING OFFICE 16—-§2761-2 t ~