Table 230. Cumulative rems to organs from 239,240), via inhalation pathway, lung. LISTS FaTTEPN 5 YRS EXPOSED 18 VRS 38 YRS 5@ YRS 78 YRS 8.085 B.ARae 6.6681 @.eaae4 &. BABE 8.9809 M.12 A.Aaat 8.@0B: 8.6005 8. @B16 @.0022 2,90 a.aai7 8, @644 8.8152 6.4268 0.6368 4,78 8.a94a 8.0103 8.0357 8.8611 8. @846 7,30 A.nA62 a.aiés @.8555 8.a9439 @.1314 17.Aa 8.0146 Aa.8374 A.1292 &.2218 8.3060 15.90 A.a129 8.8330 8.1146 @.i9sa 8.2708 77.08 8.8662 @.1634 8.5852 1.0818 1.3868 7.38 9.8863 8.8161 a.e5s5 8.ea949 8.1314 17.68 @.0151 8.08387 8.1338 8.2288 0.3168 9.58 a.aee2 @.a2as @.8722 8.1235 @.1718 14.78 8.8126 8.8323 8.1117 0.1911 6.2646 POI-G IN SOIL 1, MODIFIED WHMOOTEIED Il. MODIFIED ome WHMODIF IED lil. MODIFIED UNMODIFIED IV. MODIFIED UNMODIFIED VY. MODIFIED UNMODIFIED VI. MODIFIED UNMODIFIED ‘disappears only by radioactive decay, . t Dose (rem) = Kef i,e., that no other processes are in C nan dt 0 operation which reducethe nuclide availability in the food chain. Therefore C== Coe -Art » where Ca is the concentra- - xe tion observed at the time of the survey toy man 0 man ~o or and a. is the radioactive decay constant. The concentration in man at any time t x (e after initial consumption of the food is: “At ~e -r t man at, (5) where K is a conversion constant from I fan Co Cman “MT x (c man “At pCi/g to rem and equals 5,1 X 107° ~r_) -e eee and E is the dis- r ~A nan t integration energy of the nuclide in MeV, ), pCi/g. including a factor for relative biological (4) effectiveness (RBE). The final dose is The dose at any time t after initial con- then determined from the integration of sumption is the equation, i.e., II-42