ESTIMATION OF DOSE TO ETIC TISSUES FROM I-131,_-_ © Half life in ECF (ICRP-10) Tea |7 osm 4 oo OIe! Mey 2o7 G © Time integral of concentratians, oo ce ECF Tl «= 0.7/(2.7 x 10m!x 2.070") = 1.26 x 1or?d/m Fluids concentrated from ECF, and ETIC tissues | oy OS Th 9 1.26 x 10° R d/mi or d/g “ORs fuld-to-plasma ratio I| @ Dose factor for ETIC tissues — DF = 1.26 x 10°R d/g x 0.2 Mev x 61.2 rad per (.Ci-d/g)-MeV = 13 x 10% R rad/pCl ee ee er eee rs “LRAW18. |