184 Health Physics August 2010, Volume 99, Number 2 Table 15. Radionuclides giving highest cumulative organ doses (mGy) to adults of four population groups (Majuro residents, Kwajalein residents, Utrik community, and Rongelap Island community) from chronic intakes of long-lived radionuclides. Utrik and Rongelap community doses account for relocations. Organ and rank* Majuro residents Nuclide Dose Kwajalein residents Nuclide Utrik community Dose Nuclide Dose Rongelap Island community Nuclide Dose RBM 1 2 3 4 5 Zn BICs “Fe Str Co 71x 2.4 x 2.6 X 1.4 x 5.9 x 107! 107! 107° 10°? 1077 Zn BICs “Fe Sr Co 1.2 x 4.1 xX 45x 2.4 x 1.0 X 10° 107! 107 107? 10°? Zn BICs “Fe Sr Co 2.3 7.7 1.9 2.0 1.1 x X x x x 10! 10° 10° 107! 107! BICs Fe Zn Sr Co 1.4 2.6 2.4 1.0 9.1 x X x x X 10! 10° 10° 10° 107? 1 2 3 4 5 Zn BIC Co “Fe Str 5.2 2.4 4.7 2.0 5.2 107! 107! 1077 107 10> Zn BIC Co “Fe Sr 8.9 x 41x 8.0 X 3.4 x 9.0 xX 107! 107! 1077 10° 10° Zn BICs “Fe Co Sr 1.8 7.8 1.5 8.6 7.6 x xX xX X X 10! 10° 107! 10°? 104 BICs Zn Fe Co Sr 1.4 1.8 2.0 7.2 3.8 x x x X x 10! 10° 107! 107 10° Zn BIC Co Fe Str 5.1 x 107! 2.5 x 107! 71 xX 107 2.1 x 107 72x10 Zn BIC Co 5Fe Sr 8.7 4.2 1.2 3.7 1.2 x x x x x 107! 107! 107° 1073 107" Zn BICs Fe Co Sr 1.6 7.6 1.5 1.2 9.8 x X x x x 10! 10° 107! 107! 1074 BICs Zn Fe Co Sr 1.4 x 1.7 x 2.2 xX 1.1 Xx 5.2X 10! 10° 107! 107! 107 Zn BIC Co “Fe Str 6.9 2.8 2.4 5.9 1.0 Zn BICs Co “Fe Sr 1.2 x 48x 4.1 x 1.0 x 1.8 x 10° 107! 107? 107° 107° Zn BICs Co “Fe Str 2.2 8.8 4.3 4.3 1.4 x x x x x 10! 10° 107! 107! 1077 Cs Zn Fe Co Sr 1.6 2.3 6.0 3.7 75 10! 10° 107! 107! 107? Thyroid Stomach 1 2 3 4 5 Colon 1 2 3 4 5 x x x x x X X x x x 107! 107! 107° 1077 1077 x x X Xx X “Rank of 1 indicates radionuclide with highest organ dose; Rank of 5 indicates radionuclide with fifth highest organ dose. Table 16. Comparison of estimates of average acute intake (MBq) of radioiodines and precursor radionuclides among exposed Marshallese and American groups following deposition of Bravo fallout. All values are rounded to two significant digits." Literature source of estimates Rongelap Island (Marshallese adults) Harris®* Lessard et al. (1985) This work Sifo, Ailinginae (Marshallese adults) Harris®* Lessard et al. (1985) This work Rongerik (American military, adults) Harris”* Goetz et al. (1987) This work Gender (adults) BIT (8.02 d) 1 (2.3 hy) 71 (20.8 h) 1 (6.6 h) '™Te (30h) Te (3.2 d) Male-female average Male-female average Male-female average 2.8 3.4 3.5 9.6 20 9.7 30 73 40 43 120 50 nr 2.8 2.3 nr 19 9.4 Male-female average Male-female average Male-female average 1.3 0.69 1.2 4.4 4.1 3.5 14 20 16 20 41 25 nr 0.84 0.88 nr 19 3.4 0.78 (1.7)° 2.6 (5.7) 8.1 (18) Male Male Male 0.56 (1.2)° 1.7 nr 4.6 nr 18 12 (26) nr 17 nr nr 1.1 nr nr 4.6 “nr means not reported. > Harris PS. A summaryof the results of urine analysis on Rongelap natives Americans and Japanese fishermen to date. Memorandum to AEC. Los Alamos, NM: Los Alamos Scientific Laboratory; 1954. © Personal communication, P.S. Harris to S.L. Simon, 2005. “500 mL urine volume (same as for Marshallese) was used by Harris; use of 1,100 mL urine volume for LA319A (see Table 7) would have given 1.7 MBq. * 500 mL urine volume (same as for Marshallese) was used by Goetz et al. (1987); use of 1,100 mL urine volume for LA319A (see Table 7) would have given 1.2 MBq. calibration factor, ¢. (count per decay). In this analysis, the uncertainties in the estimates of CR and e&& are considered to be small in comparison to the uncertainty in O/C. Uncertainties in O/C. It follows from eqn (A1) that Q/C = K X VIEF(t),