Table 11.

Red bone-marrow (RBM) doses for adults in 1986 and 1986–2021 from different exposure pathways depending on ¹³⁷Cs deposition density in Gomel and Mogilev Oblasts

137Cs deposition density (kBq m−2)	Number of settlements	Populationa (individuals)	RBM doses (mGy) for adults from
			External irradiation		134Cs, 137Cs ingestion		90Sr ingestion		Total dose
			1986	1986–2021	1986	1986–2021	1986	1986–2021	1986	1986–2021
Gomel Oblast
< 37	740	223,037	0.55	1.5	1.1	2.1	5.1 × 10−3	0.17	1.6	3.8
37–185	1022	1,203,542	1.1	3.5	1.2	3.3	8.2 × 10−3	0.28	2.3	7.0
185–555	603	156,063	5.1	18	5.3	14	9.5 × 10−3	0.31	10	32
555–1480	271	88,523	13	38	9.3	22	0.017	0.50	22	61
> 1480	71	12,706	30	46	10	19	0.011	0.14	40	65
Entire Oblast	2707	1,683,871	2.2	6.7	2.1	5.2	8.4 × 10−3	0.28	4.3	12
Mogilev Oblast
< 37	2262	1,077,569	0.20	0.66	0.58	1.35	1.6 × 10−3	0.053	0.78	2.1
37–185	579	104,073	1.9	6.5	2.5	4.9	2.2 × 10−3	0.075	4.4	11
185–555	386	74,315	3.5	16	4.9	11	3.0 × 10−3	0.10	8.4	27
555–1480	135	16,760	11	41	10	23	3.6 × 10−3	0.10	21	64
> 1480	53	7,473	24	69	20	43	3.3 × 10−3	0.064	44	112
Entire Oblast	3415	1,280,190	0.80	2.9	1.2	2.7	1.7 × 10−3	0.058	2.0	5.7

^aThe entire population is given as of 1 January 1986