Table 2.

Lifespans of Dogs Versus Initial Lung Burden (ILB) Inhaled at 12 to 15 Months.^a,b

Group	Initial Lung Burden, kBq/kg	Lifespan, Days			Lifespan, Normalized
		50% Mortality	10% Mortality	5% Mortality	50% Mortality	10% Mortality	5% Mortality
Control	0	5150	3610	3000	1.00	1.00	1.00
1	0.16	5316	4760	4500	1.03	1.32	1.50
2	0.63	4526	3780	2910	0.88	1.05	0.97
3	1.6	3482	2500	2310	0.68	0.69	0.77
4	3.7	2421	1940	1500	0.47	0.54	0.50
5	6.4	1842	1280	1280	0.36	0.35	0.43
6	14	1122	840	810	0.22	0.23	0.27
7	29	807	625	530	0.16	0.17	0.18

^aAdapted from data in Muggenburg et al.²⁷

^bCumulative lung dose for 10 kg dog (lung mass about 100 g) with ILB of 1 kBq at 1100 and 5000 days is about 0.5 and 1.2 Gy, respectively.