TABLE V Pocky Tlats Exposure* Number of Cases Total Lung Burden (uCi} Hot Particles Lung Burden (uci) Number of Hot Particles 1 0.272 0.033 137,000 1 0.160 9.019 79,000 1 0.111 0.013 54,000 3 0.064 0.008 33,090 19 9.024 0.003 12,509 * Mann and Xircnner sorasented the lung burdens @s nurser SF NPLB. These Aave Sean converted to uCi in columm iw 2Sing MPLB=9.714 u2i. (For the groscs with 3 anc 19 cases, se selected the midsoint of the resorted ranze.} Tne nat Darticl@ burden in colunn three was estimates by multiolvin “ne total burnan by 0.17, the fraction of the activity on varticles abov-2 2.5 u, and 0.70, the fraction of initial Gsv0sited activiczy that was involved in long term retention in the lens. Bases on particle size data resorted Dy Mann and “irohnar, we estimate the averace not narticle activity is azout 9.24 pci. The nuxbers of hot particles in the last column; were obtained sy dividing the not particle ourcens in column tnree by the averaca hot sarticle activity (9.24 pCi). i Allowing 2 rizxk of cancer equal to 1/2999 per Aot nartiel?, Susn:3ts lunz cancer -raAis resnect, tnaat tre indivituals wnhese exsosures are tna orohavility 15 2ssentiaily unity. i- [na i3 sienifzicant ta note that in the axseriments ie Cprbe em motes