welcome back to war!!!!!!!! Gentlemen!!!! "the two possible sources of Polonium associated with tobacco are uptake from soils containing these isotopes as daughter products of 226Ra (radon daughters = also bismuth 210) ----leaf ----surface deposition of polonium 210 airborne aerosols to which naturally occurring of Polonium have become adsorbed. ...""....source of radioactivity in fertilizers is phosphate rock, mainly due to Radium-226 (226Ra). Radium-226 breaks down into two long lived 'daughter' elements — lead-210 and polonium-210." meaning ...gentlemen...on a tobacco plantation, there are sources of high radioactive polonium 210, by the disposition of layers of phosphate fertilizer , than then 2/3 days later, get decay to polonium 210 and radon 226. Most tobacco in Sudan, has high rates of polonium 210, and there's a suspicious about if Arafat was smoking this tobacco. Anyway , you can collect polonium 210, on a field plantation of tobacco.