31. Depleted uranium, which has low levels of radioactivity , is used in artillery shells because it is extremely dense and can pierce armor. 32. :I believe that eBay does sell radioactive materials, so long as the level of radioactivity is below what would be considered dangerous. 33. In Moscow, Russian Navy spokesman Igor Dygalo said that regular monitoring over the past year had shown no increased levels of radioactivity . 34. He said the initial findings did not show an increased level of radioactivity from any bombs containing depleted uranium, as was feared. 35. The conclusions of the studies that have been conducted to determine the levels of radioactivity vary on the significance of the contamination. 36. Haavisto said the initial findings did not show an increased level of radioactivity from any bombs containing depleted uranium as was feared. 37. No administrative levels of radioactivity were exceeded, during the leak or defuelling, and all leaked water was contained and treated on site. 38. He said the initial findings did not show an increased level of radioactivity from any bombs containing depleted uranium as was feared. 39. The highest levels of radioactivity _ of up to 77, 500 becquerels per liter _ were measured in wells in southern Finland. 40. Levels of radioactivity rose rapidly between the start of the testing program and about 1964, one year after the ban on nuclear testing.
