17, 2006, at: http://www.nytimes.com/2006/10/17/world/asia/17diplo.html?_r=1&n=Top%2fReference%2fTimes -Topics%2fPeople%2fS%2fSanger%2c-David-E%2e&oref=login (8) A Bq is the unit of radioactivity being the activity of a quantity of radioactive material in which one nucleus decays per second . 1mBq = 0.001 Bq. (9) Private communication with Martin B. Kalinowski on October 13, 2006. Air concentration of Kr-85 in northern