Pedzisa mashoko anotevera: PGM yakagadzirwa neEER ichibatsirwa nemasayendisiti eRussia anobva kunzvimbo yokutsvakurudza yeKurchatov Institute yokuRussia, Radon Institute yokuRussia, uye Technion Institute yokuIsrael. Iyo kambani, yakavambwa muna 2000, yakakunda bhidha yekuchenesa mushure mekunge
njodzi yenyukireya paChernobyl.