title: Polyethylene pellets in the design and construction of a storage safe, a transport vessel and a portable shield for californium-252.
mesh_terms: D002142:Californium; D005720:Gamma Rays; D007854:Lead; D009502:Neutrons; D011095:Polyethylenes; D011835:Radiation Protection / Q000295:instrumentation*; D012449:Safety
chemical_list: D011095:Polyethylenes; D007854:Lead; D002142:Californium