<Tr> <Th> Prop: Unit: </Th> <Th> t (a) </Th> <Th> Yield (%) </Th> <Th> Q * (keV) </Th> <Th> βγ * </Th> </Tr> <Tr> <Td> Eu </Td> <Td> 4.76 </Td> <Td> 0.0803 </Td> <Td> 252 </Td> <Td> βγ </Td> </Tr> <Tr> <Td> Kr </Td> <Td> 10.76 </Td> <Td> 0.2180 </Td> <Td> 687 </Td> <Td> βγ </Td> </Tr> <Tr> <Td> Cd </Td> <Td> 14.1 </Td> <Td> 0.0008 </Td> <Td> 316 </Td> <Td> β </Td> </Tr>

Where is the waste from nuclear power plants stored