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Nuclear safety

Nuclear safety, particularly avoidance of accidents, is ensured by good design and operation. In this respect, a defence in depth principle is generally applied for nuclear power plants.
 
The construction and operation of the nuclear power stations at Daya Bay are bound by the relevant Chinese laws on civil nuclear installations and have to comply with national regulations for granting of the construction and operation license. The National Environmental Protection Administration (NEPA) is responsible for the environmental monitoring of the nuclear power plants at Daya Bay. The National Nuclear Safety Administration (NNSA) is a regulatory body within NEPA responsible for the safety operation and inspection of the nuclear power plants.
 
Emergency classification at nuclear power plant
 
The International Nuclear Event Scale (INES) is used by GNPS/LNPS to classify event occurred at the plants.
 
Lessons learnt from the nuclear accidents at Chernobyl in 1986 and Three Mile Island in 1979.
 
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