An operational event at Ling Ao Nuclear Power Station reported on the Daya Bay Nuclear Power Operations & Management website today had no safety significance, the Security Bureau says.
Maintenance staff found a deviation in the location of one of the sampling points from the design during an inspection of the radiation monitoring channels in the plant on July 29.
Air quality inside the plant remained normal as measured by other monitoring devices.
Personnel and other facilities were not affected, and the issue was classified as a Level 0 event on the International Nuclear Event Scale.
