The payments were made through a 'mortality agreement' set up by British Nuclear Fuels and the unions ten years ago.
The couple are suing British Nuclear Fuels for about £150,000 compensation.
British Nuclear Fuels has been find £7,500 plus costs after admitting the unauthorized disposal of radioactive waste.
British Nuclear Fuels denies the plant caused any leukaemia.
British Nuclear Fuels earn millions of pounds a year by taking in highly-dangerous nuclear waste from round the world.
British Nuclear Fuels refuse to discuss individual cases, and say they will not comment on the latest report until it is published.
British Nuclear Fuels and some other nuclear power station operators have their own on-site fire service.
He was director of Science at British Nuclear Fuels between 1997 and 2005.
We wouldn't go begging to British Nuclear Fuels, for example.
British Nuclear Fuels, which owns the Sellafield plant, endorsed the call for further study.