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Last Updated: Sunday, 12 June, 2005, 04:04 GMT 05:04 UK
Nuclear plant to close for months
Thorp reprocessing plant
The leak is thought to have began last August
Part of the nuclear reprocessing plant at Sellafield in Cumbria may be closed for months following a leak of highly radioactive material.

The Thermal Oxide Reprocessing Plant (Thorp) stopped production in April when the leak, which went undetected for up to eight months, was discovered.

Sellafield's managing director, Barry Snelson, admitted to the BBC that the plant may remain closed for months.

Safety regulators claim the discharge could result in criminal charges.

Mr Snelson described the incident as "a stumble, not a fall".

The accident happened when a narrow pipe fractured, spewing nitric acid onto the floor of a concrete-lined cell in the Thorp reprocessing complex.

The acid contained 20 tonnes of uranium and 160kg of plutonium.

It is thought the pipe may have fractured in August, but the leak was not discovered until eight months later due to a combination of a faulty gauge and human error.

No staff were contaminated.

Last week, Sellafield was told to improve the way it discharged low level radioactive waste water into the Irish Sea.

Environment Agency inspectors issued an enforcement notice after finding its filtering system needed to be improved.

Operators British Nuclear Group said no discharge limits had been breached and it was "committed" to improvements.

See inside the Thorp plant at Sellafield

Sellafield told to clean up act
06 Jun 05 |  Cumbria
Sellafield leak 'lay undetected'
28 May 05 |  Cumbria
Leak spills 20 tonnes of uranium
18 May 05 |  Cumbria
Nuclear unit closed after checks
23 Apr 05 |  Cumbria

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