Firefighters were called to deal with a chemical spill at the Sellafield nuclear plant.
Cumbria Fire and Rescue Service was called to the spillage, which involved about 25 litres of nitric acid, at 3.13pm yesterday.
The service sent three crews, who joined two Sellafield fire service engines already at the scene.
Two CFRS and two Sellafield firefighters wearing gas-tight suits and breathing apparatus applied sodium bicarbonate to neutralise the acid.
They were at the scene for about two hours.
A Sellafield spokesman said the spill did not involve any radioactive chemicals, the material stayed within a bund designed to contain spillages and the incident posed no risk or harm to anybody.
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