Prisoners have returned to HMP Dartmoor with screws leaving their windows open amidst radon gas exposure.
400 prisoners were evacuated from the premises after concerns were raised for high levels of radioactive radon gas.
The first 30 inmates have made their way back to their cells with screws employing an odd ventilation tactic across the prison.
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Windows across HMP Dartmoor will be left open, including cell windows to help keep the prisoners safe.
The gas levels were flagged by the Health and Safety Executive after an investigation that was launched in December 2023, detected high levels of radioactivity.
The colourless and odourless gas causes around 1,000 lung cancer deaths each year in the UK, as reported by Need To Know.
The peak radon levels that were detected at Dartmoor in 2020 and 2023 have encouraged 300 prisoners and former inmates to seek legal advice.
A spokesperson for the Prison Service said: “We continue to work with the HSE and will continue to monitor the situation,
Sarah Rigby, South West representative for the POA, said: “The vast majority of our members are concerned about the radon being at Dartmoor.
“They’re obviously worried about any future health connotations that this might have, it’s something they potentially won’t know for 10, 20, 30 years.”
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