Sellafield radioactivity to the secondary containment the incident was given an International Nuclear Event Scale level 3 categorisation. Sellafield Limited was fined £500,000 for breaching health and safety law. In January 2007 Sellafield was given consent to restart Thorp. Highly Active Liquor Evaporation and Storage (HALES) is a department at Sellafield. It conditions nuclear waste streams from the Magnox and Thorp reprocessing plants, prior to transfer to the Waste Vitrification Plant. In 1991 the Waste Vitrification Plant (WVP), which seals high-level radioactive waste in glass, was opened. In this plant, liquid wastes are mixed with glass and melted in a furnace,
Trawsfynydd nuclear power station Trawsfynydd nuclear power station Trawsfynydd nuclear power station is a former Magnox power station situated in Snowdonia National Park in Gwynedd, Wales. The plant, which became operational in 1965, was the only nuclear power station in the UK to be built inland, with cooling water was taken from the man-made Llyn Trawsfynydd reservoir. It was closed in 1991. Work to completely decommission the site is expected to take almost 100 years. The power station, which takes its name from the nearby village of Trawsfynydd, was designed by Basil Spence. The construction, which was undertaken by a consortium involving Crompton Parkinson,