The Caithness Business Index has posted the following article:

Isolation Of Dounreay's Shaft Commences

Dounreay has started drilling up to 400 boreholes around the site's waste shaft in the biggest step so far towards its eventual clean-out. Grout will be injected through the boreholes to seal fissures in the rock around the 65 metre deep shaft and so create a giant containment barrier in the shape of a boot around the shaft that will isolate the radioactive waste from groundwater. ... [Read Full Article]