But anyone visiting the site of the 1986 nuclear accident is warned to avoid the fungi, which are still highly radioactive because they eat radiation.
Times, Sunday Times (2016)
Furthermore, they will remain highly radioactive for 100,000 years.
Times, Sunday Times (2008)
Each reactor will produce about 20 tonnes of highly radioactive spent fuel per year, which will remain lethal for up to 100,000 years.
Times, Sunday Times (2009)
Some were drenched in water from the spent fuel tanks, which contain highly radioactive material.
Times, Sunday Times (2011)