Mining operations have resumed after a four-year break at the US Department of Energy’s Waste Isolation Pilot Plant (WIPP). A continuous mining machine has begun cutting into panel of the underground salt formation, work that was halted following separate underground events in early 2014. WIPP, in New Mexico, is the USA’s only repository for the disposal of transuranic, or TRU, waste – clothing, tools, rags, residues, debris, soil and other items contaminated with small amounts of plutonium and other man-made radioactive elements from the US military programme. Disposal of TRU waste is critical to the cleanup of Cold War nuclear production sites.
World Nuclear News 18th Jan 2018 read more »