Contaminant levels have fallen since remediation began in 1977 but progress stalled in the early 2000s, the company's application says.
SDU 6, approved in 2012, took its first waste shipment in 2018; six more mega-volume units are planned at the South Carolina site.
Bankable study gives the Tiris project an NPV of USD500.3 million, attributable share USD425.3 million, on USD349.8 million of development capital.
The May 17 drone strike cut off-site power to Unit 3; the mission ran October 12–20 at the UAE government's request.