Environmental cleanup is underway at the 580-square-mile Hanford nuclear reservation. The underground radioactive waste storage tanks and the vitrification plant are in the center of the site.

This summer the Hanford vitrification plant, where construction started in 2002, is expected to begin turning some of the least radioactive tank waste into a stable glass form for disposal at Hanford.

The DOE has prioritized tank waste treatment as a central focus in the Hanford Site cleanup. According to the report, the cleanup effort is targeting three main components: Tank Waste Treatment ...