On May 1, 2005, CH2M-WG Idaho (CWI) began its 7-year, $2.4 billion cleanup of the INL. By the time the work is completed in 2012, 3,406,871 liters (900,000 gallons) of sodium-bearing waste will have been treated; 11 high-level waste tanks will have been grouted and closed under the Resource Conservation and Recovery Act; more than 150 facilities will have been demolished or disposed of including t