A pump and treat facility near the horn of the Columbia River where it cuts through Hanford is removing hexavalent chromium from groundwater before it reaches the river.
A pump and treat facility near the horn of the Columbia River where it cuts through Hanford is removing hexavalent chromium from groundwater before it reaches the river. Courtesy DOE
A pump and treat facility near the horn of the Columbia River where it cuts through Hanford is removing hexavalent chromium from groundwater before it reaches the river. Courtesy DOE