During the past 12 months, groundwater treatment workers on the Hanford nuclear reservation replaced filters, like this one, with newer and more efficient ones for cleaning contaminated groundwater.
During the past 12 months, groundwater treatment workers on the Hanford nuclear reservation replaced filters, like this one, with newer and more efficient ones for cleaning contaminated groundwater. Courtesy Department of Energy
During the past 12 months, groundwater treatment workers on the Hanford nuclear reservation replaced filters, like this one, with newer and more efficient ones for cleaning contaminated groundwater. Courtesy Department of Energy

435 tons of toxic Hanford waste kept out of Columbia River

August 14, 2018 10:33 AM