The Department of Energy is proposing new rules to protect Hanford and other workers from beryllium, which can cause lung disease.
The Department of Energy is proposing new rules to protect Hanford and other workers from beryllium, which can cause lung disease. Ted S. Warren Associated Press file
The Department of Energy is proposing new rules to protect Hanford and other workers from beryllium, which can cause lung disease. Ted S. Warren Associated Press file