K1. Industrial Safety Sign, Hanford Plutonium Finishing Plant. Signs like this one are supposed to help workers and managers stay alert to the hazards associated with much of the work they do. Hanford Plutonium Finishing Plant, Hanford, Washington. 11 July 1994.
These photographs by Robert Del Tredici are protected by copyright and are available for purchase as high-quality digital prints on archival paper or as silver gelatin prints from bdeltredici@hotmail.com.