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Keywords from Image Description:
LABORATORY AT EPA'S NATIONAL RESEARCH CENTER AT LAS VEGAS ENVIRONMENTAL GAMMA RADIATION MONITORS ARE CHECKED BEFORE... NARA . Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor O'Rear Charles Photographer File LABORATORYATEPA'SNATIONALRESEARCHCENTERATLASVEGASENVIRONMENTALGAMMARADIATIONMONITORSARECHECKEDBEFORE