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1. Oak Ridge National Laboratory workers checking for radioactive contaminants (circa 1950) (312Kbytes) 
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2. Oak Ridge National Laboratory workers turning in their pocket dosimeters (circa 1950). Various types of dosimeters were worn by workers to measure radiation doses and prevent excessive exposure. (233Kbytes) 
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3. Oak Ridge technicians measuring air monitor samples for radiation (158Kbytes) 
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4. An Oak Ridge National Laboratory employee having a blood test to detect radiation exposure (circa 1950). (169Kbytes) 
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5. Aerial view of the Oak Ridge X-10 facility (1945), which served as a pilot for the Hanford plutonium production reactors.  After World War II, the facility produced isotopes for national distribution. (PHOTO: U.S. ARMY) (201Kbytes) 
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6. Oak Ridge health physics technicians monitoring a cafeteria for radiation. (161Kbytes) 
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7. Oak Ridge technicians reading dosimeters to detect worker radiation exposures. (146Kbytes) 
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8. An Oak Ridge isotope worker (right) and a health physics technician (circa 1950). (147Kbytes) 
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9. Isotope processing buildings, Oak Ridge. (129Kbytes) 
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10. Production of Isotopes at Oak Ridge National Laboratory, ca. 1946. (197Kbytes) 
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11. Measuring beta radiation from a sample of phosphorous-32 at Oak Ridge. (180Kbytes) 
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12. Separating radioactive carbon from material bombarded in the Oak Ridge nuclear reactor. (206Kbytes) 
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