Radiation monitor testing. Worker using radioactive filter paper to test a radiation monitoring device (lower left). The filter paper was soaked in a

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Radiation monitor testing. Worker using radioactive filter paper to test a radiation monitoring device (lower left). The filter paper was soaked in a radioactive liquid prepared from a radioactive source (stored in the shielded box, lower right). The monitor is a form of Geiger-Muller tube. It is a Mini 900 EP15 ratemeter from the Thermo Electron Corporation (now Thermo Scientific). Photographed as part of work carried out by the UK's Health Protection Agency.

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Size: 3732px × 4723px
Photo credit: © PUBLIC HEALTH ENGLAND/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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