File:Radiation shielding for workers at the Chernobyl New Safe Confinement.webm
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Size of this JPG preview of this WEBM file: 800 × 450 pixels. Other resolutions: 320 × 180 pixels | 640 × 360 pixels | 1,024 × 576 pixels | 1,280 × 720 pixels | 2,560 × 1,440 pixels.
Original file (WebM audio/video file, VP8/Vorbis, length 1 min 27 s, 2,560 × 1,440 pixels, 9.03 Mbps overall, file size: 93.81 MB)
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English: Radiation exposure remains an important workplace challenge at the construction site for the New Safe Confinement arch at Chernobyl Nuclear Power Plant. In this clip from September 2015, we explore the effectiveness of a simple, portable shielding wall made out of lead sheet. The wall attenuates gamma radiation being emitted from widespread, distributed nuclear fuel in and around the Unit 4 reactor building to the right of where we are. Gamma exposure rates are measured at about 5 mR/h on the east side of the lead, whereas behind the wall, they are down to about 1.6 mR/h--roughly a factor of three. The portable lead shields are not the only engineered shielding at the New Safe Confinement site; a much larger concrete wall has been completed further to the northeast to block radiation coming from the "cascade wall" of the old Sarcophagus, where some of the most significant nuclear fuel residues are trapped. |
| Date | |
| Source | YouTube: Radiation shielding for workers at the Chernobyl New Safe Confinement – View/save archived versions on archive.org and archive.today |
| Author | Carl Willis |
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This video, screenshot or audio excerpt was originally uploaded on YouTube under a CC license.
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Attribution: Carl Willis
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This file, which was originally posted to
YouTube: Radiation shielding for workers at the Chernobyl New Safe Confinement – View/save archived versions on archive.org and archive.today, was reviewed on 13 July 2018 by reviewer Explicit, who confirmed that it was available there under the stated license on that date.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:51, 11 July 2018 | 1 min 27 s, 2,560 × 1,440 (93.81 MB) | Vislupus (talk | contribs) | Imported media from https://www.youtube.com/watch?v=UVYoc44bq04 |
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