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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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The RAIN scale: A good intention that falls short
Radiation protection specialists agree that clear communication of radiation risks remains a vexing challenge that cannot be solved solely by finding new ways to convey technical information.
Earlier this year, an article in Nuclear News described a new radiation risk communication tool, known as the Radiation Index, or, RAIN (“Let it RAIN: A new approach to radiation communication,” NN, Jan. 2025, p. 36). The authors of the article created the RAIN scale to improve radiation risk communication to the general public who are not well-versed in important aspects of radiation exposures, including radiation dose quantities, units, and values; associated health consequences; and the benefits derived from radiation exposures.
J. H. Horton, E. L. Albenesius
Nuclear Technology | Volume 30 | Number 1 | July 1976 | Pages 86-88
Technical Note | Radioactive Waste | doi.org/10.13182/NT76-A31627
Articles are hosted by Taylor and Francis Online.
A series of simple laboratory experiments was conducted to test the feasibility of separation of plutonium-contaminated soil into plutonium-rich and depleted fractions. The purpose of the separation is to reduce the costs of managing plutonium-contaminated soil by separating a large fraction of the soil that can be disposed of as noncontaminated soil. Water-scrubbing (agitation) and washing of a sample of soil from the Savannah River Plant burial ground separated out a clay-silt fraction containing ∼95% of the plutonium, but comprising only one-third of the total soil; the remaining two-thirds of the soil was a sand that contained only ∼5% of the total plutonium. The technique appears to be adaptable to commercial sand scrubbing and classifying equipment, and should be generally applicable to soils of high quartz sand content such as the clayey sands typical of the coastal plain of the southeastern United States, but verification with other soils will require similar laboratory tests.