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Meeting Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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The U.S. Million Person Study of Low-Dose-Rate Health Effects
There is a critical knowledge gap regarding the health consequences of exposure to radiation received gradually over time. While there is a plethora of studies on the risks of adverse outcomes from both acute and high-dose exposures, including the landmark study of atomic bomb survivors, these are not characteristic of the chronic exposure to low-dose radiation encountered in occupational and public settings. In addition, smaller cohorts have limited numbers leading to reduced statistical power.
Kazuo Arakawa, Naohiro Hayakawa, Hiroshi Nakanishi
Nuclear Technology | Volume 61 | Number 3 | June 1983 | Pages 533-539
Technical Paper | New Directions in Nuclear Energy with Emphasis on Fuel Cycles / Material | doi.org/10.13182/NT83-A33178
Articles are hosted by Taylor and Francis Online.
Radiation-induced evolved gases for 20 commercial lubricant base oils were measured at room temperature. Samples were irradiated under vacuum by 60Co gamma rays at a dose rate of 1 Mrad/h up to 1000 Mrad for mineral oils and ester lubricants, and 3000 Mrad for aromatic lubricants. The evolved gas was measured by means of gas chromatography. The G values (number of gas molecules liberated per absorbed energy of 100 eV) of total evolved gases are 2.8 for liquid paraffins, 1.4 for paraffinic neutral oils, 1.5 to 1.9 for esters, 0.26 to 0.56 for alkyl diphenyl ethers, and 0.005 for phenoxy-phenoxydiphenyl