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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Fusion Science and Technology
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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.
H. Weichselgartner, H. Frischmuth, J. Perchermeier, A. Stimmelmayr
Fusion Science and Technology | Volume 4 | Number 2 | September 1983 | Pages 687-692
Tritium | doi.org/10.13182/FST83-A22939
Articles are hosted by Taylor and Francis Online.
A pilot rig for a preparative gas chromatograph is described. In order to increase the volume of the samples to be separated different separation columns were investigated. The pilot plant is designed as to operate also with two columns at the same time. To recover the separated H isotopes the pilot rig was equipped with three uranium getters which can be automatically switched to the separation columns by electropneumatic valves. These valves are actuated in response to a detector signal. The maximum sample volume achieved with one separation column is 600 ml (STP) of a three-component mixture (H2, HD and D2) with a purity of 98.5 - 98.7% and even 1000 ml (same mixture) with a 91% purity with respect to the components H2/HD.