ANSI/ANS-3.4-2013 (R2023), Medical Certification and Monitoring of Personnel Requiring Operator Licenses for Nuclear Power Plants (reaffirmation of ANSI/ANS-3.4-2013 [R2018]). This standard defines and updates medical, mental health, and physical requirements for licensing of nuclear power plant reactor operators and senior operators. It also addresses the content, extent, methods of examination, and continual monitoring of licensed operators' medical health. ANSI/ANS-8.5-1996 (W2023), Use of Borosilicate-Glass Raschig Rings as a Neutron Absorber in Solutions of Fissile Material (withdrawal of ANSI/ANS-8.5-1996 [R2022]; combined into ANSI/ANS-8.21-2023). This standard provides guidance for the use of boro-silicate-glass Raschig rings as a neutron absorber for criticality control in ring-packed vessels containing solutions of uranium-235, plutonium-239, or U-233. The chemical and physical environment, properties of the rings and packed vessels, maintenance inspection procedures, and operating guidelines are specified.
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