Standard Specification for Uranium Hexafluoride for Enrichment
This specification covers uranium hexafluoride (UF6) intended for feeding to an enrichment plant. Included are specifications for UF6 derived from unirradiated natural ura- nium and UF6 derived from irradiated uranium that has been reprocessed and converted to UF6 for enrichment and subse- quent reuse. The objectives of this specification are twofold: (1) to define the impurity and uranium isotope limits for Commercial Natural UF6 feedstock, and (2) to define addi- tional limits for Reprocessed UF6 (or any mixture of Repro- cessed UF6 and Commercial Natural UF6). For such UF6, special provisions may be needed to ensure that no extra hazard arises to the work force, process equipment, or the environ- ment.
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