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About This Item

 

Full Description

1.1 This specification covers uranium hexafluoride (UF6) intended for feeding to an enrichment plant. Included are specifications for UF6 derived from unirradiated natural uranium and UF6 derived from irradiated uranium that has been reprocessed and converted to UF6 for enrichment and subsequent 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 additional limits for Reprocessed UF6 (or any mixture of Reprocessed 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 environment.

1.2 The scope of this specification does not comprehensively cover all provisions for preventing criticality accidents or requirements for health and safety or for shipping. Observance of this specification does not relieve the user of the obligation to conform to all international, federal, state, and local regulations for processing, shipping, or in any other way using UF6 (for example, see TID-7016, DP-532, ORNL-NUREG-CSD-6, and DOE O 474.1).

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM C787-20

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    Standard Specification for Uranium Hexafluoride for Enrichment

    • Most Recent
  2. ASTM C787-15


    Standard Specification for Uranium Hexafluoride for Enrichment

    • Historical Version
  3. ASTM C787-11


    Standard Specification for Uranium Hexafluoride for Enrichment

    • Historical Version
  4. ASTM C787-06


    Standard Specification for Uranium Hexafluoride for Enrichment

    • Historical Version
  5. ASTM C787-03e2


    Standard Specification for Uranium Hexafluoride for Enrichment

    • Historical Version
  6. ASTM C787-03e1


    Standard Specification for Uranium Hexafluoride for Enrichment

    • Historical Version
  7. ASTM C787-03


    Standard Specification for Uranium Hexafluoride for Enrichment

    • Historical Version
  8. ASTM C787-96


    Standard Specification for Uranium Hexafluoride for Enrichment

    • Historical Version