Standard Historical Last Updated: Aug 07, 2020 Track Document
ASTM C1052-14

Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride

Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride C1052-14 ASTM|C1052-14|en-US Standard Practice for Bulk Sampling of Liquid Uranium Hexafluoride Standard new BOS Vol. 12.01 Committee C26
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Significance and Use

5.1 Uranium hexafluoride is normally produced and handled in large (typically 1- to 20-ton) quantities and must, therefore, be characterized by reference to representative samples. The quantities involved, physical properties, chemical reactivity, and hazardous nature of UF6 are such that for representative sampling, specially designed equipment must be used and operated in accordance with the most carefully controlled and stringent procedures. This practice indicates appropriate principles, equipment, and procedures currently in use for bulk sampling of liquid UF6. It is used by UF6 converters, enrichers, and fuel fabricators to review the effectiveness of existing procedures or as a guide to the design of equipment and procedures for future use.

5.2 It is emphasized that this practice is not meant to address conventional or nuclear criticality safety issues.

Scope

1.1 This practice covers methods for withdrawing representative samples of liquid uranium hexafluoride (UF6) from bulk quantities of the material. Such samples are used for determining compliance with the applicable commercial specification, for example Specification C787 and Specification C996.

1.2 It is assumed that the bulk liquid UF6 being sampled comprises a single quality and quantity of material. This practice does not address any special additional arrangements that might be required for taking proportional or composite samples. When the sampled bulk material is being added to UF6 residues already in a container (“heels recycle”) additional arrangements are required to avoid cross contamination of the bulk UF6, these are addressed in the appropriate section (8.2) of Specifications C787 and C996.

1.3 The number of samples to be taken, their nominal sample weight, and their disposition shall be agreed upon between the parties.

1.4 The scope of this practice does not include provisions for preventing criticality incidents.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 12.01
Developed by Subcommittee: C26.02
Pages: 4
DOI: 10.1520/C1052-14
ICS Code: 27.120.30