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N15 News

Meeting Announcements

The INMM ASC N15 Annual Meeting will be held jointly with the INMM/N5.1 Analytical Chemistry Laboratory Subcommittee on November 14, 2023 (virtually).  We invite all those with a direct and material interest in N15 standards to attend the meeting. Please contact an N15 officer to express your interest in participating.

Annual Reports to the INMM Executive Committee and INMM Membership

Standards Action Announcements and Other Publications

Public Announcements

Publication Announcement - ANSI N15.8-2009 (R2022) Methods of Nuclear Material Control - Material Control Systems - Special Nuclear Material Control and Accounting Systems for Nuclear Power Plants standard establishes guidelines concerning control and accounting for special nuclear material (SNM) at nuclear power plants. The guidelines set forth in this standard are applicable to SNM and various material mixtures containing SNM. Generally, the SNM involved is plutonium, 233U, or uranium enriched in the isotope U235. The U235 content will vary depending on the type of reactor and various reactor parameters. SNM is typically in the form of pellets encapsulated in fuel rods. Guidelines are set forth for the fundamentals of a SNM control and accounting system, including criteria for the receipt, internal control, physical inventory, and shipment of SNM.

Publication Announcement – ANSI N15.28-2021 Methods of Nuclear Material Control - Guide for Qualification and Certification of Safeguards and Security Personnel

This INMM ASC N15 guide has been updated to make current the references and to align with new techniques and training methods for skills assessments, job categories, training and instructional system design, certification and qualification methods.  It explains the use of the systematic approach to training (SAT) for safeguards and security (S&S) personnel. The training program recommendations define the appropriate methodologies to analyze, design, develop, implement, and evaluate an S&S qualification program.  It includes identifying and developing the knowledge and/or skill set than an induvial should possess and demonstrate. The guide integrates terminology and the performance of job/task/needs analysis with training requirements to provide guidelines for facilities and organizations to develop and maintain qualification and certification of personnel performing S&S tasks or functions.

Publication Announcement – ANSI N15.36-2021 Methods of Nuclear Material Control - Measurement Control Program – Nondestructive Assay:

This standard applies to Non-destructive Assay (NDA) techniques for the measurement of nuclear materials. The guidelines given in this document for the establishment and operation of an NDA Material Control Program (MCP) may be appropriate for other types of quality programs; however, the recommended techniques are designed specifically for NDA measurement of nuclear materials. An MCP comprises the administrative and technical elements necessary to provide measurement results in accordance with specified requirements. The results from the NDA measurements are broadly applied for the purposes of: nuclear material control and accounting, nuclear criticality safety, security and safeguards, operations, transportation, waste management, radiological protection, facility characterization, safety analysis and licensing, decommissioning, and/or similar activities.

This INMM ASC N15 standard provides the principal elements of a measurement control program for an analytical chemistry laboratory supporting nuclear fuel cycle activities. The ability to safely manage and to maintain accounts of these materials requires measurement of the materials as they are produced, used, shipped, stored, and inventoried. A comprehensive measurement control program demonstrates the reliability of the measurement data, quantifies the performance of the measurement system, assures that the measurements used in the nuclear industry are suitable for their intended use, and provides for detection and correction of adverse changes.  The revision adds guidance regarding the optional use of the ISO Guide to the Expression of Uncertainty in Measurement (GUM) to report analytical uncertainties.   This standard is now available for purchase through the ANSI webstore at https://webstore.ansi.org/.