Valid

GB 15146.1-2026Nuclear criticality safety of fissile materials outside reactors - Part 1: Administrative provisions for nuclear criticality safety (English PDF)

反应堆外易裂变材料的核临界安全第1部分：核临界安全管理规定

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Issued by

State Administration for Market Regulation; Standardization Administration of China

Level / Type

National · Mandatory

Issue date

October 30, 2026

Implementation date

November 1, 2027

Scope

GB 15146.1-2026 is the English-translated version of 反应堆外易裂变材料的核临界安全第1部分：核临界安全管理规定.

GB 15146.1-2026 is the Chinese national standard "Nuclear criticality safety of fissile materials outside reactors - Part 1: Administrative provisions for nuclear criticality safety".

It was issued on October 30, 2026 by the State Administration for Market Regulation and the Standardization Administration of China, and takes effect on November 1, 2027. It is a current standard and replaces GB 15146.1-2008.

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Document preview — GB 15146.1-2026

National Standard of the People's Republic of China

Issued by: State Administration for Market Regulation; Standardization Administration of China

Document data

1 Document data

Sector: National standard (Mandatory).

Issuing body: State Administration for Market Regulation; Standardization Administration of China.

Date of issue: 2026-10-30.

Date of implementation: 2027-11-01.

Status: valid, replaces GB 15146.1-2008.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

Referenced standards

Cited by

Editions of GB 15146.1

Edition	Title	Revision	Status
GB 15146.1-2026	Nuclear criticality safety of fissile materials outside reactors - Part 1: Administrative provisions for nuclear criticality safety	—	Valid
GB 15146.1-2008	Nuclear criticality safety for fissile materials outside reactors - Part 1: Administrative practices for nuclear criticality safety	—	Obsolete
GB 15146.1-1994	Nuclear criticality safety for fissile materials outside reactors-Administrative regulation for nuclear criticality safety	—	Obsolete

This page sells the current edition, GB 15146.1-2026. Earlier editions are listed for reference only.

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