GB/T 45661-2025 English PDF - Radioactive Material Hazardous Quantity Determination
Determination for dangerous quantities of radioactive material
Standard Details
GB/T 45661-2025 (English Version)
- English translated version
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GB/T 45661-2025 (Chinese Version)
- Chinese original version
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Standard Introduction
This document specifies the exposure scenarios, exposure pathways, health effects and characteristics of radioactive substances considered for determining the hazardous quantity of radioactive substances (D-value), as well as the D-value and its application.
This document applies to the determination of the hazardous quantity of radioactive substances (D-value) for nuclear and radiation emergency preparedness.
Standard Catalog
The standard consists of the following main sections:
1 Scope
2 Normative References
3 Terms and Definitions
4 Exposure Scenarios and Exposure Pathways
5 Health Effects
6 Consideration of Radioactive Material Characteristics
6.1 Radiation Characteristics
6.2 Criticality Characteristics
6.3 Chemical Toxicity
7 Hazardous Quantity of Radioactive Substances (D-Value)
8 Application of D-Value
Annex A (Informative) Lethal and Non-lethal Effects
A.1 Lethal Effects
A.2 Non-lethal Effects
Annex B (Informative) Characteristics of Radioactive Substances
B.1 Decay of Radionuclides
B.2 Radiation and Interaction
B.3 Criticality Characteristics
B.4 Chemical Toxicity
Annex C (Informative) Two Calculation Methods for D-Value
C.1 Two Methods for Calculating D-Value
C.2 Expert Method
C.3 Risk Method
References
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