GB/T 42292-2022 English PDF

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GB/T 42292-2022: Occupational exposure dose assessment of pressurized water reactor nuclear power plant
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
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Basic data

Standard ID: GB/T 42292-2022 (GB/T42292-2022)
Description (Translated English): Occupational exposure dose assessment of pressurized water reactor nuclear power plant
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F74
Classification of International Standard: 13.280
Word Count Estimation: 23,251
Date of Issue: 2022-12-30
Date of Implementation: 2023-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42292-2022: Occupational exposure dose assessment of pressurized water reactor nuclear power plant

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 13.280 CCSF74 National Standards of People's Republic of China Occupational Exposure Dose Evaluation of Pressurized Water Reactor Nuclear Power Plant Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 2 5 General Requirements for Occupational Exposure Dose Assessment 3 6 Methods for Occupational Exposure Dose Assessment 5 Appendix A (informative) Dosimetry system and protection system used in radiation protection and operational practical quantities used in radiation protection7 Appendix B (Informative) Diagram of Radiation Risk Relationship 8 Appendix C (informative) Routine procedures for assessing committed doses from internal exposure by measurement9 Appendix D (informative) Main activity categories for collective dose assessment of occupational exposure10 Appendix E (Informative) Statistics on Occupational Exposure Data of Nuclear Power Plants 17 Appendix F (Informative) Schematic Diagram of External Exposure Dose Assessment of Nuclear Power Plant 18 Appendix G (Informative) Occupational Exposure Control Process of Nuclear Power Plant Operation Stage 19

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Nuclear Energy Standardization Technical Committee (SAC/TC58). This document is drafted by. China Nuclear Power Engineering Co., Ltd., CNNC Nuclear Power Operation Management Co., Ltd., Fujian Fuqing Nuclear Power Co., Ltd., China Institute of Radiation Protection, China General Nuclear Engineering Co., Ltd. The main drafters of this document. Mao Yawei, Mi Aijun, Gao Guiling, Tian Yingnan, Wang Xiaoxia, Wang Bingheng, Xu Ya, Zeng Jinzhong, Zhan Li, Jin Weiyang, Xu Minghua, Cao Qinjian, Zhao Yuan, Tang Shaohua, Lu Weifeng. Occupational Exposure Dose Evaluation of Pressurized Water Reactor Nuclear Power Plant

1 Scope

This document specifies the criteria and methods for occupational exposure dose assessment of PWR nuclear power plant operating status. This document is applicable to the occupational exposure dose assessment of PWR nuclear power plants in operation, and other types of nuclear power plants can be used as a reference.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 16148 Radionuclide Intake and Internal Exposure Dose Estimation Specification GB 18871 Basic standards for protection against ionizing radiation and safety of radiation sources GBZ 128 Specifications for Occupational External Exposure Personal Monitoring GBZ 129 Personal monitoring specifications for occupational internal exposure

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 dose assessment doseassessment Evaluating the acceptable and likely acceptable doses of ionizing radiation received by individuals or groups of people. 3.2 Operational states The collective term for the two types of states, normal operation and anticipated operational event. 3.3 occupational exposure occupational exposure In addition to the exposure excluded by the relevant national regulations and standards and the practices or sources that are exempted according to the relevant national regulations and standards All exposures to which workers are exposed in the course of their work, in addition to their exposures. 3.4 In a uniform and unidirectional radiation field, for a given orientation of the human body, if any small area of the skin receives an equivalent dose equal to If the effective dose ratio is less than 10 times, the radiation is called strong penetrating radiation. Note. Strong penetrating radiation generally refers to the radiation of neutrons, electrons with energy higher than 2MeV and photons with energy higher than 15keV. 3.5 In a uniform and unidirectional radiation field, for a given orientation of the human body, if any small area of the skin receives an equivalent dose equal to If the effective dose ratio is greater than 10 times, the radiation is called weakly penetrating radiation. Note. Weak penetrating radiation generally refers to electrons with energy lower than 2MeV (such as low-energy β/β-, internal conversion electrons), protons, photons with energy lower than 15keV and Radiation from massive charged particles such as alpha particles. ......

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