GB/T 14057.1-2008Decontamination of radioactively contaminated surfaces - Part 1: Method for testing and assessing the ease of decontamination (English PDF)
放射性污染表面去污 第1部分：试验与评价去污难易程度的方法
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Issued by
AQSIQ; SAC
Level / Type
National · Recommended
Issue date
July 2, 2008
Implementation date
April 1, 2009
Scope
GB/T 14057.1-2008 is the English-translated version of 放射性污染表面去污 第1部分：试验与评价去污难易程度的方法.
GB/T 14057.1-2008 is Part 1 of the Chinese national standard on the decontamination of radioactively contaminated surfaces, and gives the method for testing and assessing how easily a surface can be decontaminated. In a nuclear installation the choice of floor, wall and equipment coverings decides how much of a spill can be removed and how much activity stays behind for the life of the plant, so designers and operators need a comparable figure for candidate materials. The method contaminates a test surface with a defined radioactive solution, decontaminates it by a specified procedure and reports the decontamination factor, from which surfaces and coatings can be ranked and accepted. It is superseded by GB/T 14057.1-2026; this edition remains the reference for materials qualified under it. Issued on 2 July 2008, it applied from 1 April 2009 and replaced GB/T 14057-1993.
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Document preview — GB/T 14057.1-2008
National Standard of the People's Republic of China
- Replacing
- GB/T 14057-1993
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China
Contents
- Foreword
- 1 Scope
Foreword
This document was issued on 2 July 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and has applied since 1 April 2009.
It replaces GB/T 14057-1993.
It has been superseded by GB/T 14057.1-2026, Decontamination of radioactively contaminated surfaces - Part 1: Test method to assess the ease of decontamination.
It is a GB/T standard: recommended rather than compulsory, but it is the text a Chinese reviewer, customer or inspection body applies.
1 Scope
GB/T 14057.1-2008 is Part 1 of the Chinese national standard on the decontamination of radioactively contaminated surfaces, and gives the method for testing and assessing how easily a surface can be decontaminated. In a nuclear installation the choice of floor, wall and equipment coverings decides how much of a spill can be removed and how much activity stays behind for the life of the plant, so designers and operators need a comparable figure for candidate materials. The method contaminates a test surface with a defined radioactive solution, decontaminates it by a specified procedure and reports the decontamination factor, from which surfaces and coatings can be ranked and accepted. It is superseded by GB/T 14057.1-2026; this edition remains the reference for materials qualified under it. Issued on 2 July 2008, it applied from 1 April 2009 and replaced GB/T 14057-1993.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of GB/T 14057.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 14057.1-2008 | Decontamination of radioactively contaminated surfaces - Part 1: Method for testing and assessing the ease of decontamination | current edition | Current |
| GB/T 14057-1993 | Decontamination of radioactively contaminated surface - Method for testing and assessing the ease of decontamination | previous edition | Superseded |
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