GB/T 14056.1-2008 English PDF

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GB/T 14056.1-2008: Evaluation of surface contamination -- Part 1: Beta-emitters (maximum beta energy greater than 0.15 MeV) and alpha emitters
Status: Valid

GB/T 14056.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14056.1-2008	399	Add to Cart	3 days	Evaluation of surface contamination -- Part 1: Beta-emitters (maximum beta energy greater than 0.15 MeV) and alpha emitters	Valid
GB/T 14056-1993	679	Add to Cart	5 days	Evaluation of surface contamination. Part 1: Beta-emitters (maximum beta energy greater than 0. 15MeV)and alpha-emitters	Obsolete

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Basic data

Standard ID: GB/T 14056.1-2008 (GB/T14056.1-2008)
Description (Translated English): Evaluation of surface contamination -- Part 1: Beta-emitters (maximum beta energy greater than 0.15 MeV) and alpha emitters
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F74
Classification of International Standard: 17.240
Word Count Estimation: 17,177
Date of Issue: 2008-07-02
Date of Implementation: 2009-04-01
Older Standard (superseded by this standard): GB/T 14056-1993
Quoted Standard: GB/T 5202; GB/T 12128; GB 18871
Adopted Standard: ISO 7503.1-1988, MOD
Regulation (derived from): Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of �� emitters and �� emitters method of surface contamination. This section applies to the radioactivity per unit area expressed in equipment, facilities, radioactive material containers and sealed sources of surface contamination. This section is limited to the following conditions of �� emitters and �� emitters: a) �� particles plus monoenergetic electron generation rate of particles emitted per 100 decays nearly 100 particles, b) �� particle particle production rate emitted per 100 decays nearly 100 particles. �� emitters See Appendix A Table A. 3. This section does not apply to the skin and clothing contamination determination.

GB/T 14056.1-2008: Evaluation of surface contamination -- Part 1: Beta-emitters (maximum beta energy greater than 0.15 MeV) and alpha emitters

---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.
Evaluation of surface contamination Part 1. Beta-emitters (maximum beta energy greater than 0.15 MeV) and alpha emitters ICS 17.240 F74 National Standards of People's Republic of China Replacing GB/T 14056-1993 Determination of surface contamination And α emitters (ISO 7503.1. 1988, MOD) Posted 2008-07-02 2009-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 14056 "Determination of surface contamination" includes the following three parts. --- Part 1. β emitters (Eβmax > 0.15MeV) and α emitters; --- Part 2. Tritium surface contamination; --- Part 3. Isomeric transition and electron capture emitters, low energy β emitters (Eβmax < 0.15MeV). This section is GB/T 114 056 Part of the present partial modification of international standards ISO 7503.1. 1988 "surface contamination measurement --- The first part set 1. β emitters (maximum energy greater than β 0.15MeV) and α emitters. " This part of ISO 7503.1. 1988 main technical differences are as follows. --- ISO 7503.1. 1988 and other international standards referenced in place by the respective country standards (see Chapter 2); --- Increased our standard provisions on the control surface contamination levels (4.2.1). For ease of use, this section made the following changes. --- "This part of ISO 7503" with the words "GB/T 14056 in this section"; "." --- With a decimal point instead of a comma as the decimal point, ""; Paragraph --- some provisions of the increased numbers. This Part replaces GB/T 14056-1993 "Determination of surface contamination - Part 1. β emitters (maximum energy greater than β 0.15MeV) And α emitters ", this part of the GB/T 14056-1993 main changes are as follows. --- Of minority representation in the original provision has been modified; --- Restored GB/T 14056-1993 relative to ISO 7503.1. 1988 by deleting the parts, including the note 4.2.3.6, 5.6 Note 3, 4, Note 5, A. The last paragraph 2. This section of Appendix A normative appendix. This part is proposed by the China National Nuclear Corporation. This part of the National Nuclear Energy Standardization Technical Committee (SAC/TC58) centralized. This section was drafted by. Institute of Nuclear Industry Standardization. The main drafters of this section. High power meters, Zhang Libo. This part of the standard replaces the previous editions are. --- GB/T 14056-1993. Determination of surface contamination And α emitters

1 Scope

GB/T 14056 provisions of this part of the determination of β emitters (maximum energy greater than β 0.15MeV) and α emitter surface contamination Methods. This section applies to equipment, facilities, containers of radioactive material and contaminated surface area per unit of radioactivity represented sealed sources Determination. This section is limited to α and β emitters emitters meet the following conditions. a) and single particle electron energy β particle generation rate per 100 decays of particles emitted nearly 100; b) particles of α particle generation rate per 100 decays emit nearly 100 particles. β emitters in Appendix A in Table A. 3. This section does not apply to the determination of skin contamination and overalls.

2 Normative references

The following documents contain provisions which, through reference GB/T 14056 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 5202 Radiation protection instrumentation α, β and α/β (β energy greater than 60keV) contamination meters and monitors (GB/T 5202- 2008, IEC 60325.2002, IDT) GB/T 12128 reference source for β emitters and α emitters calibration of surface contamination monitors (GB/T 12128-1989, neq ISO 8769. 1986) GB 18871 ionizing radiation protection and safety of radiation sources basic standards

3 Terms and Definitions

The following terms and definitions apply GB/T 14056 in this section. 3.1 Surface contaminated radioactive material. 3.2 Under normal operating conditions attached to the non-transferable manner contaminated surfaces. Note. The "normal operating conditions" is assumed under these conditions, the maximum intensity can cause mechanical action to remove surface contamination is limited to the surface normal body Non-accidental exposure (with no protective clothing and protective clothing) in a non-destructive contact with similar intensity between the member and the surface of the device or directly operated. Potency wipe method should be consistent with the mechanical action of these types. ......

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