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GB/T 7465-2015 English PDF

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GB/T 7465-2015: High activity cobalt-60 sealed radioactive sources
Status: Valid

GB/T 7465: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 7465-2015English319 Add to Cart 3 days [Need to translate] High activity cobalt-60 sealed radioactive sources Valid GB/T 7465-2015
GB 7465-2009English799 Add to Cart 4 days [Need to translate] High activity cobalt-60 sealed radioactive sources Obsolete GB 7465-2009
GB 7465-1994English319 Add to Cart 3 days [Need to translate] High activity cobalt-60 sealed radioactive sources Obsolete GB 7465-1994
GB 7465-1987EnglishRFQ ASK 3 days [Need to translate] High activity Cobalt-60 sealed radioactive sources Obsolete GB 7465-1987

PDF similar to GB/T 7465-2015


Standard similar to GB/T 7465-2015

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Basic data

Standard ID GB/T 7465-2015 (GB/T7465-2015)
Description (Translated English) High activity cobalt-60 sealed radioactive sources
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F51
Classification of International Standard 27.120.99
Word Count Estimation 15,110
Date of Issue 2015-10-09
Date of Implementation 2016-11-01
Older Standard (superseded by this standard) GB 7465-2009
Quoted Standard GB 4075-2009; GB 11806-2004; GB 15849-1995; GBZ 161
Regulation (derived from) National Standard Announcement 2015 No.31
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 structure, technical requirements, test methods, inspection rules of high-activity sealed radioactive sources of Co-60, marking, inspection certificates and instructions, packaging, transport and storage and so on. This Standard applies to more than 10 TBq of radioactivity teletherapy source 60�� drill, drill 60�� industrial radiation sources also applies to �� ??knife treatment with cobalt 60�� source activity detection drill 60�� source and other uses of more than 10 TBq drill 60�� source.

GB/T 7465-2015: High activity cobalt-60 sealed radioactive sources

---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.
(High activity sealed radioactive cobalt-60) ICS 27.120.99 F51 National Standards of People's Republic of China Replacing GB 7465-2009 High activity sealed radioactive cobalt-60 Issued on. 2015-10-09 2016-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB 7465-2009 "high-activity sealed radioactive cobalt-60", this standard compared with GB 7465-2009, mainly to Under Change. a) delete the words "all the technical contents of this standard is mandatory"; b) Remove the "φ15mm × 90mm industrial irradiation with cobalt 60γ source" content; c) a reference document added "GB 17568 γ irradiation facilities design and construction and use of norms", the "GB W3 remote medical treatment Health Spa line γ source protection regulations "was changed to the current implementation of" GB Z161 Medical γ beam teletherapy protection and safety standards, " And according to GB Z161-2004 modify the standard 5.9 and 6.9; d) delete the words "Sealed Radioactive Sources", "air kerma", "air kerma rate", "exposure" and "exposure rate" and terminology definition; e) increasing the "equivalent activity" and the term "loading activity" term, delete the words "in the name of the activity" term; use the name of the original standard activity All changes to the terms of the loading activity; f) Remove the "Categories" content; g) increase the "cobalt raw material," the technical requirements, the technical requirements of the standard in the original "raw material" to "cladding material"; h) Remove the "γ radioactive impurities" Technical requirements and test, etc; i) the "safe use of the term" technical requirements changed to "recommend the use of the term", the content of which was changed to "the prescribed use of the environment And under the conditions of use, duration of use of high-activity cobalt sources 60γ determined by the manufacturer according to their safety, regulations and requirements Set and marked "in the product specification; j) increase the "cobalt raw material inspection," Test Method, the "raw material test" to "test the cladding material"; k) Remove the contents of the "safe use of the test"; l) the original "factory inspection" project "sources of air kerma rate (or exposure rate)" and "inspection certificate" in the content "Radiation output rate" increased "only for medical cobalt 60γ source" marked; m) Delete the original "special inspection" project "life" test; n) the original "inspection certificate" and Appendix D content in "the name of the source core size" to "active area size"; o) Delete the original "manual" in the content, "a source involved in emergency approach" increased "use of the term" content; Water p) industrial irradiation with cobalt source 60γ a reservoir wells require modification to "reference implementation of GB 17568"; q) Appendix C increases the activity of radioactive load calculation methods calorimetry and relative measurement method combined with the completion of the adoption; r) deleted Appendix E. The standard proposed by China National Nuclear Corporation. This standard by the National Standardization Technical Committee on Nuclear Energy (SAC/TC58) centralized. This standard was drafted. China spoke with the Company. The main drafters of this standard. Liu Jinxiang, hope Wang, Zhe Yang. This standard replaces the standards previously issued as follows. --- GB 7465-1987, GB 7465-1994, GB 7465-2009. High activity sealed radioactive cobalt-60

1 Scope

This standard specifies the structure, technical requirements, test methods, inspection rules of high-activity sealed radioactive cobalt 60, logos, and make inspection certificate With instructions, packaging, transport and storage and so on. This standard applies to radioactivity (hereinafter referred to as activity) of greater than 10TBq cobalt teletherapy source 60γ industrial irradiation with cobalt 60γ source, but also for γ knife treatment with cobalt 60γ source, cobalt 60γ source activity detection and other purposes than Co 60γ 10TBq the source.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 4075-2009 Sealed radioactive sources - General requirements and classification GB 11806-2004 safe transport of radioactive materials regulations Leakage test methods GB 15849-1995 sealed radioactive sources GB Z161 Medical γ beam teletherapy protection and safety standards SEPA sources Encoding Rules on Environment and Development [2004] No. 118, August 24, 2004

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 High activity sealed radioactive cobalt 60 highactivitycobalt-60sealedradioactivesources Radioactivity is greater than the source of Cobalt 60 10TBq sealed radioactive sources. 3.2 Equivalent activity equivalentactivity In the center of the source from a certain distance of air kerma rate, if the same is equal to a known activity of radionuclide point source In the air kerma rate at the same distance, the equivalent activity is equivalent to the activity of a source point source. 3.3 Loading activity contentactivity Activity sealed sources of radioactive material within the actual load values. 3.4 Radiation field irradiationfield Perpendicular to the beam axis of the radiation beam to a planar section (at any distance from the source). 3.5 Radiation field within the air kerma rate (or exposure rate) asymmetry unsymmetryofairkermarate (orexposure rate) inirradiationfield Kerma rate (or exposure rate) of the air ratio relative deviation from the center of the radiation field symmetry equidistant between points.

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