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ASTM E1893-2008a 为确保退役(退出使用)进行现场辐射评定所采用的便携式辐射测量仪的选择和使用标准指南

ASTM E1893-2008a 为确保退役(退出使用)进行现场辐射评定所采用的便携式辐射测量仪的选择和使用标准指南

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【英文标准名称】: Standard Guide for Selection and Use of Portable Radiological Survey Instruments for Performing In Situ Radiological Assessments to Support Unrestricted Release from Further Regulatory Controls
【原文标准名称】: 为确保退役(退出使用)进行现场辐射评定所采用的便携式辐射测量仪的选择和使用标准指南
【标准号】: ASTM E1893-2008a
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: E10.03
【标准类型】: (Guide)
【标准水平】: ()
【中文主题词】:
【英文主题词】: Decommissioning operations; Decontamination; In-situ inspection/analysis; Portable radiological survey; Radiological examination
【摘要】: The purpose of this standard is to provide the user information and guidance for selecting and using instrumentation that will provide measurement results that can be compared to criteria for unrestricted use. Use of this standard will provide greater assurance that the measurements obtained will be technically and administratively sufficient for making decisions regarding completion of decontamination and/or demolition/removal activities. Use of this standard will provide greater assurance that the measurements obtained will be technically and administratively sufficient to meet all applicable regulatory requirements for unrestricted release of a component for recycle or reuse, or for unrestricted release of a remaining surface or area.1.1 This standard provides recommendations on the selection and use of portable instrumentation that is responsive to levels of radiation that are close to natural background. These instruments are employed to detect the presence of residual radioactivity that is at, or below, the criteria for release from further regulatory control of a component to be salvaged or reused, or a surface remaining at the conclusion of decontamination and/or decommissioning. 1.2 The choice of these instruments, their operating characteristics and the protocols by which they are calibrated and used will provide adequate assurance that the measurements of the residual radioactivity meet the requirements established for release from further regulatory control. 1.3 This standard is applicable to the in situ measurement of radioactive emissions that include: 1.3.1 alpha 1.3.2 beta (electrons) 1.3.3 gamma 1.3.4 characteristic x-rays 1.3.5 The measurement of neutron emissions is not included as part of this standard. 1.4 This standard dose not address instrumentation used to assess residual radioactivity levels contained in air samples, surface contamination smears, bulk material removals, or half/whole body personnel monitors. 1.5 This standard does not address records retention requirements for calibration, maintenance, etc. as these topics are considered in several of the referenced documents. 1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
【中国标准分类号】: F84
【国际标准分类号】: 17_24
【页数】: 28P.;A4
【正文语种】: 英语

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ASTM[1] E1893-[1]

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