Standard Guide for Selection and Use of Portable Radiological Survey Instruments for Performing In Situ Radiological Assessments to Support Unrestricted Release from Further Regulatory ControlsTranslate name
STANDARD published on 1.2.2021
Designation standards: ASTM E1893-15(2021)
Publication date standards: 1.2.2021
The number of pages: 27
Approximate weight : 81 g (0.18 lbs)
Country: American technical standard
Category: Technical standards ASTM
ICS Number Code 17.240 (Radiation measurements)
|Significance and Use|
4.1ï¿½The 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.
4.2ï¿½Use 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.
4.3ï¿½Use 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.
1.1ï¿½This 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.
1.2ï¿½The 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.
1.3ï¿½This standard is applicable to the in situ measurement of radioactive emissions that include:
1.3.5ï¿½The measurement of neutron emissions is not included as part of this standard.
1.4ï¿½This 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.
1.5ï¿½This standard does not address records retention requirements for calibration, maintenance, etc. as these topics are considered in several of the referenced documents.
1.6ï¿½Non-SI units are used and appropriate for this guide as they are industry standard. Mathematical equivalents may be provided in parentheses.
1.7ï¿½This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
|2. Referenced Documents|
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