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IEEE/ANSI N42.18-1980

Current Revision

American National Standard Specification and Performance of On-Site Instrumentation for Continuously Monitoring Radioactivity in Effluents, American National Standard

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New IEEE Standard - Active. Installed instrumentation for measuring the quantity or rate, or both, of release of radionuclides in the effluent streams, and to provide documentation useful for scientific and legal purposes, is covered. Recommendations for the selection of instrumentation are provided. This standard applies to continuous monitors that measure normal releases, detect inadvertent releases, show general trends, and enunciate radiation levels that have exceeded predetermined values.
This standard provides recommendations for the selection of instrumentation specific to the continuous monitoring and quantification of radioactivity in effluents released to the environment. The effluent streams considered may contain radioactive gases, liquids, particulates, or dissolved solids singly or in combination. This standard specifies detection capabilities, physical and operating limits, reliability, and calibration requirements and sets forth minimum performance requirements for effluent monitoring instrumentation. Unless otherwise specified, the criteria herein refer to the total system. This standard applies only to monitoring during routine operation that includes abnormal releases. Emergency situations, where additional performance capability will be required, are a matter of separate consideration. Also outside the scope of this standard are sample extraction and laboratory analyses, normally used for inter comparison between monitor calibrations and laboratory analyses, and other applications for continuous monitoring instrumentation such as environmental monitoring or process control. Sampling techniques are covered in ANSI N13.1-1969, Guide to Sampling Airborne Radioactive Materials in Nuclear Facilities

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number N42.18
Publication Date Nov. 30, 1979
Language en - English
Page Count 23
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Nov. 30, 1979 N42.18-1980 Revision