Document: NUREG-0800
Document ID: 66e7af3b-21c0-444f-8737-0830bb176eba
Document Type: srp
Title: PROCESS AND EFFLUENT RADIOLOGICAL MONITORING INSTRUMENTATION
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1502/ML15029A182.pdf
Revision Date: 2023-06
Chapter: 11
Section ID: 11.5
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CFR Title: 

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section and ANS N42.18-2004. These provisions also apply to liquid and gaseous process radiation monitoring equipment not covered by the ODCM. NG - Noble gas radioactivity, such as argon, krypton, and xenon gases. I - Iodine radioactivity, radioactivity of other radionuclides in particulate and gaseous form (e.g., carbon-14), and alpha emitters. H3 - Tritium as tritiated water and water vapors, and elemental and organic forms. 11.5-59 Revision 6 – January 2016 R - Gross radioactivity (beta radiation, gamma radiation, or total beta plus gamma). This provision also applies to measurement methods relying on the use of surrogate radionuclides, as easy-to-detect, in accounting for the presence of hard-to-detect radionuclides when not specifically analyzed or monitored. R1 - For instrumentation used to comply with TS on reactor coolant pressure boundary (RCPB) or steam generator (SG) tube leakage rates, the basis of the placement of the radiation detectors on system piping and components and detection sensitivity of the radiation monitoring system should be described and specify which radionuclides are used to demonstrate conformance with the TS. S&A - Sampling and analysis of radionuclides, to include gross radioactivity, identification and concentration of principal or significant radionuclides, and concentration of alpha emitters, as defined in the RETS/SREC and ODCM using NRC guidance. This provision applies to liquid and gaseous process radiation monitoring equipment not covered by the ODCM, including information describing a plant-specific process, TS for RCPB and SG tube leakage rates, and radiological sampling and analysis plan for systems not covered by the ODCM. ( ) - Monitoring or sampling provisions indicated within parentheses are required only for systems not monitored, sampled, or analyzed (as indicated) prior to release. 11.5-60 Revision 6 – January 2016 APPENDIX 11.5-A DESIGN GUIDANCE FOR RADIOLOGICAL EFFLUENT MONITORS PROVIDING SIGNALS FOR INITIATING