Document: NRC Regulatory Guide
Document ID: 96baa826-d3bb-478b-8f38-e74500f6d433
Document Type: regulatory_guide
Title: 06/2009 (Rev. 2)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0911/ML091170109.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.21
CFR Part: 
CFR Title: 

Content:
tional Standard for Expressing Uncertainty-- U.S. Guide to the Expression of Uncertainty in Measurement,” American National Standards Institute, New York, NY, January 1997. NIST Technical Note 1297, “Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results,” National Institute of Standards and Technology, Gaithersburg, MD, September 1994. Appendix A to RG 1.21, Page A-1 APPENDIX A - TABLES Table A-1. Gaseous Effluents—Summation of All Releases Summation of All Releases Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Uncertainty Fission and Activation Gases Ci Average Release Rate μCi/s % of Limit % Iodines (Halogens) Ci Average Release Rate μCi/s % of Limit % Particulates Ci Average Release Rate μCi/s % of Limit % Tritium Ci Average Release Rate μCi/s % of Limit % Gross Alpha Ci Appendix A to RG 1.21, Page A-2 Table A-1A. Gaseous Effluents—Ground-Level Release—Batch Mode Fission and Activation Gases Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Ar-41 Ci Kr-85 Ci Kr-85m Ci Kr-87 Ci Kr-88 Ci Xe-131m Ci Xe-133 Ci Xe-133m Ci Xe-135 Ci Xe-135m Ci Xe-138 Ci (List Others) Ci Total Ci Iodines/Halogens Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total I-131 Ci I-132 Ci I-133 Ci I-134 Ci I-135 Ci Total Ci Particulates Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Co-58 Ci Co-60 Ci Sr-89 Ci Sr-90 Ci Cs-134 Ci (List Others) Ci Total Ci Tritium Ci Gross Alpha Ci Appendix A to RG 1.21, Page A-3 Table A-1B. Gaseous Effluents—Ground-Level Release—Continuous Mode Fission and Activation Gases Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Ar-41 Ci Kr-85 Ci Kr-85m Ci Kr-87 Ci Kr-88 Ci Xe-131m Ci Xe-133 Ci Xe-133m Ci Xe-135 Ci Xe-135m Ci Xe-138 Ci (List Others) Total Ci Iodines/Halogens Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total I-131 Ci I-132 Ci I-133 Ci I-134 Ci I-135 Ci Total Ci Particulates Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Co-58 Ci Co-60 Ci Sr-89 Ci Sr-90 Ci Cs-134 Ci (List Others) Ci