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:
n of radioactivity. It also addresses environmental monitoring (both on-site and offsite), including the exposure pathways. The guide defines the exposure pathways, the program scope of sampling media and sampling frequency, and Rev. 2 of RG 1.21, Page 7 the methods of comparing environmental measurements to effluent releases in the Annual Radiological Environmental Operating Report. Regulatory Guide 4.15 provides the basic principles of QA in all types of radiological monitoring programs for effluent streams and the environment. The guide addresses all types of licenses including nuclear power plants. The guide provides the principles for structuring organizational lines of communication and responsibility, using qualified personnel, implementing standard operating procedures, defining data quality objectives (DQOs), performing quality control (QC) checking for sampling and analysis, auditing the process, and taking corrective actions. NUREG-1301 and NUREG-1302 provide the detailed implementation guidance by describing effluent and environmental monitoring programs. The NUREGs specify effluent monitoring and environmental sampling requirements, surveillance requirements for effluent monitors, types of monitors and samplers, sampling and analysis frequencies, types of analysis and radionuclides analyzed, lower limits of detection (LLDs), specific environmental media to be sampled, and reporting and program evaluation and revision. Regulatory Guide 1.109 provides the detailed implementation guidance for demonstrating that radioactive effluents conform to the “As Low as is Reasonably Achievable” (ALARA) design objectives of 10 CFR 50, Appendix I. The regulatory guide describes calculational models and parameters for estimating dose from effluent releases, including the dispersion of the effluent in the atmosphere and different water bodies. Note: The dose to occupational workers, including contributions from activities associated with effluent programs (such as