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:
, and/or trip setpoints such that the setpoints are within the required range and accuracy. continuous release—An essentially uninterrupted release of gaseous or liquid effluent for extended periods during normal operation of the facility where the volume of radioactive waste is non- discrete and there is input flow during the release. controlled area (10 CFR 20)—Means an area, outside of a restricted area but inside the site boundary, access to which is limited by the licensee for any reason. Rev. 2 of RG 1.21, Page 42 controlled area (10 CFR 72)—Means that area immediately surrounding an Independent Spent Fuel Storage Installation (ISFSI) or a Monitored Retrievable Storage facility (MRS) for which the licensee exercises authority over its use and within which ISFSI or MRS operations are performed. controlled discharge—A radioactive discharge is considered to be “controlled” if (1) the discharge was conducted in accordance with methods, and without exceeding any of the limits, outlined in the ODCM, or (2) if one or more of the following three items are true: 1. The radioactive discharge had an associated, pre-planned method of radioactivity monitoring that assured the discharge was properly accounted and was within the limits set by 10 CFR 20 and 10 CFR 50. 2. The radioactive discharge had an associated, pre-planned method of termination (and associated termination criteria) that assured the discharge was properly accounted and was within the limits set by 10 CFR 20 and 10 CFR 50. 3. The radioactive discharge had an associated, pre-planned method of adjusting, modulating, or altering the flow rate (or the rate of release of radioactive material) that assured the discharge was properly accounted and was within the limits set by 10 CFR 20 and 10 CFR 50. controlled release—A radioactive release is considered to be “controlled” if (1) the release was conducted in accordance with methods, and without exceeding any of the limits, outlined in the ODCM,