Document: NRC Regulatory Guide
Document ID: eb3f5778-b26b-4ba0-9962-f7101bddfff7
Document Type: regulatory_guide
Title: (Rev. 3005)
Source: NRC Regulatory Guide Division 4
Source URL: https://www.nrc.gov/docs/ML0037/ML003739900.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-4.8
CFR Part: 
CFR Title: 

Content:
s possible. b. Nonroutine Radiological Environmental Operating Reports "The nonroutine reporting requirements for radiological environmental monitoring are divided into several sections: (1) anomalous measurements and (2) [additional reporting specifications pursuant to Appen dix I to 10 CFR Part 50 may be proposed].* The section on anomalous measurements applies to specifica tions for all nuclear power plants. "(1) Anomalous Measurement Report. If a confirmed measured level of radioactivity in any en vironmental medium exceeds ten times the control station value, a written report shall be submitted to the Director of the NRC Regional Office (with a copy to the Director, Office of Nuclear Reactor Regulation) within 10 days after confirmation.** This report shall include an evaluation of any release conditions, environmental factors, or other aspects necessary to explain the anomalous result. "(2) [Reporting requirements to be devel oped.] * c. Nonroutine Radioactive Effluent Reports "If the quantity of radioactive material released in effluents to unrestricted areas during any calendar quarter is such that the resulting radiation exposure exceeds one-half the design objective annual exposure derived pursuant to Appendix I to 10 CFR Part 50, the licensee shall make an investigation to identify the causes of such releases and define and initiate a program of action to reduce such releases to the design objective levels. A written report of these actions shall be submitted to the Director of the NRC Regional Office (with a copy to the Director, Office of Nuclear Reactor *The statement in brackets (I is meant for clarification only and is not &cceptable wording for this section. Guidance for addi tional reporting requirements will be developed and included in a revision to this guide. **A confirmatory reanalyss of the original, a duplicate, or a new sample may be desirable, as appropriate. The results of the confirmatory analysis shall be completed at the earliest time