Document: NRC Regulatory Guide
Document ID: 2654196f-c25a-40d1-8edc-e828353b6377
Document Type: regulatory_guide
Title: Standard Format and Content of Environmental Reports for Near-Surface Disposal of Radioactive Waste + HISTORY - HISTORY 04/1982 – Draft WM 013-4
Source: NRC Regulatory Guide Division 4
Source URL: https://www.nrc.gov/docs/ML1218/ML12187A698.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-4.18
CFR Part: 
CFR Title: 

Content:
may be necessary to establish a monitoring program based on the applicant's own identification of potential or possible effects and to provide the underlying rationale for such a program. Accordingly, the plans for measurement of preexisting conditions should be care- fully reviewed to ensure that these plans include all factors that must be sub- sequently monitored as discussed in Section 5.2. Sampling design, frequency, methodology (including calibration and checks with standards), and instrumentation for both collection and analysis should be discussed as applicable. In all cases, estimate the statistical validity of any proposed sampling program. Information should be provided on instrument accuracy, sensitivity, *A regulatory guide on site suitability and characterization is under development d and, when issued, should provide additional guidance in this area. 22 and (especially for highly automated systems) reliability. Where standard analytical or sampling techniques can be identified, they need only be so identified and referenced. For quantitative descriptions of samples collected within each area of interest and each time of interest, descriptive statistics should include, unless justifiably omitted, the mean, standard deviation, standard error, and a confidence interval for the mean. In each case, the sample size should be clearly indicated. If diversity indices are used to describe a collection of organisms, the specific diversity indices used should be stated. 5.1 Preoperational Environmental Programs The program for collection of initial or baseline environmental data prior to submittal of the environmental report should be described in sufficient detail to make it clear that the applicant has established a thorough and comprehensive approach to environmental assessment. The description of these programs should be confined principally to technical descriptions of instrumentation, schedul- ing, technique, and procedures. Where information from the