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:
eight) 40 40 4- 0.08 (200/312) (0.05-2.0) 0.051(4/24) (0.03-0.13) 0.03(2/24) (0.01-0.08) <LLD <LLD <LLD <LLD 120 (3/4) (90-200) Distance and Direction Middletown 5 miles 340W Smithville 2.5 miles 1600 Podunk 4.0 miles 270* River Mile 35 Podunk River 0.10(5/52) (0.082.0) 0.08(2/4) (0.03-0.13) 0.05(2/4) (0.01-0.08) <LLD <LLD See column 4 j _____________________ 00l Number of Nonroutine C 0 4.. U CL x a. E UJ 1 4 1 0.08 (8/104) (0.05-1.40) <LLD 0.02 (1/8) <LLD <LLD 90(1/4) <LLD <LLD 0 0 0 aNominal Lower Limit of Detection (LLD) as defined in HASL-300 (Rev. 8/73), pp. D.-0801, 02,03. b Mean and range based upon detectable measurements only. Fraction of detectable measurements at specified locations is indicated in parentheses. (f) CNonroutine reported measurements are defined in Section 5.6.2.h. 0 0 DocetNo (County, State) I TABLE 2 OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM Exposure Pathway Nu me of Samplea Sampling and Type and Frequency and/or Sample and Locations Collection Frequency of Analysis AIRBORNE Particulates Continuous sampler operation with sample collection weekly or as re quired by dust loading, whichever is more frequent Continuous sampler operation with canister collection weekly¢,e Once per 3 years Quarterly Gross beta radi( activity following filter change,b composite (by location) for g. ima isotopicc and composite Sr-89, -90 analyses quarterly Analyze weekly for 1-131 Gamma isotopic, Sr-90 on collection Gamma dose quarterly "-ued) 3 samples from locations (in difterent sectors) of the highest offsite ground-level concentrations 1 sample from the residence having the highest X/Q as well as each of 1-3 communities within a 10-mile radius of the facility 2 samples from control locations (10-20 miles distant and in the least prevalent wind direction)d 2 samples from locations (in different sectors) having the highest offsite ground-level concentrations 1 sample from the residence having the highest X/O as well as 1 community within a