ML24081A088
| ML24081A088 | |
| Person / Time | |
|---|---|
| Issue date: | 03/12/2024 |
| From: | Cynthia Barr NRC/NMSS/DDUWP/RTAB |
| To: | |
| References | |
| Download: ML24081A088 (8) | |
Text
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024 Bethesda North Marriott Hotel and Conference Center Rockville, Maryland
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE Draft Interim Staff Guidance (ISG)
DUWP-ISG-02, Radiological Surveys and Dose Modeling of the Subsurface to Support License Termination Extends NUREG-1575, Multi-Agency Radiation Survey and Site Investigation, (MARSSIM) to the subsurface, addressing surveys of open excavations, reactor basement substructures, and materials planned for reuse, among other topics Image Credit: DUWP-ISG-02, Figure 2.9 Image Credit: E. Darois (ML22136A164)
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE DUWP-ISG-02Alternative Sampling and Survey Methods Includes guidance on use of in situ gamma spectroscopy for radiological surveys, including final status surveys Image Credit: DUWP-ISG-02, Figure 2.7.
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE DUWP-ISG-02Dose Modeling for Existing Groundwater Contamination Addresses guidance gaps regarding adequacy of groundwater monitoring networks and assessment of risk from existing groundwater contamination Image Credit: Fort Calhoun License Termination Plan, Figure 1-7
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE DUWP-ISG-02Dose Modeling for Unsubmerged and Submerged Sources Addresses guidance gaps for application of commonly used decommissioning dose modeling codes to develop cleanup levels for unsubmerged and submerged sources, including basement substructures Image Credit: DUWP-ISG-02, Figure 3.5 (modified from RESRAD training slide)
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE Issued October 19, 2023, with a 60-day public comment period (88 FR 72112)
Comments were due December 18, 2023 12 comments were received, including the following:
1.
Level of survey needed for reuse of offsite materials 2.
Survey of low-risk or small excavations 3.
Need for and nature of site-specific support for risk-significant parameters 4.
Adding realism to assessment of risk from existing groundwater contamination DUWP-ISG-02Public Comments Image Credit: DUWP-ISG-02, Figure 3.10
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE DUWP-ISG-02Next Steps Publication of the final DUWP-ISG-02 is anticipated in late summer 2024; comment responses will accompany the final document The final DUWP-ISG-02 will be incorporated into the next revision of NUREG-1757, Volume 2 The NRC is separately updating NUREG/CR-7021 and Visual Sample Plan under contracts with ORNL and PNNL, respectively (see the draft ISG for more information on planned updates)
You can find the draft ISG and other related reports on the NRCs What's New in Decommissioning website Image Credit: DUWP-ISG-02, Figure B.1
RIC 2024 Hybrid U.S. Nuclear Regulatory Commission 36th Annual Regulatory Information Conference MARCH 12-14, 2024
- nrcric2024 www.nrc.gov ADAPTING TO A CHANGING LANDSCAPE Contact Information Cynthia Barr, NRC/NMSS Cynthia.Barr@nrc.gov Randall Fedors, NRC/NMSS Randall.Fedors@nrc.gov Special thanks to NMSS/DUWP management: Chris McKenney, Shaun Anderson, Bruce Watson, and Jane Marshall for their guidance and support