ML14143A037
| ML14143A037 | |
| Person / Time | |
|---|---|
| Site: | West Valley Demonstration Project, P00M-032 |
| Issue date: | 05/28/2014 |
| From: | Rachel Johnson NRC/FSME/DWMEP/DURLD/SPB |
| To: | |
| Shared Package | |
| ML14143A059 | List: |
| References | |
| Download: ML14143A037 (14) | |
Text
OVERVIEW OF NRCS LICENSE TERMINATION RULE TERMINATION RULE Presentation at the West Valley Quarterly Public Meeting May 28, 2014 Robert L. Johnson 1
REGULATIONS AND GUIDANCE
- Regulations: 10 CFR 20 Subpart E (License Termination g
p
(
Rule (LTR))
- Guidance: Consolidated Decommissioning Guidance, NUREG-1757, Vol. 1, 2, and 3
- Commissions West Valley Policy Statement (WVPS)
- Commission s West Valley Policy Statement (WVPS)
- Commissions Orders regarding Shieldalloy o CLI-11-12 and CLI-13-06 o Only for 10 CFR 20.1403(a) 2
LTR STATEMENT OF CONSIDERATIONS (SOC)
CONSIDERATIONS (SOC)
Source of extensive informationrationale for provisions, t
t responses to comments Commission preference for unrestricted release Recognition that there may be cases where achieving unrestricted release would not be reasonable (e g where cost unrestricted release would not be reasonable (e.g., where cost would be excessive)
Flexibility
- Consistent set of criteria for the range of facilities and site Consistent set of criteria for the range of facilities and site conditions
- License termination approaches available: unrestricted release, restricted release, alternate criteria Li d
i i
i th d f ti d
- Licensee proposes decommissioning methods for meeting dose criteria
- NUREG-1757, Vol. 2, Rev.1, Section 2 3
GENERAL PROVISIONS, UNRESTRICTED RELEASE UNRESTRICTED RELEASE
- General provisions p
- 1000 year compliance period
- DOE/NYSERDA EIS should analyze beyond 1000 yr DOE/NYSERDA EIS should analyze beyond 1000 yr (WVPS SOC)
- Unrestricted release license termination 10 CFR 20 1402
- 25 mrem/yr and ALARA
- Licensee could propose both unrestricted and p
p restricted release for different portions of the site 4
RESTRICTED RELEASE ELIGIBILITY ELIGIBILITY
( )
- Purpose
- Initial eligibility for restricted releasenot approval Screen out sites that should be removing
- Screen out sites that should be removing contamination to achieve unrestricted release
- A site would be eligible if further reductions in residual radioactivity necessary to comply with the residual radioactivity necessary to comply with the provisions of 20.1402
- would result in net public or environmental harm or
- were not being made because the residual levels associated with restricted conditions are ALARA.
5
RESTRICTED RELEASE ELIGIBILITY (CONT )
ELIGIBILITY (CONT.)
Commissions Orders regarding Shieldalloy
- Series of Shieldalloy lawsuits with associated Court and Commission actions
- Explain original meaning of provision and clarifies the analysis is limited to further removal of residual radioactivity limited to further removal of residual radioactivity
- Not a comparison of individual doses of restricted and unrestricted release and selection of the lowest dose
- Cost benefit analyses following NUREG-1757, Appendix N
- Costs/benefits of further removal of residual radioactive material from levels proposed to remain onsite to the unrestricted release level
- Net public harm analysis (costs of harm to people and environment compared to benefits, e.g., collective dose averted dollar value)
ALARA (total costs compared to benefits e g collecti e dose a erted
- ALARA (total costs compared to benefits, e.g., collective dose averted dollar value) 6
RESTRICTED RELEASE INSTITUTIONAL CONTROLS (ICs)
INSTITUTIONAL CONTROLS (ICs)
( )
- Guidance in NUREG-1757, Vol. 1, Rev. 2
- Legally enforceable ICs to restrict future site use
- Durable ICs
- For higher risk sites (100-500 mrem/yr or > 100 yr half life
- State or Federal government ownership/control
- State or Federal government ownership/control
- Five-year reviews
- Independent third party/government entity backup p
p y g y
p
RESTRICTED RELEASE ENGINEERED BARRIERS (EBs)
ENGINEERED BARRIERS (EBs)
- EBs to mitigate EBs to mitigate
- Human intrusion
- Adverse natural processes (e.g., erosion) p
(
g
)
- Release and transport of radionuclides
- Contribute to meeting dose criteria; no prescriptive LTR requirements
- EBs are not ICs and are assumed to degrade rather than immediately and totally fail for the IC fail dose criteria 8
RESTRICED RELEASE FINANCIAL ASSURANCE ASSURANCE
- 10 CFR 20.1403(c) 10 CFR 20.1403(c)
- NUREG-1757, Vol. 3
Purpose:
enables independent third party
Purpose:
enables independent third party, including a government custodian, to assume and carryout responsibilities for controls and y
p maintenance
- Requirements for amounts and mechanisms (e.g., government entity statement of intent) 9
RESTRICTED RELEASE ADVICE FROM AFFECTED PARTIES FROM AFFECTED PARTIES
- 10 CFR 20.1403 (d) 10 CFR 20.1403 (d)
- NUREG-1757 Vol. 1
- Seek advice from affected parties on specific Seek advice from affected parties on specific questions incorporate as appropriate incorporate as appropriate,
- Provide a publicly available summary of discussions, and document advice in the d scuss o s, a d docu e t ad ce t e decommissioning plan 10
RESTRICTED RELEASE DOSE CRITERIA CRITERIA
- 10 CFR 20.1403 (b) and (e)
( )
( )
- NUREG-1757, Vol. 2
- If ICs no longer in effect (dose caps)
- If ICs no longer in effect ( dose caps )
o Assumption of immediate and total failure o ALARA o 100 mrem/yr or o 100 mrem/yr or o 500 mrem/yr Further reductions in residual radioactivity necessary to comply with 100 mrem/yr are not technically achievable, prohibitively y
y
, p y
expensive, or would result in net public or environmental harm o If ICs fail NRC retains authority to take action (SOC) 11
RESTRICTED RELEASE ALTERNATE CRITERIA ALTERNATE CRITERIA Alternate criteria license termination
- NUREG-1757, Vol. 1; Rev. 2
- Alleviates the need for exemptions for exceeding doses listed below (SOC) below (SOC)
- Exceed 25 mrem/yr (1402, 1403(b), 1403(d)(1)(i)(A))
- Not to exceed 100 mrem/yr from all man-made sources
- Restrictions required per 1403; reduce doses to ALARA Restrictions required per 1403; reduce doses to ALARA
- Commission approval after considering public and EPA comments Exemptions
- Consider granting exemptions
- WVPS: if LTR compliance is technically impractical or prohibitively expensive, but maintain protection 12
NO LICENSE TERMINATION
- Keep under license p
- SOC: Alternative to license termination if requirements cannot be met WVPS: long term or perpetual license where LTR
- WVPS: long-term or perpetual license where LTR requirements are technical impractical or prohibitively expensive NUREG 1757 Vol 1; Rev 2 Section 17 7 and
- NUREG-1757, Vol. 1; Rev. 2, Section 17.7 and Appendix M
- Possession only license for long-term control approved by Commission by Commission
- Last resort (e.g., if independent third party requirement is not met) 13
RESTRICTED RELEASE CONCLUSION CONCLUSION
- A system of controls to ensure safety A system of controls to ensure safety
- 25 mrem/yr with restrictions
- Legally enforceable and durable ICs
- EBs designed for site
- Monitoring and maintenance; 5-year rechecks
- Independent third party/government backup to site owner/custodian
- Financial assurance for third party Financial assurance for third party
- Dose caps if ICs fail: safety net
- Remain licensed, if needed 14