Text

Westinghouse - Sentry Dry Fuel Storage System Pre-Submittal Presentation Materials
	ML19338E241
Person / Time
Site:	Westinghouse
Issue date:	12/02/2019
From:	Harper Z; Westinghouse, Westinghouse
To:	; Document Control Desk, Office of Nuclear Material Safety and Safeguards
Shared Package
ML19338E240	List: ML19338E241;
References
	AW-19-4976, LTR-NRC-19-73, Rev 1
	Download: ML19338E241 (40)
	v • d • e

Westinghouse Non-Proprietary Class 3 Westinghouse Electric Company 1000 Westinghouse Drive Cranberry Township, Pennsylvania 16066 USA

U.S. Nuclear Regulatory Commission Document Control Desk 11555 Rockville Pike Rockville, MD 20852 Direct tel: (412) 374-5093 e-mail: harperzs@westinghouse.com LTR-NRC-19-73 Revision 1 December 2, 2019

Subject:

SENTRYTM Dry Fuel Storage System Pre-Submittal Presentation Materials Enclosed are the public meeting presentation materials as well as proprietary and non-proprietary versions of SENTRY Dry Fuel Storage System Pre-Submittal Meeting. These materials are updated from those previously submitted. They were used during the discussion in the meetings held on November 21, 2019.

This submittal contains proprietary information of Westinghouse Electric Company LLC (Westinghouse). In conformance with the requirements of 10 CFR Section 2.390, as amended, of the Nuclear Regulatory Commissions (Commissions) regulations, we are enclosing with this submittal an Affidavit. The Affidavit sets forth the basis on which the information identified as proprietary may be withheld from public disclosure by the Commission.

Correspondence with respect to the proprietary aspects of this submittal or the Westinghouse Affidavit should reference AW-19-4976 and should be addressed to Camille T. Zozula, Manager, Infrastructure & Facilities Licensing, Westinghouse Electric Company, 1000 Westinghouse Drive, Building 1, Suite 165, Cranberry Township, PA 16066.

Zachary S. Harper, Manager Licensing Engineering cc: John McKirgan (NRC)

Nishka Devaser (NRC)

Enclosures:

1. Affidavit AW-19-4976

2. Proprietary Information Notice and Copyright Notice

3. SENTRYTM Dry Fuel Storage System Pre-Submittal Meeting: Public Meeting (Non-Proprietary)

4. SENTRYTM Dry Fuel Storage System Pre-Submittal Meeting - Proprietary Closed Meeting

5. SENTRYTM Dry Fuel Storage System Pre-Submittal Meeting - Non-Proprietary Closed Meeting SENTRYTMis a trademark or registered trademark of Westinghouse Electric Company LLC, its affiliates and/or subsidiaries in the United States of America and may be registered in other countries throughout the world. All rights reserved. Unauthorized use is strictly prohibited. Other names may be trademarks of their respective owners.

Westinghouse Non-Proprietary Class 3 AW-19-4976 Page 1 of 3 AFFIDAVIT COMMONWEALTH OF PENNSYLVANIA:

COUNTY OF BUTLER:

(1)

I, Zachary S. Harper, have been specifically delegated and authorized to apply for withholding and execute this Affidavit on behalf of Westinghouse Electric Company LLC (Westinghouse).

(2)

I am requesting the proprietary portions of LTR-NRC-19-73 Revision 1 be withheld from public disclosure under 10 CFR 2.390.

(3)

I have personal knowledge of the criteria and procedures utilized by Westinghouse in designating information as a trade secret, privileged, or as confidential commercial or financial information.

(4)

Pursuant to 10 CFR 2.390, the following is furnished for consideration by the Commission in determining whether the information sought to be withheld from public disclosure should be withheld.

(i)

The information sought to be withheld from public disclosure is owned and has been held in confidence by Westinghouse and is not customarily disclosed to the public.

(ii)

Public disclosure of this proprietary information is likely to cause substantial harm to the competitive position of Westinghouse because it would enhance the ability of competitors to provide similar technical evaluation justifications and licensing defense services for commercial power reactors without commensurate expenses.

Also, public disclosure of the information would enable others to use the information to meet NRC requirements for licensing documentation without purchasing the right to use the information.

Westinghouse Non-Proprietary Class 3 AW-19-4976 Page 2 of 3 AFFIDAVIT (5)

Westinghouse has policies in place to identify proprietary information. Under that system, information is held in confidence if it falls in one or more of several types, the release of which might result in the loss of an existing or potential competitive advantage, as follows:

(a)

The information reveals the distinguishing aspects of a process (or component, structure, tool, method, etc.) where prevention of its use by any of Westinghouse's competitors without license from Westinghouse constitutes a competitive economic advantage over other companies.

(b)

It consists of supporting data, including test data, relative to a process (or component, structure, tool, method, etc.), the application of which data secures a competitive economic advantage (e.g., by optimization or improved marketability).

(c)

Its use by a competitor would reduce his expenditure of resources or improve his competitive position in the design, manufacture, shipment, installation, assurance of quality, or licensing a similar product.

(d)

It reveals cost or price information, production capacities, budget levels, or commercial strategies of Westinghouse, its customers or suppliers.

(e)

It reveals aspects of past, present, or future Westinghouse or customer funded development plans and programs of potential commercial value to Westinghouse.

(f)

It contains patentable ideas, for which patent protection may be desirable.

(6)

The attached documents are bracketed and marked to indicate the bases for withholding. The justification for withholding is indicated in both versions by means of lower case letters (a) through (f) located as a superscript immediately following the brackets enclosing each item of information being identified as proprietary or in the margin opposite such information. These lower case letters

Westinghouse Non-Proprietary Class 3 AFFIDAVIT AW-19-4976 Page 3 of3 refer to the types of information Westinghouse customarily holds in confidence identified in Sections (S)(a) through (f) of this Affidavit.

I declare that the averments of fact set forth in this Affidavit are true and correct to the best of my knowledge, information, and belief.

I declare under penalty of perjury that the foregoing is true and conect.

Executed on: _l_"J.-+/,_2--1-/.=z--"o--'-1_,_q_

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Zachary S. Harper, Manager Licensing Engineering

LTR-NRC-19-73 Revision 1 PROPRIETARY INFORMATION NOTICE Transmitted herewith are proprietary and non-proprietary versions of a document, furnished to the NRC in connection with requests for generic review and approval.

In order to conform to the requirements of 10 CFR 2.390 of the Commission's regulations concerning the protection of proprietary information so submitted to the NRC, the information which is proprietary in the proprietary versions is contained within brackets, and where the proprietary information has been deleted in the non-proprietary versions, only the brackets remain (the information that was contained within the brackets in the proprietary versions having been deleted). The justification for claiming the information so designated as proprietary is indicated in both versions by means of lower case letters (a) through (f) located as a superscript immediately following the brackets enclosing each item of information being identified as proprietary or in the margin opposite such information. These lower case letters refer to the types of information Westinghouse customarily holds in confidence identified in Sections (4)(ii)(a) through (4)(ii)(f) of the Affidavit accompanying this transmittal pursuant to 10 CFR 2.390(b)(1).

COPYRIGHT NOTICE The reports transmitted herewith each bear a Westinghouse copyright notice. The NRC is permitted to make the number of copies of the information contained in these reports which are necessary for its internal use in connection with generic and plant-specific reviews and approvals as well as the issuance, denial, amendment, transfer, renewal, modification, suspension, revocation, or violation of a license, permit, order, or regulation subject to the requirements of 10 CFR 2.390 regarding restrictions on public disclosure to the extent such information has been identified as proprietary by Westinghouse, copyright protection notwithstanding. With respect to the non-proprietary versions of these reports, the NRC is permitted to make the number of copies beyond those necessary for its internal use which are necessary in order to have one copy available for public viewing in the appropriate docket files in the public document room in Washington, DC and in local public document rooms as may be required by NRC regulations if the number of copies submitted is insufficient for this purpose. Copies made by the NRC must include the copyright notice in all instances and the proprietary notice if the original was identified as proprietary.

LTR-NRC-19-73 Revision 1 Westinghouse Non-Proprietary Class 3 SENTRYTM Dry Fuel Storage System Pre-Submittal Meeting:

Public Meeting (Non-Proprietary)

November 2019

Westinghouse Non-Proprietary Class 3 1

Robert Quinn, Director Global Spent Fuel Storage and Disposal SENTRY' Dry Fuel Storage System Pre-Submittal Meeting: Public Meeting SENTRYTM, FuelSolutionsTM are trademarks or registered trademarks of Westinghouse Electric Company LLC, its affiliates and/or subsidiaries in the United States of America and may be registered in other countries throughout the world. All rights reserved. Unauthorized use is strictly prohibited. Other names may be trademarks of their respective owners.

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Introduction

Pre-submittal meeting in advance supporting of Westinghouses planned submittal of an amendment request to CoC 72-1026

Submittal will be in the form of a the Safety Analysis Report (SAR) for the SENTRY Dry Fuel Storage System (DSS)

Planned submittal in late December 2019

Transportation SAR submittal anticipated in mid-2020 LTR-NRC-19-73 Revision 1 (1)

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Background

Westinghouse innovation project over the last two years to develop two new spent nuclear fuel (SNF) canister designs:

- Minimum Cooling Time Canister (W21H) that would support safe, expedited transfer of SNF from SFPs to dry storage

- High Capacity Canister (W37) that supports economical dry storage of most SNF fuel

SENTRY DSS is an updated design of certified FuelSolutionsTM (FS) DSS

- Westinghouse acquired all IP to the FS CoC in 2019 (NRC notification letter on September 13th, 2019, ML19260C962).

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SENTRY DSS Components & Key Features The main system components are:

SENTRY W37 canister - high-capacity canister

SENTRY W21H canister - enhanced heat transfer capability

(~65 kW)

SENTRY W180 storage cask - higher thermal capacity &

enhanced heat removal

SENTRY W110 transfer cask - accommodates both the W21H and W37 LTR-NRC-19-73 Revision 1 (1)

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Design and Regulatory Basis

Regulatory basis and SAR development performed following the draft guidance of NUREG-2215

Canister designs in accordance with ASME Section III, Division 3

All design work performed under the NRC-approved Westinghouse Quality Management System (QMS)

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Application Approach

Plan to submit an amendment to FuelSolutions CoC 72-1026

SENTRY DSS Amendment uses same or similar methodologies in many areas:

- Fuel Qualification

- Technical Specifications

- Shielding Analysis Methodology

- Vertical Transfer operations and equipment

Approach of adding canisters and casks is similar to amendments made to other DSS CoCs. Notable examples: 1004 Standardized NUHOMS was initially 24P and 52B; added 32PT & PTH1, 37PTH, 61BT & BTH, and 69BTH 1014 HI-STORM 100 was initially MPC-24 and -68, and HI-STORM 100 cask; added MPC-32, HI-STORM 100S and 100U (underground VVM)

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Fuel Qualification

Minimum cooling tables developed using similar methodology as FS W21 and W74

- Primary safety parameters, dose rate and heat load, form the basis for fuel acceptance

- Discrete analysis used to develop fuel cooling tables for each canister which pre-qualify cooling times for ranges of fuel assembly classes (given their burnup and enrichment)

Approach allows a greater percentage of the fuel assemblies which currently reside in commercial power reactor spent fuel pool inventories to be qualified for storage, thus reducing dose by allowing more older, colder fuel to be qualified. In addition, it minimizes the need for supplemental qualification calculations to be performed by the licensee prior to each canister loading.

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Criticality - Key Assumptions W37 (37 Cell Basket)

W21H (20 Cell Basket)

The inherent geometry of the fuel basket design The inherent geometry of the fuel basket design Burnup credit Permanent fixed neutron-absorbing panels in the fuel basket structure in the W21H Canister 30 % B4C A zone administrative limit on the maximum enrichment Uniform Fresh fuel 5.0 wt%

An administrative limit on the minimum soluble boron concentration in the water for loading/unloading fuel 2600 ppm An administrative limit on the minimum soluble boron concentration in the water for loading/unloading fuel 1900 ppm Moderator exclusion is assumed under accident conditions, so the limiting situation occurs during the loading of the fuel in the SFP LTR-NRC-19-73 Revision 1

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Shielding

Use of typical methods for dose rates and fuel cooling tables

- Monte-Carlo design basis shielding calculations done using MCNP (new for SENTRY DSS viz. FS)

- adjoint calculations using DORT to support limiting cooling times for burnup/enrichment combinations other than design basis

- source terms generated by ORIGEN2 LTR-NRC-19-73 Revision 1

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Confinement

Confinement of radioactive materials in the SENTRY DSS is provided by the canisters; the storage overpack and transfer cask providing physical protection and shielding for the canister during all conditions.

Confinement boundaries are: cylindrical shell, bottom end closure plate, top end closure lid, vent and drain penetration covers, and associated welds. Designed to meet NUREG-2215 expectations for leaktightness.

Vacuum drying and helium backfilling provide a non-oxidizing environment to protect fuel assemblies against cladding degradation.

Welded closure lid and closure ring provide redundant closure of the canisters, satisfying the requirements of 10 CFR 72.236(e).

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Thermal Analysis Thermal Analyses developed following the guidance of SRP NUREG-2215, NUREG-2152 CFD Best Practice Guidelines and V&V 20-2009 ASME Standard for Verification and Validation in CFDs and Heat Transfer Fuel Assemblies are modeled as a porous media with bounding effective thermal properties of the different types of fuels and configurations, and the hydraulic behavior characterized in NUREG CR-7144 with appropriated friction loss coefficients Analysis of the steady-state storage Normal Operating Conditions, was performed using detailed 3D CFD modelling for both canister W37 and W21H in the Storage Overpack Various loading patterns were analyzed for each canister Analysis of the Off-normal and Accident Conditions were analyzed using the most limiting loading pattern of Normal Conditions 3D CFD analyses for Off-normal and Extreme Ambient Temperature 2D CFD analyses for transient analyses of Hypothetical Accident Conditions (Fire, Burial and 100% Blockage)

Transient analysis for Loading Operations performed using 2D axisymmetric model All CFD analyses have been performed with ANSYS FLUENT v18.2 All cases analyzed show that SENTRY DSS is within compliance limits LTR-NRC-19-73 Revision 1

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Thermal Analysis V&V 20-2009 ASME Standard for Verification and Validation in CFDs and Heat Transfer establishes steps to assess the quantification of the degree of accuracy of computational simulations Errors in a simulation can be assigned to one of three categories; Model error (model) due to modeling assumptions and approximations, Numerical error (num) due to the numerical solution of the equations Input error in the simulation result (input) due to errors in the simulation input parameters.

Model error (model)

Modeling assumptions and approximations have been made in a conservative way Numerical error (num)

Verification of the code itself, has been made to determine that the code is free of mistakes (Fluent V&V code verification)

Process to estimate unum is only based on solution verification and it is composed of three contributions: round-off error, iterative error and discretization error.

Discretization error dominates. To estimate the discretization error has been performed the Grid Convergence Index (CGI) method proposed by Roache. Three meshes (coarse, medium and fine) have been created for the different CFD models.

Input error (input)

To quantify input uncertainty propagation has been use a deterministic methodology based on the law of propagation of uncertainty Input data has been divided in 3 categories; Material properties (density, specific heat, conductivity, viscosity, emissivity), geometrical (tolerances and gaps) and boundary conditions The ASME V&V 20-2009 provides detailed information to evaluate the validation uncertainty (uval). Validation uncertainty can be estimated through the root sum square of the different uncertainties Coarse Medium Fine LTR-NRC-19-73 Revision 1

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Structural Analyses

Appropriate evaluations performed for structural acceptance of all components

- Canisters: W37 & W21H (ASME Section III, Div 3, WC)

- Baskets: W37 & W21H (ASME Section III, Div 3, WD)

- Transfer Cask: W110 (ASME Section III, Div 1, NF and ANSI N14.6)

- Storage Cask: W180 (ACI-349, AISC-360, and ANSI N14.6)

Load combinations

- Normal Operating Conditions

- Off-Normal Operating Conditions

- Handling

- Accident Conditions LTR-NRC-19-73 Revision 1 (1)

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Structural Analyses Normal Operating Conditions (NOC) and Off-normal Operating Conditions (OOC)

Bounded for Handling Cases (crane factor apply a factor of 1.15 to NOC and OOC)

Handling Performed using classical stress analysis and ANSYS Evaluated to the requirements of ANSI N14.6 and guidance of NUREG-0612 for handling devices Accident Conditions Internal and External (Flood) Accidental Pressures Vertical Drops Storage Cask analyses provides boundary conditions to be applied in Canister+Basket analyses (number of gs)

Performed using LS-DYNA Results demonstrate compliance of storage cask with ACI-349 Canister + Baskets Performed using ANSYS Results demonstrate compliance with ASME acceptance criteria LTR-NRC-19-73 Revision 1 (1)

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Structural Analyses Accident Conditions (cont.)

Non-mechanistic tipover - Storage Cask analyses provides boundary conditions to be applied in Canister analyses (number of gs)

Storage Cask Performed using LS-DYNA Canister Performed using ANSYS Classical ASME acceptance criteria confirms confinement integrity is maintained Earthquake Performed using classical stress analysis and ANSYS Accident Temperatures: Fire and Maximum Accident Temperature (100% Blockage)

Missiles impact on Storage Cask Performed using ANSYS All analyses demonstrate compliance of SENTRY DSS components with structural requirements of applicable codes and standards LTR-NRC-19-73 Revision 1 (1)

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Thank you! Questions?

LTR-NRC-19-73 Revision 1

LTR-NRC-19-73 Revision 1 Westinghouse Non-Proprietary Class 3 SENTRYTM Dry Fuel Storage System Pre-Submittal Meeting -

Proprietary Closed Meeting November 2019

LTR-NRC-19-73 Revision 1 Westinghouse Non-Proprietary Class 3 SENTRYTM Dry Fuel Storage System Pre-Submittal Meeting -

Non-Proprietary Closed Meeting November 2019

1 Westinghouse Non-Proprietary Class 3

This is the non-proprietary version of the slides.

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Westinghouse Non-Proprietary Class 3 2

Robert Quinn, Director Global Spent Fuel Storage and Disposal SENTRY' Dry Fuel Storage System Pre-Submittal Meeting - Proprietary Closed Meeting SENTRYTM is a trademark or registered trademark of Westinghouse Electric Company LLC, its affiliates and/or subsidiaries in the United States of America and may be registered in other countries throughout the world. All rights reserved. Unauthorized use is strictly prohibited. Other names may be trademarks of their respective owners.

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Westinghouse Non-Proprietary Class 3

3 Key Features - W37 Performance Max burnup: 65 GWd Cooling time: 3 years 3/4 Heat rejection: 45kW 3/4 Max assembly heat load:

1.7kW 3/4 37 positions (4 positions available for damaged fuel cans)

Design 3/4 Burnup credit + pool boron credit Lifting Points Vent Port Closure lid Drain Port Al Shapes Fuel Spacers Canister Bottom Plate Canister Shell SS+Al Cell matrix Closure Weld Damaged Fuel Can Positions (4)

(a,c)

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4 Key Features - W37 Performance Max burnup: 65 GWd Cooling time: 3 years 3/4 Heat rejection: 45kW 3/4 Max assembly heat load:

1.7kW 3/4 37 positions (4 positions available for damaged fuel cans)

Design 3/4 Burnup credit + pool boron credit Damaged Fuel Can Positions (4)

(a,c)

LTR-NRC-19-73 Revision 1

Westinghouse Non-Proprietary Class 3

5 Key Design Features - W21H Performance Max burnup: 65 GWd Cooling time: 1.5 years 3/4 Max heat rejection: 65kW 3/4 Capacity: 20 SFAs 3/4 Max assembly heat load:

4.375kW (a,c)

(a,c)

LTR-NRC-19-73 Revision 1

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Zone Loading Configurations - W37 (a,c)

LTR-NRC-19-73 Revision 1

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Enrichment and Burnup Requirements - W37 (a,c)

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Zone Loading Configurations - W21H (a,c)

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Key Design Features - W110 - TC Design 3/4 Walls made of SS, Lead and Resin (NS4-FR) 3/4 Bottom removable to load canister in the SO Two configurations 3/4 SENTRY W37: Standard configuration (a,c)

(a,c)

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Westinghouse Non-Proprietary Class 3

10 Key Design Features - W180 - Storage Cask Design 3/4 Reinforced concrete with an inner steel liner 3/4 Patented vent design (patent pending)

Two configurations 3/4 SENTRY W37: standard configuration SENTRY W180 Exterior (a,c)

(a,c)

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Auxiliary Equipment TC Lifting Yoke TC Storage Cask Mating Device Pool Leveling Platform Onsite Transfer Device LTR-NRC-19-73 Revision 1

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Canister Content Comparison Parameter SENTRY W21H SENTRY W37 Max heat load per canister (kW) 65 45 Number of assemblies per canister 20 37 Average heat load per assembly (kW)

Number of assemblies >3.2 kW Max heat load assembly 4.375 1.7 Max heat assemblies allowed 8

8 Min. Cooling Time (months) for max heat load assembly 18 36 Time to Fully Offload spent fuel pool including final core after shutdown** (mo.)

[

] (a,c)

(a,c)

LTR-NRC-19-73 Revision 1

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Sample Final Core Load (a,c)

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Solution Why are we doing this?

(a,c)

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Current Status

Preparation of 10CFR72 storage SAR is in process

Submittal of Part 72 CoC amendment application in December 2019

Submittal of Part 71 CoC application in mid-2020 Westinghouse has committed significant time and resources to develop this step change product LTR-NRC-19-73 Revision 1

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westinghousenuclear.com Westinghouse Electric Company Westinghouse Electric Company

@WECNuclear wecchinanuclear LTR-NRC-19-73 Revision 1

v t e Letter Sequence Request
CAC:001028, SR 3.5.1.2 Notation (Approved, Closed) EPID:L-2023-LLA-0105, Independent Spent Fuel Storage Installation - Request for a Temporary Exemption from 10 CFR 73, Appendix B, Section Le and 10 CFR 73.55(r) Annual Physical Requalification Requirement (Approved, Closed)
Initiation Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, ... further results\|Request]] Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance, Acceptance Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, ... further results\|Supplement]] Administration Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance, Withholding Request Acceptance Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, ... further results\|Meeting]] Questions 22 January 2019 25 August 2021 17 January 2018 19 January 2018 23 February 2018 23 February 2018 23 February 2018 23 February 2018 27 February 2018 27 February 2018 23 February 2018 23 February 2018 27 February 2018 27 February 2018 28 February 2018 28 February 2018 28 February 2018 28 February 2018 28 February 2018 28 February 2018 28 February 2018 6 March 2018 6 March 2018 8 March 2018 8 March 2018 8 March 2018 8 March 2018 8 March 2018 8 March 2018 9 March 2018 9 March 2018 12 March 2018 22 March 2018 26 March 2018 28 March 2018 3 April 2018 3 April 2018 3 April 2018 3 April 2018 5 April 2018 5 April 2018 5 April 2018 5 April 2018 23 April 2018 23 April 2018 10 May 2018 17 May 2018 17 May 2018 29 June 2018 29 May 2018 13 September 2018 18 September 2018 ... further results Answers 21 September 2023 5 April 2018 29 March 2018 7 May 2018 10 April 2018 26 September 2018 22 April 2019 26 June 2019 22 April 2019 18 September 2019 1 November 2019 15 December 2019 31 March 2020 5 June 2020 10 July 2020 11 September 2020 11 November 2020 27 January 2021 9 February 2021 19 November 2021 30 November 2021 25 February 2022 7 June 2022 11 July 2022 13 July 2022 29 July 2022 31 August 2022 31 August 2022 9 September 2022 3 October 2022 3 October 2022 1 December 2022 21 December 2022 6 January 2023 27 January 2023 17 March 2023 8 May 2023 30 June 2023 22 April 2024 14 May 2024 4 November 2024 6 November 2024 Results Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, Approval, ... further results\|Approval]] Other: L-18-006, ISFSI - Site-Specific License Renewal Application, Revision 0, July 2018, L-23-005, Independent Spent Fuel Storage Installation License Renewal Application, Revision 1 (Cac/Epid No. 001028/L-2022-RNW-0007), ML17311A450, ML18018A018, ML18022A077, ML18022A078, ML18022A079, ML18087A056, ML18087A057, ML18087A058, ML18087A059, ML18087A060, ML18087A061, ML18087A062, ML18100A185, ML18100A188, ML18100A190, ML18100A191, ML18100A193, ML18101A024, ML18108A052, ML18131A047, ML18131A048, ML18141A561, ML18141A562, ML18141A563, ML18141A564, ML18141A565, ML18141A567, ML18179A258, ML18179A260, ML18179A266, ML18201A455, ML18205A179, ML18222A351, ML18228A530, ML18228A531, ML18228A532, ML18228A533, ML18234A012, ML18248A121, ML18255A093, ML18255A094, ML18255A096, ML18255A097, ML18255A098, ML18255A101, ML18255A102, ML18324A577, ML18324A594... further results
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