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National Nuclear Security Administration U.S. Department of Energy Item Level Reporting Proposal. Amy B. Whitworth NNSA MC&A Program Manager. Overview. Background Proposal Path Forward. Background.

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National nuclear security administration u s department of energy item level reporting proposal
National Nuclear Security AdministrationU.S. Department of EnergyItem Level Reporting Proposal

Amy B. Whitworth

NNSA MC&A Program Manager


  • Background

  • Proposal

  • Path Forward


  • The Nuclear Materials Management and Safeguards System (NMMSS) was designed during the weapons production era.

  • NMMSS was designed as both a nuclear materials management and safeguards tool.

  • Materials management community found that the data in NMMSS did not adequately cover all their information needs so they designed and implemented the Nuclear Material Information Assessment (NMIA).

  • The nuclear materials management community also receives some information from the NMMSS.

Background continued
Background (continued)

  • NMMSS is not a safeguards tool.

    • The nuclear materials inventory summary information is artificially binned up into Composition of Ending Inventory Codes (COEI) and then further compiled into Reporting Identification Symbols (RIS) and also sorted by project code.

    • It is recognized that the binning of nuclear material inventory information in all the COEI codes is not standardized across the DOE complex.

    • RIS reporting for the most part encompasses multiple material balance areas (MBA).

    • MBAs are the accounting structures defined to identify inventory differences where they best make sense on related operations.

    • Many facilities with complicated processes are now implementing process monitoring on a lower level than MBA (process unit) recognizing that safeguards are more relevant at this level.

Background continued1
Background (continued)

  • DOE facilities are reporting artificially binned up information on nuclear material inventories to Headquarters in accounting structures that may or may not be operationally related.

  • Therefore, analysis on information at the RIS level such as inventory difference or material balance is essentially meaningless for safeguards purposes and can be easily misunderstood.

Background continued2
Background (continued)

  • Contractor performance is essentially measured by ability to report artificially binned up information in accounting structures not relevant for safeguards.

  • The majority of errors encountered in reporting information to the NMMSS are in the owner/project codes (used by materials management and cost financial accounting).

  • There has never been an instance where the site changed its accountability book value for nuclear material based upon NMMSS.

Background continued3
Background (continued)

  • NMMSS does not identify significant shipper/receiver differences to Headquarters nor does it report inventory differences that exceed warning or alarm limits.

  • NMMSS does not analyze these material control indicators to identify potential site biases or trends.

Why are we doing this
Why are we doing this?

  • Significant amounts of effort are expended to report to and reconcile with the NMMSS.

  • Activity funded by security dollars, but no security benefit.

However, we recognize that there are some very important users of NMMSS data, so this proposal seeks to minimize reporting burden while still providing information necessary for the customers….


  • Inventory reporting to provide more timely, accurate, and detailed inventory information while also significantly reducing the burden on the contractor.


  • Submit item level information for physical inventory and shipments/receipts and enhance business practices to improve data audit trails while minimizing errors.

    • add reconciliation (validation) steps along the way (for PILs, transactions, and MBRs)

    • require the sites to provide complete and fully reconciled material balance reports(MBRs) to NMMSS (currently there is no solid requirement for the sites) at least twice a year for the March and September inventories.

Create a mirror of the site data


  • Drawbacks:

    • Programming changes at NMMSS (need ability to sum by project number and material type code and COEI, accept location field)

    • Programming changes at Sites (automate the generation of detailed data sets)

    • Potential concern from NRC licensed facilities they might not be able to handle item level data. (741s)

    • Requires directive change (potential to promulgate NNSA standard or NNSA level deviation)


  • Recommendations:

    • General Recommendations: Short Term:

      • Improve the timeliness, accuracy and detail of the NMMSS data and reports by changing the business practices to accept reconciled, facility item level inventory data while retaining the ability of the NMMSS to reconcile external transaction.

    • Long Term:

      • Improve the cost efficiency of maintaining of HSS accountability systems by adopting a common architecture.  Consider migration of the NMMSS to a Data Warehouse structure based on Core LANMAS.

    • NMM Recommendations :

      • Combine COEI codes (i.e. 700s to 700 only)

      • Consider IDES as a replacement COEI codes

      • Identify information necessary considering requirements for currency

Test beds
Test Beds

  • NTS, SRS, Y-12, ORNL

  • July – August (60 day parallel reporting)

    • Item field data definition


  • Identify field requirements for item level records (subset of information currently provided and driven by customer)

    • RIS,

    • Identification (Batch Name or in this case item ID),

    • DOE project code,

    • gross and net weights (optional in 741),

    • detailed material type,

    • element weight,

    • isotope weight,

    • weight percent,

    • LOE (as currently required in 741),

    • piece count (number of items – optional),

    • Site/Item Description Code (use IDES - optional),

    • COEI, and

    • owner code.

  • File verification software

    • SFV Checker

Actions continued
Actions (continued)

  • Identify potential NRC impacts

    • Contact NMMSS and define universe of DOE/NRC interactions (still waiting on response)

    • Site to site contact to assess ability to accept item level data on transactions

  • Anticipate potential issues and recommend action to address

    • Rounding errors

    • Limitations on number of lines

    • Batch Name (requiring shipper/receiver to have same name)

    • Reporting negative inventory lines

    • NMMSS Compatibility Error Check

    • Pilot sites need to be in balance before beginning item level

    • Large Inventory Datasets

  • Actions continued1
    Actions (continued)

    • Draft site level project plans

    • Revise Operating Procedure (this is Section B of the current directive)

    • Review NMMSS SOP for reconciliation of facility MBR

    • Identify potential classification concerns and how to address them

      • Sigma 3 or 5 with summary and item level, these sigmas are going away (confirmed with NA-12)

    • Coordinate with HQ and field CFO

      • VTCs scheduled week of June 1.

    • Review NMMSS definition of “error” resolve SAMS issue

    • Conduct lean six sigma of process changes to determine benefits/efficiencies/cost savings