SUBCOMMITTEE CHAIR AL DON CISCO SUBCOMMITTEE VICE CHAIR BRAD BURNS BOARD CHAIR BOB BERRY BOARD CO-VICE CHAIRS LISA BENNETT CARLTON CAVE SUBCOMMITTEE MEMBERS DENNIS FOREMAN JIMMY SMALLEY CINDY QUILLEN DOE DEPUTY DESIGNATED FEDERAL OFFICIAL JOEL BRADBURNE DOE FEDERAL COORDINATOR GREG SIMONTON

SUPPORT SERVICES EHI CONSULTANTS PHONE: 740-289-5249 FAX: 740-289-1578 EMAIL: JULIE@PORTS-SSAB.ORG

D&D/REMEDIATION SUBCOMMITTEE

TUESDAY, MARCH 14, 2017 @ 4:00 P.M.

AGENDA

• NDA OVERVIEW- HEATHERLY DUKES, FBP

• MISCELLANEOUS

ADJOURN

THE PURPOSE OF THIS MEETING IS TO PRESENT AN OVERVIEW ON NDA

Portsmouth EM Site Specific Advisory Board

Chartered as an EM Site Specific Advisory Board under the Federal Advisory Committee Act

2015 PIKE COUNTY CHAMBER OF COMMERCE ORGANIZATION OF THE YEAR

D&D/REMEDIATION SUBCOMMITTEE MEETING SUMMARY

MARCH 14, 2017 • 4:00 P.M. THE OHIO STATE UNIVERSITY ENDEAVOR CENTER

1862 SHYVILLE ROAD, PIKETON, OH 45661 SSAB Subcommittee Members Present: Al Don Cisco, chair; Brad Burns, vice chair; Dennis Foreman, Jimmy Smalley SSAB Subcommittee Members Absent: Cindy Quillen Other SSAB Members Present: Bob Berry, board chair; Carl Hartley, Carol Caudill U.S. Department of Energy (DOE) and contractors: Joel Bradburne, Johnny Reising, Matt Vick, DOE; Rick Greene, Restoration Services, Inc. (RSI); Dennis Carr, Jeff Wagner, Jack Williams, Heatherly Dukes, Kyle Rase, Matt DeHart, Fluor-BWXT Portsmouth (FBP) Liaisons: Mike Rubadue, Ohio Department of Health (ODH); Dustin Tschudy, Tom Schneider, Ohio Environmental Protection Agency (EPA) Support Staff: Eric Roberts, Julie Galloway, Cindy Lewis, EHI Consultants (EHI) Public: None Cisco: Opened the meeting:

1. NDA Overview-Heatherly Dukes, FBP: • NDA Uses At Portsmouth • Current Project Need • Various Items Requiring NDA • Quality System for Non-Destructive Assay (QSNDA) • NDA Synopsis • Non-Destructive Assay Measurement Systems • High Purity Germanium • HPGe Converter Station • Solid-fluorescent scintillation detector ((Sodium Iodide (Nal)) • Sodium Iodide (Nal) Based Systems Used at Portsmouth • Nal with Multi-Channel Analyzer (HMS4) • Systematic Monitoring Approach • Converter Station • Neutron Detector

3.14.17 D&D/REMEDIATION SUMMARY

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Chartered as an EM Site Specific Advisory Board under the Federal Advisory Committee Act

2015 PIKE COUNTY CHAMBER OF COMMERCE ORGANIZATION OF THE YEAR

• Neutron Slab System • Compressor Station • Questions?

Foreman: Do you know what the limits are set when you go out? What is the count? How often do you calibrate something like that? For the workers’ safety how often do they check their suits? How do they check to make sure they are safe in case one of those is higher than 20 grams?

Dukes: We took a 12-inch pipe and then figured out the criticality incredible (CI) limit so for a twelve-inch pipe it is 20 grams, which I hope to you guys seems like a small amount. So for a worst case scenario here is the pipe and let us say the detected would read the farthest away from that as we can possibly get it. It would read about 76,000 counts per second. So, what we do is set the actual level for 50,000 counts, which is below the 76,000 and go along the pipe at a speed of one foot per second and if they see anything above that 50,000 count they will mark the spot and bring in a second system and actually quantify. This is our work force and helps us figure out where the deposits are. Then we quantify that amount to see if we need to clean that pipe or if it is safe to leave it where it is. We do it weekly. Then we do quality checks while we are doing the measurements, so depending on what we are measuring and what it is being used for. We do something called a replica every 20 items. We take a measurement then after 20 items we take it again. If we do not get the same exact measurement, then if not it is considered bad and we must start all over. The 20 grams is not for the workers’ protection. They measure the pipe and they do not actually know that is 20 grams at the time they are taking the measurement. That material gets collected then dumped into a computer database, and then the spectrum gets analyzed by a separate specialist. Then they use all these calculations to come up with the gram

3.14.17 D&D/REMEDIATION SUMMARY

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Chartered as an EM Site Specific Advisory Board under the Federal Advisory Committee Act

2015 PIKE COUNTY CHAMBER OF COMMERCE ORGANIZATION OF THE YEAR

When you say clean it, what do you mean? If you find something and you have to clean it, is there check vales all through the system or how does that process work?

amount. It is not to protect them. The 20 grams is to know if that piece of pipe can stay or if we need to cut it out and clean it or dispose of it a different way. The clothes are to protect them from surface contamination. There are areas where they have to have protection on because they are coming in to areas with surfaces that can have contamination on it. That is what the suits are for. When they go in and out of the boundary, there is a piece of equipment there where they scan themselves or go into an automatic scanner. However, they remove the suits first; they do not scan until after they remove that clothing. They have to go to training to see how to take off the suits properly. Decontaminate it take the stuff out, put in a container, and are shipped off. It depends on the system that you are going into. So, you have radioactive and electrical, so we have a lockout/tagout program. You would lock a system out and try to take away some of those things like energy. There is a whole work control process that we use. We use planners and different types of subject matter experts to help plan that work so that we can protect the worker.

Cisco: Is that about the same thing as a geiger counter?

Dukes: A geiger counter is actually a type of detector, but it uses gas.

2. Miscellaneous: None

Cisco: Meeting adjourned

3. Action Items: None

Heatherly DukesNuclear Safety & Engineering DirectorFluor‐BWXT PortsmouthMarch 2017

Non‐Destructive Assay (NDA)

Portsmouth Site

NDA Uses At Portsmouth

• During production ‐ NDA used  for safeguards.  

• Safeguard measurements look for changes in activity and gross assessment of special nuclear material (SNM).

• Inventory captured as part of Nuclear Material Control & Accountability (NMC&A) program

• Categorized for Security Attractiveness

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View of Cell Floor Unit 33‐3 in X‐333

NDA Uses At Portsmouth, cont.

Currently also used for:• Transportation• Waste Disposal• Deactivation determinations for safe handling and criticality incredible determinations 

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View of X‐326 currently being deactivated

Current Project Need

X‐326 deactivation requires the facility to be “Criticality Incredible”(CI) to allow it to be taken Cold and Dark by Dec. 31, 2018• 1,130,500 items requiring in‐situ NDA on the Cell Floor• 131,341 items requiring in‐situ NDA the Operations Floor• 5,624 items/containers requiring ex‐situ NDA• ~300,000 items remaining to be NDA’d before CI

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Various Items Requiring NDA

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CompressorLine Recorder Duct

Quality System for Non‐Destructive Assay (QSNDA)

• Contractual requirement for high quality system for NDA characterization

• A quality system is a documented structure that assures a defined standard of quality in the planning, implementation, and verification/validation of a product or service compliant with the needs and requirements of the end‐user

• Requires generation of data of known, documented, and legally defensible quality – data can be independently reproduced

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NDA Synopsis

235U 238U

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Decay Schemes for U‐235 and U‐238

• Radioactive isotopes emit radiation as they decay and stabilize• For NDA, we measure gamma‐rays and neutrons and use different detectors to measure them

• Systems for measuring components (in‐situ and ex‐situ)and containers (ex‐situ)

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Non‐Destructive Assay Measurement Systems

High Purity Germaniumgamma gamma

electronhole

Gamma-ray creates electron hole pairs in germanium.

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The HPGe detector is a diode where current will flow when it is exposed to ionizing radiation. The magnitude of the current is proportional to the energy of the radiation. 

HPGe Converter Station

• A shielded HPGe detector (right of center) has been setup to measure the converter. 

• 2,360 converters measured for X‐326

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Solid‐fluorescent scintillation detector ((Sodium Iodide (NaI))

Gamma ray

Scintillationevent

Reflector housingFluorescent crystal NaI(Tl)

Photocathode

Photoelectrons

Dynodes

Photomultiplier tube base

Focus

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Sodium Iodide (NaI) Based Systems Used at Portsmouth

MCA with NaI Detector (HMS4)

E600 Scaler with 3X3 NaI Detector

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Quantitative Method Qualitative Method

NaI with Multi‐Channel Analyzer (HMS4)

NaI detector with MCA being used to collect and process gamma spectra

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Systematic Monitoring Approach

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Qualitative method utilizing a 3”x3” NaI Detector

NaI 3X3 Detector Scan 

Converter Station

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Neutron Detector

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3He Gas Filled Cylinder

0008

Bias‐ +

Neutron

Neutron Slab System

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Slab systems typically used to measure large, thick components

Compressor Station

Non‐destructive assay utilizing neutron slab detector –used to measure 4,698 large components

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Questions?

NDA Uses At Portsmouth