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Performance & Risk Assessment Community of Practice
(PRACOP)
Archival Repository
Department of Energy - Office of Environmental Management

2018 Technical Exchange – Risk-Informed Approach for Defining End State for Closure of Remediated Sites

The Performance & Risk Assessment (P&RA) Community of Practice (CoP) 2018 Annual Technical Exchange Meeting was held on October 30 – November 1, 2018 at the Applied Research Center, Savannah River National Laboratory, 301 Gateway Drive, Aiken, South Carolina 29803.

Interagency Steering Committee on Performance and Risk Assessment Community of Practice (P&RA CoP) Annual Technical Exchange Meeting

Final Agenda
Meeting Attendees
Biosketches of Speakers

Theme: Risk-Informed Approach for Defining End State for Closure of Remediated Sites

OCTOBER 30, 2018 (TUESDAY)
8:00 – 8:30 am Registration
8:30 – 8:35 am Opening Remarks, Ming Zhu (DOE EM) (Video)
8:35 – 8:55 am Host Remarks, Vahid Majidi (SRNL) and Tom Foster (SRR)

Keynote Speech:
8:55 – 9:45 am Priorities of the DOE Cleanup Program, Mike Budney (DOE SRS) (Video)
9:45 – 10:00 am Break

Session 1: End State and Site Closure
10:00 – 10:30 am Defining End State and Exit Strategy Approaches, Michael Truex (PNNL)  (Video)
10:30 – 11:00 am Independent Review of the Hanford C Tank Farm Performance Assessment for Waste-Incidental-to-Reprocessing Determination, Dave Esh (NRC) (Video)
11:00 – 11:30 am Lessons Learned from CERCLA 5-Year Reviews, Robert Pope and Jennifer Edwards (EPA)  (Video)
11:30 – 12:00 pm Summary of the NRC Radon Barriers Project Workshop, Mark Fuhrmann (NRC) (Video)
12:00 – 1:00 pm Catered Lunch
1:00 – 1:30 pm Sustainable Remediation Approaches Using a Common-Sense Approach to Enhanced Attenuation, Brian Looney (SRNL) (Video)
1:30 – 2:00 pm P&RA CoP Position Paper on Managing Uncertainties for Site Closure Activities, Roger Seitz (SRNL Retired)  (Video)
2:00 – 2:45 pm Panel Discussion, Michael Truex (PNNL), Dave Esh (NRC), Mark Fuhrmann (NRC), Robert Pope (EPA), Brian Looney (SRNL), Roger Seitz (SRNL Retired), and Ed Winner (KY)  (Video)

Session 2: New Approaches and Methodologies
2:45 – 3:15 pm Applications of the EPA Leaching Environmental Assessment Framework (LEAF) to Low Activity Waste Glass, David Kosson (Vanderbilt Univ./CRESP)  (Video)
3:15 – 3:30 pm Break
3:30 – 4:00 pm Geochemical Modeling of Radionuclide Mobility in Natural and Engineered Systems, Brian Powell (Clemson/SRNL) (Video)
4:00 – 4:30 pm Comparison of Probabilistic Sensitivity Analysis Methods Applied to a 3-D Reference Case Performance Assessment Dataset from GDSA Framework, Emily Stein (SNL) (Video)
4:30 – 5:00 pm P&RA CoP Position Paper on Scaling Considerations for Performance Assessments, Paul Black (Neptune) (Video)
5:00 – 5:30 pm Panel Discussion, David Kosson (Vanderbilt Univ./CRESP), Brian Powell (Clemson/SRNL), Emily Stein (SNL), and Paul Black (Neptune) (Video)
6:30 pm Group Dinner at Mellow Mushroom (151 Bee Ln, Aiken, SC 29801) (Optional)

OCTOBER 31, 2018 (WEDNESDAY)

Session 3: Evaluation of Emergency Situations
8:30 – 9:00 am Atmospheric Modeling in support of the Hanford Plutonium Finishing Plant Contamination Investigation, Bruce Napier (PNNL)  (Video)
9:00 – 9:30 am Waste Estimation Support Tool (WEST): A Tool for Estimating the Volume and Radioactivity Levels of Waste Generated by a Radiological Incident, Paul Lemieux (EPA) (Video)

Session 4: Program and Project Updates
9:30 – 10:00 pm Performance Assessment and Aging of Concrete Vaults, Kevin Brown (Vanderbilt Univ./CRESP) (Video)
10:00 – 10:15 am Break
10:15 – 10:45 am Streamlining Modeling Workflow Using ASCEM (Akuna), Vicky Freedman (PNNL) (Video)
10:45 – 11:15 am Savannah River Site General Separations Area Model Update, Greg Flach (SRNL) (Video)
11:15 – 11:45 am Revision of the SRS Saltstone Performance Assessment, Steve Hommel (SRR) (Video)
11:45 – 12:45 pm Catered Lunch
12:45 – 1:15 pm Determining the Release of Radionuclides from SRS Tanks 18F and 12H Waste Residual Solids Following Tank Closure, Bill King (SRNL) (Video)
1:15 – 1:45 pm Verification of PFLOTRAN for WIPP Performance Assessment, Emily Stein (SNL) (Video)
1:45 – 2:15 pm Performance Assessment Results for the Hanford Integrated Disposal Facility, Pat Lee (ORANO) and Gary Pyles (DOE ORP) (Video)
2:15 – 2:45 pm Update of the Hanford Sitewide Composite Analysis for the Central Plateau, Will Nichols (INTERA) and Doug Hildebrand (DOE RL) (Video)
2:45 – 3:00 pm Independent reviews of Hanford Performance Assessments: Washington State’s Perspectives, Dib Goswami and Jerry Yokel (WA Ecology) (Video)
3:00 – 3:15 pm Tennessee’s Perspective Regarding Onsite Disposal of CERCLA Waste in Oak Ridge, Brad Stephenson (TN Dept. of Environment & Conservation) (Video)
3:15 – 3:30 pm Break

Session 5: Discussion

3:30– 4:30 pm Discussion, All Participants
4:30 –4:45 pm Summary and Future Activities, Ming Zhu (DOE EM)

NOVEMBER 1, 2018 (THURSDAY)

Savannah River Site Field Trip (Optional)
Hosts: Greg Flach (SRNL), Kent Rosenberger (SRR).
8:00 – 9:00 am Badging at the Savannah River Site Badging Office.
[Input 33.3444, -81.7412 (33°20’39.84″, -81°44’28.32″) into your GPS]
9:00 – 9:30 am Travel
9:30 – 11:00 am Defense Waste Processing Facility (vitrification plant)
11:00 – 11:15 am Travel
11:15 am – 12:15 pm Lunch at 766-H Cafeteria
12:15 – 12:30 pm Travel
12:30 – 1:30 pm Saltstone Disposal Facility
1:30 – 1:45 pm Travel
1:45 – 2:00 pm H-Area Tank Farm (liquid waste tank closures)
2:00 – 2:15 pm Travel
2:15 – 3:00 pm E-Area Solid Waste Disposal Facility (low-level waste disposal)
3:00 – 3:30 pm Travel
3:30 pm Badging Office

Technical Exchange Meeting – Risk-Informed Approach for Defining End State for Closure of Remediated Sites (Video Playlist)