PNNL

Researchers from Pacific Northwest National Laboratory (PNNL) will be among the 400 scientists from 35 countries at the MARC XII Conference in Kona, Hawaii, April 3–8, 2022, for presentations and discussion on the latest advances in radioanalytical chemistry and its applications. The conference features oral presentations, poster sessions, and networking events. MARC XII is sponsored by the American Nuclear Society. Several scientists from PNNL are participating in MARC XII as presenters, organizers, and attendees. 

MARC XII Program | MARC XII Book of Abstracts

PNNL submitted over 50 abstracts for the conference. Navigate below to get a complete rundown of PNNL's presence at MARC:

Presenters

Panel

Oral Sessions

Posters

Organizers

PNNL Presenters/Attendees

Panel

Monday, April 4

Panel: Nuclear Test Monitoring

PNNL researchers: Harry Miley (moderator), Ted Bowyer
Monday, 5:30–8:00 p.m. 

Oral Sessions

Monday, April 4

Improvements to Liquid Scintillator Background Contributions for Ultra-Low Background Liquid Scintillator Counting

PNNL researchers: Stephanie Lyons (presenter), Isaac Arnquist, Henning Back, Mary Bliss, Maria Laura di Vacri, Ellen Edwards, Brianne Hackett, Eric Hoppe, Nicole Rocco, Allen Seifert
Monday, 1:00–1:30 p.m.(Session C)

EXERCISE CELESTIAL SKÓNIS: A READOUT FROM THE SIXTH AND LARGEST MATERIALS EXERCISE OF THE NUCLEAR FORENSICS INTERNATIONAL TECHNICAL WORKING GROUP (ITWG)

PNNL researchers: Jon Schwantes (presenter), Jordan Corbey
Monday, 2:30–2:50 p.m. (Session B)

Np-237 FISSION PRODUCT YIELDS INDUCED FROM THE GODIVA IV CRITICAL ASSEMBLY

PNNL researchers: Bruce Pierson, Lawrence Greenwood
Monday, 2:50–3:10 p.m. (Session E)

Tuesday, April 5

Development of Engineered, Nano-Porous Ion Emitters (Nano-PIES) for Actinide Analysis by TIMS

PNNL researchers: Kelly McHugh (presenter), Kyle Makovsky, Dushyant Barpaga, Eirik Krogstad, Christopher Brown
Tuesday, 8:40–9:00 a.m. (Session F)

SYNTHESIS AND TESTING OF FUNCTIONALIZED CLAY MATERIAL FOR THE SEQUESTRATION OF TECHNETIUM

PNNL researchers: Carolyn Pearce, Jim Szecsody
Tuesday, 10:40–11:00 a.m. (Session G)

Separation of Select Transition Metals from a Mixed Activation and Fission Product Sample

PNNL researchers: Chelsie Beck (presenter), Staci Herman, Evan Warzecha, Hilary Emerson, Riane Stene, Morgan Haney, Lori Metz
Tuesday, 1:40–2:00 p.m. (Session H)

Sequential Separation Scheme for Refractory Activation Products

PNNL researchers: Chelsie Beck (presenter), Staci Herman, Evan Warzecha, Riane Stene, Hilary Emerson, Morgan Haney, Lori Metz
Tuesday, 2:00–2:20 p.m. (Session H)

RADON-PROGENY BLIND TRACE ACTINIDE IN AIR ALPHA SPECTROSCOPY WITH TMFD SENSORS

PNNL researcher: Brian Archambault
Tuesday, 2:10-2:30 p.m. (Session I)

HYBRID MASS-ALPHA SPECTROMETRY -TRACE LEVEL UNDER 10 keV ACTINIDES IN FLUID IDENTIFICATION WITH TMFD SENSOR TECHNOLOGY 

PNNL researcher: Brian Archambault
Tuesday, 2:30–2:50 p.m. (Session I)

Evaluating the QQQ-ICP-MS for Understanding Actinide Reactivity

PNNL researchers: Chelsie Beck (presenter), Amanda French, Kali Melby, Isaac Arnquist, Greg Eiden, Brienne Seiner, Khadouja Harouaka
Tuesday, 2:30–2:50 p.m. (Session F)

Physicochemical Properties for Vapor Transport Through Geologic Materials

PNNL researchers: Michael Foxe (presenter), Elizabeth H. Denis, Guohui Wang, Anjelica Bautista, Nicholas L. Huggett, Mark L. Rockhold, Carlos G. Fraga, April J. Carman
Tuesday, 2:30–2:50 p.m. (Session G)

Wednesday, April 6

Xenon International Testing Operations

PNNL researchers: James Hayes, Mark Panisko, Matthew Cooper, Warren Harper, Michael F. Mayer, Michael Foxe, James H. Ely
Wednesday, 9:00–9:20 a.m. (Session J)

MACHINE LEARNING APPLICATIONS IN THE CHARACTERIZATION OF RADIOXENON SIGNATURES

PNNL researcher: J.R. Powers-Luhn
Wednesday, 9:20–9:40 a.m. (Session J)

RADIOKRYPTON AND RADIOXENON DIFFUSION IN SILICATE AND SODIUM CHLORIDE MEDIA

PNNL researcher: Justin Lowrey
Wednesday, 9:40–10:00 a.m. (Session J)

Environmental Observation of Nonstandard Radioxenons

PNNL researchers: Michael Mayer (presenter), Matthew Cooper, James Ely, Paul Eslinger, Michael Foxe, James Hayes, Justin McIntyre, Ted Bowyer, Mark Panisko
Wednesday, 10:20–10:40 a.m.(Session J)

IMPACT OF A SILICON BETA CELL ON RADIOXENON SOURCE IDENTIFICATION 

PNNL researchers: Michael Foxe (presenter), Michael Mayer, Johnathan Slack, Eric Becker, Alex Couture, Thomas Hallen, Mike Ripplinger, James Hayes
Wednesday, 10:40-11 a.m. (Session J)

New Method of Calculating Interference Ratios and Including Metastables in Radioxenon Analysis

PNNL researchers: Michael Foxe (presenter), Brittany Abromeit, James Ely, Matthew Cooper, James Hayes, Daniel Keller, Michael Mayer, Johnathan Slack, Thomas Suckow , Ryan Wilson
Wednesday, 11:20–11:40 a.m. (Session J)

Improving the Detection Sensitivity of the Next Generation of Radionuclide Aerosol Sampler/Analyzer Air Sampler

PNNL researchers: Ryan O’Mara (presenter), Jonathan Burnett, Harry Miley, Al Myers, Manish Sharma
Wednesday, 2:10–2:30 p.m. (Session J)

Radiochemical Separations and Yield Measurements for ShortLived Natural Thorium Fission Products

PNNL researchers: Bruce Pierson, Stephanie Lyons
Wednesday, 1:50–2:00 p.m. (Session J)

DIRECT SYNTHESIS METHODS FOR SURROGATE ENVIRONMENTAL SWIPE SAMPLES TO SUPPORT NUCLEAR SAFEGUARDS TREATY MONITORING ACTIVITIES

PNNL researchers: Katherine Koh, Riane E. Stene, Timothy R. Pope, Stephan Vogt, Christopher A. Barrett
Wednesday, 2:30–2:50 p.m. (Session J)

Thermophysical Properties of Binary CL Compositions for Next Generation Molten Salt Reactors

PNNL researchers: Jason Lonergan (presenter), Richard Clark, Bruce McNamara, Patricia Paviet
Wednesday, 1:00–1:30 p.m.. (Session M)

Thursday, April 7

Ultra-Sensitive Gamma Spectrometry Measurements Using the Advanced Radionuclide Gamma Spectrometer (ARGO) Systems

PNNL researchers: Ryan O’Mara (presenter), Jonathan Burnett, Al Myers, Manish Sharma
Thursday, 9:00–9:20 a.m. (Session P)

Background Measurements of Ar-37 Samples Using the Argon-37 Field System

​​PNNL researchers: James Hayes, Bradley Fritz, Lance Lidey, Christine Johnson, Thomas Alexander, Emily Mace, Vincent Woods
Thursday, 11:00–11:30 a.m. (Session Q)

Alpha/Beta Gated Gamma-Gamma Spectroscopy of Mixed Fission Products for Trace Analysis

PNNL researchers: Brian Archambault (presenter), Bruce Pierson, Alex Hagen, Lawrence Greenwood, Mike Cantaloub, Staci Herman, Morgan Haney, Jane Estrada, James Bowen, Nic Uhnak
Thursday, 2:00–2:20 p.m. (Session P)

Development of a Technical Data Center for the Processing and Analysis of Environmental Radioactivity Measurements

PNNL researchers: Ryan O'Mara (presenter), Jonathan Burnett
Thursday, 1:00–1:30 p.m. (Session Q)

NBL Program Office Nuclear Reference Materials Plans

PNNL researcher: Mark Englemann
Thursday, 1:00–1:20 p.m. (Session T)

Friday, April 8

INTEGRAL FISSION PRODUCT CHAIN YIELD MEASUREMENTS AT NCERC

PNNL researchers: Nic Uhnak, Morgan Haney, Bruce Pierson, Lawrence Greenwood, Judah Friese, Lori Metz
Friday, 8:10–8:40 a.m. (Session U)

CORRELATING EFFECTS OF ROCK DAMAGE FROM UNDERGROUND CHEMICAL EXPLOSIVES WITH NATURAL RADON GAS BACKGROUNDS

PNNL researchers: Christine Johnson (presenter), Justin Lowrey, Xiao Luo, Hunter Knox, James Knox, Benjamin Roberts, Mark Rockhold, Khiloni Shah, Christopher Strickland
Friday, 9:00–9:20 a.m. (Session X)

SYNCHROTRON X-RAY FLUORESCENCE AND TRANSMISSION IMAGING FOR NUCLEAR SAFEGUARDS

PNNL researchers: Jesse Ward, Micah Miller, Andrew Duffin
Friday, 9:20 a.m.–9:40 a.m. (Session V)

PRODUCTION OF ACTIVATION SPECIES AT NCERC AND INVESTIGATION OF THE 9Be(n,g) 10Be INTEGRAL CROSS SECTION

PNNL researcher: Bruce Pierson
Friday, 9:40–10:00 a.m. (Session U)

Assessing Xe-133 Gas Transport in Shallow Alluvium

PNNL researchers: Christine Johnson (presenter), Michael Mayer, Justin Lowrey, Khiloni Shah, Dustin Clelland, Jim Fast, Brad Fritz, Xiao Luo, Justin McIntyre, Mark Rockhold, Signe White
Friday, 9:40–10:00 a.m. (Session X)

Variability of Argon Emanation Rates and Relevance to Predictions of Natural Argon Gas Background in the Subsurface

PNNL researchers: Christine Johnson (presenter), Justin Lowrey
10:20–10:40 a.m.

Poster Sessions

Session A, Monday, 3:30–5:30 p.m.

• ESTABLISHING CAPABILITIES FOR MOLTEN SALT RESEARCH USING THE SODIUM-POTASSIUM CHLORIDE SYSTEM. PNNL researchers: Michaella Swinhart, Jason Lonergan
• LARGE DYNAMIC RANGE MEASUREMENTS VIA SIMS AND TIMS. PNNL researchers: Heather Cunningham, Mindy Zimmer, Norbert Gajos, Kellen Springer, Adam Denny, James Bowen, Natalie Sievers, April Carman 
• PNNL SUPPORT FOR NNSA'S Mo-99 CONVERSION PROGRAM. PNNL researchers: James Bowen, James Hayes, Andrew Ritzmann, Vincent Woods, Brad Fritz, Leah Arrigo, Paul Humble, Brandy Gartman, Dallas Reilly

Session B, Tuesday, 3:30–5:30 p.m.

• DESIGN FOR LONG-TERM DETECTOR BACKGROUND MEASUREMENTS FOR GAS DETECTOR SYSTEMS. PNNL researchers: Rose Perea, Matthew Cooper, Michael Mayer, Jennifer Mendez, Johnathan Slack, Michael Foxe
• RADON QUANTIFICATION AND REJECTION LEVEL DETERMINATION. PNNL researchers: Michael Mayer, Matthew Cooper, James Ely, James Hayes, Michael Foxe
• EVALUATION OF TWO AG1 - X8 COLUMNS FOR RAPID SEPARATION OF MULTIPLE RADIONUCLIDES. PNNL researchers: Staci Herman, Leah M. Arrigo, Ean Arnold, Morgan M. Haney, Lindsay Irwin, Bethany Lawler, Chelsie Beck 
• THE IMPACT OF SILVER ON THE ANALYSIS OF URANIUM BY KINETIC PHOSPHORESCENCE ANALYSIS. PNNL researchers: Ean Arnold, Nic Uhnak, Lori Metz, Chelsie Beck

Session C, Wednesday, 3:30–5:30 p.m.

• ENHANCING SENSITIVITY AND SELECTIVITY TO METASTABLE NUCLEAR ISOMERS IN MIXED FISSION PRODUCTS USING TEMPORAL LSCGATED HPGE GAMMA SPECTROMETRY.  PNNL researchers: Brian Archambault, Bruce Pierson, Brienne Seiner, Jane Estrada, Lori Metz, Judah Friese
• HUNTING FOR NEW ELEMENTAL SIGNATURES FROM UNDERGROUND NUCLEAR EXPLOSIONS ON THE BENCHTOP. PNNL researchers: Christine M. Johnson, Martin Liezers, April Carman 
• IMPROVING HIGH THROUGHPUT GAMMA SPECTROMETRY ANALYSIS BY IDENTIFYING PROBLEMATIC SPECTRA USING MACHINE LEARNING. PNNL researchers: Ted Bowyer, Judah Friese, Lori Metz
• SEPARATION OF URANIUM FROM THORIUM IN SUPPORT OF PARTICLE REFERENCE MATERIAL PRODUCTION. PNNL researchers: Chelsie L. Beck, Ean S. Arnold, Evan J. Warzecha, Katherine Koh, Riane E. Stene, Timothy R. Pope, Neil Henson, Stephan Vogt, Christopher A. Barrett
• MAPPING URANIUM ISOTOPIC CONTENT AT THE NANOSCALE IN A NON-UNIFORM FUEL PELLET USING EXTREME ULTRAVIOLET LASER ABLATION MASS SPECTROMETRY. PNNL researchers: John Cliff, Dallas Reilly, Andrew Duffin

Session D, Thursday, 3:30–5:30 p.m.

• NETWORK OPTIMIZATION FOR TREATY MONITORING. PNNL researchers: Paul Eslinger, Harry Miley, Brian Schrom
• COMBINING AEROSOL AND NOBLE GAS SAMPLES IN SOURCELOCATION ANALYSES. PNNL researchers: Paul Eslinger, Harry Miley, Brian Schrom
• THE USE OF INTERNATIONAL MONITORING SYSTEM STATIONS TO DETECT EVIDENCE OF SEISMIC EVENTS THROUGH THE DISPLACEMENT OF NATURAL RADON ISOTOPES. PNNL researchers: Jonathan Burnett, Ryan O'Mara
• COMPARISON OF RADIOXENON ANALYSIS ALGORITHM RESULTS. PNNL researchers: Matthew Cooper, Brittany Abromeit, James Ely, Warren Harper, John Hayes, Michael Mayer, Mark Panisko, Michael Foxe, Johnathan Slack
• METHODS OF UTILIZING RADIOXENON STATIONS AND LABORATORIES FOR NUCLEAR EXPLOSION MONITORING. PNNL researchers: Michael Foxe (presenter), Michael Mayer, Jennifer Mendez, Johnathan Slack, Theodore Bowyer, Matt Cooper, Ian Cameron, James Hayes, Rose Perea
• ANALYSIS UPDATES UTILIZED FOR A SILICON BETA CELL FOR RADIOXENON DETECTION. PNNL researchers: Johnathan Slack, Michael Foxe, Michael Mayer
• AN OVERVIEW OF SIMULATED RADIONUCLIDE RELEASE SIGNATURES FROM A TYPICAL MODERN MEDICAL ISOTOPE PRODUCTION FACILITY. PNNL researchers: Justin Lowrey, Christine Johnson, Jacob Inman, Judah Friese, Harry Miley
• DIFFERENTIAL ADVECTIVE TRANSPORT OF VARIOUS NOBLE GASES THROUGH CONSOLIDATED ROCK CORES. PNNL researchers: Tara Scarborough, Justin Lowrey, Mark Rockhold, Tom Wietsma, Christine Johnson
• RADIONUCLIDE SIGNATURES FROM COMPLEX RELEASES OF VENTED FISSION PRODUCTS: PNNL researchers: Justin Lowrey, Christine Johnson, James Ely
• QUANTIFYING THE POTENTIAL ARGON DETECTION CAPABILITIES FOR NUCLEAR EXPLOSION MONITORING. PNNL researchers: Eslinger, James Ely, Harry Miley, Ted Bowyer
• NON-RADIOACTIVE FISSION GAS ANALYSIS FROM HIGHLY IRRADIATED UO2 FUEL . PNNL researchers: Mark D. Engelmann, Martin Liezers, April Carman, Connor Hilton, Dallas Reilly, Joshua Feldman, Kellen Springer, Greg Eiden

MARC Conference Organizers

PNNL Staff on  Organizing Committee:

• Harry Miley, Publicity Chair
• Jonathan Burnett, Assistant Publicity Chair
• James Bowen, Student Coordination Chair

PNNL Staff on Technical Program Committee:

• Craig Aalseth
• James Bowen
• Elise Conte
• Matthew Douglas
• Judah Friese
• Kelly McHugh
• Harry Miley
• Robert Runkle