Geochemistry

Technical Papers Presented

For information on the papers listed, write Communications.

2007

Barr, C.S., X. Yin, L.W. Camper, A.R. Whited, C.L. Dinwiddie, L.D. Howard, R.T. Pabalan, and D. Pickett. 2007. U.S. Nuclear Regulatory Commission Review of U.S. Department of Energy Non-High Level Waste Determination for Idaho National Laboratory Tank Farm Facility. 33rd Waste Management Conference (WM’07). February 25-March 1, 2007, Tucson, Arizona.

Pensado, O. and R. Pabalan. 2007. Understanding Conditions for Localized Corrosion and Stress Corrosion Cracking of Alloy 22 in Repository Settings. 3rd International Workshop on Long-Term Prediction of Corrosion Damage in Nuclear Waste Systems, May 14-18, 2007, State College, Pennsylvania.

Shukla, P., X. He, L. Yang, R. Pabalan, and T. Ahn. 2007. Cathodic Capacity of Alloy 22 in Dust Deliquescence Brines. Materials Science and Technology 2007 Conference. September 16-20, 2007, Detroit, Michigan.

2006

Dunn, D.S., Y.-M. Pan, X. He, L.T. Yang, and R.T. Pabalan. 2006. Evolution of Chemistry and Its Effects on the Corrosion of Engineered Barrier Materials. Materials Research Society Symposium on the Scientific Basis for Nuclear Waste Management XXX. Boston, Massachusetts, November 27December 1, 2006.

Juckett, M. “Deliquescence Behavior of Salts Deposited Inside the Drifts of a Potential High-Level Waste Repository” Presentation at Goldschmidt Geochemistry Conference in August, 2006, Melbourne, Australia.

Manepally, C., R. Green, D. Dunn, R. Pabalan, and Y.-M. Pan. 2006. Evolution of Thermohydrology and Its Effects on Chemistry and Corrosion of Engineered Barrier Materials. 2006 American Geophysical Union Fall Meeting. December 11–15, 2006. San Francisco, California.

Pabalan, R.T. 2006. Chemistry of Water Contacting Engineered Barriers. Nuclear Waste Technical Review Board Workshop on Localized Corrosion of Alloy 22 in Yucca Mountain Environments. September 25–26, 2006, Las Vegas, Nevada. http://www.nwtrb.gov/meetings/2006/sept/pabalan.pdf.

Pabalan, R.T. 2006. Discovering the Properties of Natural Zeolites: Ion Exchange. 7th International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites. July 16–21, 2006. Socorro, New Mexico.

Pabalan, R.T. and F.P. Bertetti. 2006. Experimental and Thermodynamic Modeling Study of Multicomponent Ion-Exchange of Alkali and Alkaline-Earth Metals in Clinoptilolite. 7th International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites. July 16–21, 2006. Socorro, New Mexico.

Painter, S.L. and V. Cvetkovic. 2006. Effect of Kinetic Limitations on Colloid-Facilitated Radionuclide Transport at the Field Scale. In Proceedings of the International High-Level Radioactive Waste Management Conference, Las Vegas, NV, April 30–May 2.

Painter, S.L., O. Pensado, and V. Cvetkovic. 2006. Time-Domain Random Walk Methods for Radionuclide Transport. In Proceedings of the International High-Level Radioactive Waste Management Conference, Las Vegas, NV, April 30–May 2.

Painter, S.L., V. Cvetkovic, J.W. Mancillas, and O. Pensado. 2006. Multiscale Particle Based Method for Simulating Transport in Fractured Rock. Geological Society of America Annual Meeting, Philadelphia, PA, October 22–25. Abstract 102–11.

Painter, S.L., V. Cvetkovic, J.W. Mancillas, and J.O. Selroos. 2006. Method for Efficient Simulation of Radionuclide Transport in Discrete Fracture Networks. Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract H11H–07.

Shukla, P., R. Pabalan, S. Agarwal, A. Jain, and R. Narayanan. 2006. Flow of In-Drift Water Through Stress Corrosion Cracks. American Geophysical Union 2006 Fall Conference, San Francisco, California, December 1115, 2006.

Yang, L., R. Pabalan, D. Dunn, and A. Csontos. 2006. Characterization of the Chemistry of NaCI-NaNO3-KNO3 Mixtures at Elevated Temperatures. Materials Research Society Symposium on the Scientific Basis for Nuclear Waste Management XXX. Boston, Massachusetts, November 27December 1, 2006.

2005

Ahn, T., R. Pabalan, V. Jain, and L. Yang. 2005. Thermodynamic Simulation of Brine Chemistry on Repository High-Level Waste. American Nuclear Society Transactions 93, pp. 729-730.

Dunn, D.S., N. Sridhar, K.T. Price, M.A. Miller, R.T. Pabalan, and A. Abrajano. 2005. Development of a Surface Enhanced Raman Spectroscopy Technique for Identification of Biomarkers on Mars. Geological Society of American Annual Meeting. October 16–19, 2005. Salt Lake City, Utah.

Miller, M.A., N. Sridhar, D.S. Dunn, K.T. Price, R.T. Pabalan, J.B. Campbell, T.L. Booker, S.M. Chapa, and T.A. Abrajano. 2005. Development of a Surface Enhanced Raman Spectroscopy Technique for the Identification of Biomarkers on Mars. 32nd Federation of Analytical Chemistry and Spectroscopy Societies Meeting. October 9 to 13, 2005. Quebec City, Canada.

Pabalan, R. 2005. Thermodynamic Modeling of the In-Drift Chemical Environment of a Potential High-Level Nuclear Waste Repository Using OLI Software. 23rd OLI Users Conference, October 5 to 6, 2005, Parsippany, New Jersey.

Juckett, M., R. Pabalan, and L. Yang. 2005. Experimental Determination and Thermodynamic Calculation of the Deliquescence Relative Humidity of Multicomponent Salt Mixtures. Symposium on the Scientific Basis for Nuclear Waste Management XXIX. September 12 to 16, 2005. Ghent, Belgium.

Juckett, M., L. Yang, and R. Pabalan. 2005. Deliquescence Relative Humidity and Characterization of Dusts from the Vicinity of Yucca Mountain, Nevada. 15th Annual Goldschmidt Conference, May 20 to 25, 2005, Moscow, Idaho.

W.M. Murphy, J.D. Prikryl, and D.A. Pickett.  Thermodynamics of hydrothermal uranyl mineral formation at Nopal I.  Presented at the 2005 Annual Meeting of the Geological Society of America.  Salt Lake City, Utah, October 16-19, 2005.

Pensado, O., R. Pabalan, D. Dunn, and K.-T. Chang. 2005. Use of Alloy 22 as Long-Term Radioactive Waste Containment Material. 9th International Symposium on the Passivation of Metals and Semiconductors and the Properties of Thin Oxides. June 27-July 1, 2005, Paris, France.

Sridhar, N., D.S. Dunn, K. T. Price, M.A. Miller, R.T. Pabalan and T.A. Abrajano. 2005. Development of a Surface Enhanced Raman Spectroscopy Technique for Identification of Biomarkers on Mars. 36th Lunar and Planetary Science Conference. March 14 to 18, 2005. League City, Texas.

D.R. Turner, R.T. Pabalan, and F.P. Bertetti. 2005. Developing Thermodynamic Radionuclide Sorption Models: Experimental and Modeling Results. Nuclear Energy Agency Workshop on Radionuclide Sorption. October 10–11, 2005. Paris, France.

D.R. Turner, F.P. Bertetti, J. McMurry, and R.T. Pabalan. 2005. Applying Thermodynamic Radionuclide Sorption Models to Performance Assessment. Nuclear Energy Agency Workshop on Radionuclide Sorption. October 10–11, 2005. Paris, France.

2004

Pickett, D.A., and W.M. Murphy. 2004. Preferential radionuclide release due to alpha decay: Effects on repository performance. Spring 2004 Meeting of Materials Research Society.

Walter, G.R., R. Benke, and D. Pickett. 2004. Potential exposures to radionuclides originating from Technologically Enhanced Naturally Occurring Radioactive Materials emitted by landfill gas extraction and control systems. WASTECON 2004. Solid Waste Association of North America. September 21-23, 2004. Phoenix, Arizona.

2003

Browning, L., W.M. Murphy, C. Manepally, and R. Fedors. 2003. Reactive Transport Simulations of Alternative Flow Pathways in the Ambient Unsaturated Zone at Yucca Mountain, Nevada. Geophysical Research Abstracts, 5, 04741, European Geophysical Society, Nice, France, April 4–13.

Browning, L., W.M. Murphy, C. Manepally, and R. Fedors. 2003. Effects of Alternate Flow Pathways on Water Chemistries in Reactive Transport Simulations of the Ambient Unsaturated Zone at Yucca Mountain, Nevada. Devil's Hole Workshop, Death Valley, CA, May 21–23.

Browning, L., W.M. Murphy, C. Manepally, and R. Fedors. 2003. Reactive Transport Model for Fracture and Matrix Geochemistry at Yucca Mountain, Nevada. Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract H21D–0835.

Pickett, D.A., and W.M. Dam. 2003. Assessment of the potential effects of colloidal radionuclide transport on nuclear waste repository performance. Migration '03 conference, Gyeongju, Korea.

2002

Browning, L., W.M. Murphy, C. Manepally, R. Fedors, and D. Hughson. 2002. Conceptualization and Calibration of a One Dimensional Reactive Transport Model of the Ambient Unsaturated Zone Hydrochemical System at Yucca Mountain, Nevada. Eos Trans. AGU, 83(47), Fall Meet. Suppl., Abstract H62B-0849.

Pabalan, R.T. 2002. Natural zeolites in nuclear waste management. (Invited Paper) 6th International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites (Zeolite '02), June 3–7, 2002. Thessaloniki, Greece: Aristotle University.

2001

Pickett, D.A., W.M. Murphy, and B.W. Leslie. 2001. 238U-234U-230Th ages of secondary deposits and evidence on the rate of recent radionuclide migration at the Nopal I natural analog. Migration '01 Conference, Bregenz, Austria.

Prikryl, J.D., and W.M. Murphy. 2001. The solubility of uranophane under oxidizing conditions in CaCl2 and SiO2(aq) test solutions. 8th International Conference on the Chemistry and Migration Behavior of Actinides and Fission Products in the Geosphere, Migration '01, Bregenz, Austria, September 16–21, 2001.

Turner, D.R. 2001. Radionuclide Sorption: Abstracting information from detailed models for High-Level Nuclear Waste Performance Assessment. Invited Presentation. Nationale Genossenschaft fur die Lagerung Radioaktiver Abfalle (NAGRA) Geochemistry Workshop, October 28-30, 2001. Wettingen, Switzerland.

Woolhiser, D.A., R.W. Fedors, and S.A. Stothoff. 2001. Effects of Topography and Soil Depth on Focused Infiltration: Upper Split Wash Watershed, Nevada. Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract H41G–11.

1999

Turner, D.R. 1999. The role of radionuclide sorption in high level waste performance assessment: Approaches for the abstraction of detailed models. Invited Presentation. Soil Science Society of America Annual Meeting, October 31-November 4, 1999. Salt Lake City, UT.

1997

Turner, D.R. and R.T. Pabalan. 1997. Sorption modeling for performance assessment at the Center for Nuclear Waste Regulatory Analyses. Invited Presentation. Nuclear Energy Agency International Meeting on Chemical Modelling of Sorption, May 6-8, 1997. Oxford, UK.

1995

Prikryl, J.D., D.A. Pickett, and E.C. Pearcy. 1995. Evidence for uranium mobilization and retention on Fe-oxides/hydroxides at the Nopal I uranium deposit, Chihuahua, Mexico. Proceedings of the Geological Society of America Annual Meeting, New Orleans, Louisiana.

Geochemistry
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