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Browning, L., W.M. Murphy, C. Manepally, and R. Fedors. "Reactive transport model for the ambient unsaturated hydrogeological system at Yucca Mountain, Nevada." Journal Computers & Geoscience. Vol. 29, No. 3. pp. 247–263. 2003.
Pabalan, R.T., D.D. Daruwalla, and R.T. Green. "Preliminary feasibility assessment of Edwards Aquifer saline water treatment and use." CNWRA–EAA–01. San Antonio, TX: Center for Nuclear Waste Regulatory Analyses. 2003. Zaidan, O.F., J.A. Greathouse, and R.T. Pabalan. "Monte Carlo and molecular dynamics simulation of uranyl adsorption on montmorillonite clay." Clays and Clay Minerals. Vol. 51. pp. 372–381. 2003.
Murphy, W.M., and D.A. Pickett. "Radioisotope fractionation and secular disequilibrium in performance assessment for geologic disposal of nuclear waste." Scientific Basis for Nuclear Waste Management XXV. B.P. McGrail and G.A. Cragnolino, eds. Symposium Proceedings 713.
Warrendale, PA: Materials Research Society. pp. 867–874. 2002.
Pabalan, R.T., L. Yang, and L. Browning. "Deliquescence behavior of multicomponent salts: Effects on the drip shield and waste package chemical environment of the proposed nuclear waste repository at Yucca Mountain, Nevada." Scientific Basis for Nuclear Waste Management
XXV. P. McGrail and G. Cragnolino, eds. Symposium Proceedings 713. Warrendale, PA: Materials Research Society. pp. 37–44. 2002.
Turner, D.R., F.P. Bertetti, and R.T. Pabalan. "The role of radionuclide sorption in high-level waste performance assessment: Approaches for the abstraction of detailed models." Soil Science Society of America Proceedings Volume: Soil Geochemical Processes of
Radionuclides. pp. 211–252. 2002.
Yang, L., R.T. Pabalan, and L. Browning. "Experimental determination of the deliquescence relative humidity and conductivity of multicomponent salt mixtures." Scientific Basis for Nuclear Waste Management XXV. P. McGrail and G. Cragnolino, eds. Symposium Proceedings 713.
Warrendale, PA: Materials Research Society. pp. 135–142. 2002.
Contardi, J.S., D.R. Turner, and T.M. Ahn. "Modeling colloid transport for performance assessment." Journal of Contaminant Hydrology. Vol. 47. pp. 323–333. 2001.
Pabalan, R.T., and F.P. Bertetti. "Cation-exchange properties of natural zeolites." D. Bish and D. Ming, eds. Reviews in Mineralogy and Geochemistry. Vol. 45. Washington, D.C.: Mineralogical Society of America. pp. 453–518. 2001.
Pabalan, R.T., V. Jain, R.F. Vance, S. Ioannidis, D.A. Pickett, C.S. Brazel,
J.T. Persyn, E.J. Taylor, and M.E. Inman. "Hanford Tank Waste Remediation System pretreatment chemistry and technology." NUREG/CR–6714. Washington, D.C.: U.S. Nuclear Regulatory Commission. 2001.
Pickett, D.A., and W.M. Murphy. "Uranium chemistry and isotropy in waters and rocks at Peña Blanca, Mexico." Eighth EC Natural Analogue Working Group Meeting—Proceedings, EUR 19118. H. von Maravic and W.R. Alexander, eds. Luxembourg, Belguim: European Commission. pp.
333–337. 2001. Prikryl, J.D., A. Jain, R.T. Pabalan, and D.R. Turner. "Uranium (VI) sorption behavior on mixed silicate minerals." Journal of Contaminant Hydrology. Vol. 47. pp. 241–253. 2001.
Reeder, R.J., M. Nugent, and R.T. Pabalan. "Local structure of uranium(VI) sorbed on clinoptilolite and montmorillonite." R. Cidu, ed. Water-Rock Interaction. Lisse, The Netherlands: A.A. Balkema Publishers. pp. 423–426. 2001.
Yang, L., R.T. Pabalan, and V. Jain. "PRETREAT: A graphical user interface-based spreadsheet model for Hanford tank waste pretreatment processes." Scientific Basis for Nuclear Waste Management XXIV. K.P. Hart and G.R. Lumpkin, eds. Symposium Proceedings 663. Warrendale,
PA: Materials Research Society. pp. 11–18. 2001.
Pabalan, R.T., L. Yang, and R. Young. "Preliminary chemical simulation of Hanford Tank Waste Remediation System pretreatment processes." San Antonio, TX: Center for Nuclear Waste Regulatory Analyses. 2000.
Prikryl, J.D., F.P. Bertetti, and R.T. Pabalan. "Effects of surfactant-modification on the sorption behavior of natural zeolites for strontium(2+) and uranium(6+)." Scientific Basis for Nuclear Waste Management XXIII. R. Smith and D. Shoesmith, eds. Symposium Proceedings
608. Warrendale, PA: Materials Research Society. pp. 281–286. 2000.
Pabalan, R.T., M.S. Jarzemba, D.A. Pickett, N. Sridhar, J. Weldy, C.S. Brazel,
J.T. Persyn, D.S. Moulton, J.P. Hsu, J. Erwin, T.A. Abrajano, Jr., and B. Li. "Hanford Tank Waste Remediation System high-level waste chemistry manual." NUREG/CR–5751. Washington, D.C.: U.S.
Nuclear Regulatory Commission. 1999.
Prikryl, J.D. and R.T. Pabalan. "Sorption of uranium(VI) and neptunium(V) on surfactant-modified natural zeolites." Scientific basis for nuclear waste management XXII. D. Wronkiewicz and J. Lee, eds. Symposium Proceedings 556. Warrendale, PA: Materials Research Society.
pp. 1,035–1,042. 1999.
Turner, D.R. and R.T. Pabalan. "Abstraction of mechanistic
sorption model results for performance assessment calculations at Yucca
Mountain, Nevada." Waste Management. Vol. 19. pp. 375–388. 1999.
Bertetti, F.P., R.T. Pabalan, and M.G. Almendarez. "Studies of neptuniumV sorption on quartz, clinoptilolite, montmorillonite, and a-alumina." Chapter 4 in E. Jenne, ed. Adsorption of Metals by Geomedia. San Diego, CA: Academic Press.
pp. 132–148. 1998.
Jain, V., and R.T. Pabalan. "Review of process safety issues relevant to vitrification of radioactive wastes." Proceedings of Waste Management '98, Published on CD ROM. Tucson, AR: Waste Management Symposia, Inc. 1998.
Pabalan, R.T., D.R. Turner, F.P. Bertetti, and J.D. Prikryl. 1998. "Uranium(VI) sorption onto selected mineral surfaces: Key geochemical parameters." Chapter 3. E. Jenne, ed. Adsorption of Metals by Geomedia. San Diego, CA: Academic Press. pp. 99–130. 1998.
Turner, D.R., R.T. Pabalan, and F.P. Bertetti. "Neptunium(V) sorption on montmorillonite: An experimental and surface complexation modeling study." Clays and Clay Minerals. Vol. 46. pp. 256–269. 1998.
Prikryl, J.D., D.A. Pickett, W.M. Murphy, and E.C. Pearcy. "Migration behavior of naturally occurring radionuclides at the Nopal I deposit, Chihuahua, Mexico." Journal of Contaminant Hydrology. Vol. 26. pp. 61–69. 1997.
Turner, D.R. and S.A. Sassman. "Approaches to sorption modeling for high-level waste performance assessment." Journal of Contaminant Hydrology. Vol. 21. pp. 311–332. 1996.
Pabalan, R.T. "Thermodynamics of ion-exchange between clinoptilolite and aqueous solutions of Na+/K+ and Na+/Ca2+." Geochim. Cosmochim. Acta. Vol. 58. pp. 4,573–4,590. 1994.
Murphy, W.M., R.T. Pabalan, J.D. Prikryl, and C.J. Goulet. "Dissolution rate and solubility of analcime at 25°C." Water-Rock Interaction. Y. Kharaka and A.S. Maest, eds. Rotterdam, The Netherlands: A. A. Balkema. pp. 107–110. 1992.
Pabalan, R.T., and K.S. Pitzer. "Mineral solubilities in electrolyte solutions." Chapter 7. Activity Coefficients in Electrolyte Solutions, 2nd Edition. K.S. Pitzer, ed. Boca Raton, FL: CRC Press. pp. 435–490. 1991.
Pabalan, R.T., and K.S. Pitzer. "Prediction of high-temperature thermodynamic properties of mixed electrolyte solutions including solubility equilibria, vapor pressure depression, and boiling point elevation." Proceedings, 1987 Symposium on Chemistry in High-Temperature
Water. R.M. Izatt, J.L. Oscarson, and G.C. Lindh, eds. EPRI NP–6005. Palo Alto, CA: Electric Power Research Institute. pp. D4F-1–D4F-13. 1990.
Pabalan, R.T., and K.S. Pitzer. "Thermodynamics of concentrated electrolyte mixtures and the prediction of mineral solubilities to high temperatures for mixtures in the system Na-K-Mg-Cl-SO4-OH-H2O." Geochim. Cosmochim. Acta. Vol. 51. pp. 2,429–2,443. 1987.
Top
Technical Papers Presented
Pickett, D.A., and W.M. Murphy. "Preferential radionuclide release due to alpha decay: Effects on repository performance." Spring 2004 Meeting of Materials Research Society. 2004.
Walter, G.R., R. Benke, and D. Pickett. "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. Phoenix, AR. 2004.
Pickett, D.A., and W.M. Dam. "Assessment of the potential effects of colloidal radionuclide transport on nuclear waste repository performance." Migration '03 Conference, Gyeongju, Korea. 2003.
Pabalan, R.T. "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. Thessaloniki, Greece: Aristotle University. 2002.
Prikryl, J.D., and W.M. Murphy. "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. 2001. Pickett, D.A., W.M. Murphy, and B.W. Leslie. "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. 2001.
Turner, D.R. "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.
Wettingen, Switzerland. 2001.
Turner, D.R. "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. Salt Lake City, UT. 1999.
Turner, D.R. and R.T. Pabalan. "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. Oxford, UK. 1997.
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, LA.
For more information about geochemistry and fluid flow and energy
exploration and development capabilities at SwRI or how you can contract with SwRI,
please contact
English
Pearcy, Ph.D. at
epearcy@swri.org or (210) 522-5540.
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