Geochemistry Department Staff

Patrick V. Brady

Vita Patrick V. Brady graduated from the University of California at Berkeley in 1984 with a BS in Geology, and received his MS and Ph. D. degrees from Northwestern University in 1987 and 1989 with a study of silicate mineral surface chemistry and kinetics. He spent 1990 at the Swiss Federal Institute of Water Resources and Water Pollution Control (ETH-EAWAG) examining the link between weathering and global climate. He spent two years as an assistant professor in the Geology Department of Southern Methodist University in Dallas, Texas (1991-1993) prior to joining the Geochemistry Department at Sandia National Laboratories. He is also an Adjunct Professor of Environmental Engineering at New Mexico Technical Institute where he lectures on environmental subjects. His research interests are natural attenuation of soil contaminants, mineral surface chemistry, geochemical kinetics, water treatment, and global climate change.

He has edited one book on mineral surface chemistry, and written another on natural attenuation of soil contaminants. He was the technical lead for the Sandia Natural Attenuation Project, helped develop DOE site-wide guidelines for implementation of monitored natural attenuation, and reviews DOE site cleanups. He presently works for the waste package operations office of the Yucca Mtn. Project. He has served as guest editor for Geochimica et Cosmochimica Acta and the Journal of Soil Contamination, is on the editorial board of Chemical Geology, the program committee of the Geochemical Society, the advisory board of the Association for the Environmental Health of Soils, and reviews papers and proposals for multiple organizations and agencies.

Publications

BOOKS

Brady P. V. and Borns D. J. 1997. Natural Attenuation of Metals and Radionuclides: Report from a Workshop held by Sandia National Laboratories. Sandia National Laboratory. SAND97-2727.

Brady P. V., Brady M. V., and Borns D. J. 1997. Natural Attenuation of Hazardous Waste: CERCLA, RBCAs, and the Future of Environmental Remediation. CRC Press. 245p.

Brady P. V. (Editor) 1996. Physics and Chemistry of Mineral Surfaces. CRC Press 352p.

Brady P. V., Spalding B. P., Krupka K. M., Borns D. J., Waters R. W., and Brady W. D. 1999. Site-screening and technical guidelines for implementation of monitored natural attenuation at DOE sites. Sandia National Laboratories. SAND99-0464.

Zhang, P. C. and Brady, P. V. - Editors (to be published in 2002) Soil Geochemical Processes of Radionuclides. Special Volume of the Soil Science Society of America.

TECHNICAL PUBLICATIONS/PATENTS

Brady, P. V. (in press) Attenuation of pollutants in water in Encyclopedia of Water Sciences (Ed. Dasch, J. )MacMillan.
Zhang, P. C., Brady, P. V., and Arthur, S. A. (in press) Adsorption of barium(II) on montmorillonite surface: An EXAFS study. Colloid and Surface Sciences: Physicochemistry and Engineering Aspects.
Brady, P. V. and Krumhansl J. L. (2001) Clay Mineral Surface Chemistry, Ch. 6, 281-301. in Oxide Surfaces (Ed. Wingrave, J. A.). Marcel-Dekker.
Brady, P. V. (2001) Preface to the soil and sediment contamination journal special issue on natural attenuation. Soil and Sediment Contamination. 10, U4-U5.
Colon C. F. J., Brady, P. V., Siegel M. D., and Lindgren E. R. (2001) Historical case analysis of uranium plume attenuation. Soil and Sediment Contamination. 10, 71-115.
Eick, M. J., Naprstek, B. R., Brady, P. V. (2001) Kinetics of Ni(II) sorption and desorption on kaolinite: Residence time effects. Soil Science. 166, 11-17.
Krumhansl, J. L., Brady, P. V., and Anderson, H. L. (2001) Reactive barriers for Cs-137 retention. Journal of Contaminant Hydrology. 47, 233-240.
Brady, P. V. (2001) In-Package Chemistry for Waste Forms. Yucca Mtn. Report. ANL-EBS-MD-000056 REV 00. Bechtel SAIC Company. Las Vegas, Nevada: Bechtel SAIC Company. 30 pp.
Brady, P. V. (2000) Summary of In-Package Chemistry for Waste Forms. Yucca Mtn. Report. ANL-EBS-MD-000050 REV 00. Civilian Radioactive Waste Management & Science. Las Vegas, Nevada. 45 pp.
Zhang, P. C., Krumhansl, J. L., Brady, P. V. (2000) Boehmite sorbs perrhenate and pertechnetate. Radiochimica Acta. 88, 369-373.
Brady, P. V. and Bethke, C. M. (2000) Editorial - Beyond the Kd approach. Groundwater. 321, 38-39.
Bethke, C. M. and Brady, P. V. (2000) How the Kd Approach Undermines Ground Water Cleanup. Groundwater. 321, 435 - 442.
Brady, P. V. and Brady, W. D. (2000) Ch. 14 - Monitored Natural Attenuation (14.1-14.11) in the Standard Handbook of Environmental Science, Health, and Technology, Ed. J. Lehr. McGraw-Hill.
Westrich, H. R., Anderson, H. L., Arthur, S. E., Brady, P. V., Cygan, R. T., Liang, J., Zhang, P., and Yee, N. (2000) Prediction of metal sorption in soils. In Proceedings of the Waste Management Conference, WM'00, 47.
Arthur, S. E., Brady, P. V., Cygan, R. T., Anderson, H. L., Westrich, H. R., and Nagy, K. L. (1999) Irreversible sorption of contaminants during ferrihydrite transformation. In Proceedings of the Waste Management Conference, WM'99, 1-14.
Brady, P. V., Spalding, B. P., Krupka, K. M., Borns, D. J., Waters, R. W., and Brady, W. D. (1999) Site-screening and technical guidelines for implementation of monitored natural attenuation at DOE sites. Sandia National Laboratories. SAND99-0464.
Stipp S., Brady, P. V., Ragnarsdottir K.V., and Charlet, L. - Editors (1999) Geochemistry in Aqueous Systems - A special issue in honor of Werner Stumm. Geochimica et Cosmochimica Acta. 63.
Stipp S., Brady, P. V., Ragnarsdottir K.V., and Charlet, L. (1999) Geochemistry in Aqueous Systems - A special issue in honor of Werner Stumm - Preface. Geochimica et Cosmochimica Acta. 63 - Werner Stumm Special Volume.
Brady, P. V., Dorn, R. I., Brazel, A. J., Clark, J., Moore, R. B., and Glidewell, T. (1999) Direct measurement of the combined effects of lichen, rainfall, and temperature on silicate weathering. Geochimica et Cosmochimica Acta. 63, 3293-3300.
Navrotsky, A, Dooley, D, Reeder, R, and Brady, P. V. (1999) Calorimetric studies of the energetics of order-disorder in the system Mg1-xFexCa(CO3)(2). Am. Mineral. 84, 1622-1626.
Fein J. B., Jain, R., and Brady, P. V. (1999) Bacterial mobilization of lead from a weathered basalt. Chemical Geology. 158, 189-202.
Brady, P. V., Papenguth, H. W. and Kelly J. (1999) Metal Sorption to Dolomite Surfaces. Applied Geochemistry. 14, 569-579.
Brady, P. V. (1999) Chemical Weathering in the Encyclopedia of Geochemistry (Ed. Marshall, C. P.) 668-669. Kluwer Academic.
Gillow J. B., Francis A. J., Dodge C. J., Harris R., Beveridge T. J., Brady, P. V., and Papenguth H. W. (1999) Actinide biocolloid formation in brine by halophilic bacteria in Scientific Basis for Nuclear Waste Management XXII. Ed. D. J. Wronkiewicz and J. H. Lee, 1133-1140.
Brady, P. V., Papenguth, H. W., and Lucero, D. A. (1998) Adsorption/desorption of strontium on calcite. Mineralogical Magazine. 62A, 225-226.
Eick M. J., Peak, J. D., Brady, P. V. and Pesek, J. D. (1998) Kinetics of lead adsorption/desorption on goethite: residence time effect. Soil Science. 164, 28-39.
Hercod, D. J., Brady, P. V., and Gregory, R. T. (1998) Catchment-scale coupling between pyrite oxidation and calcite weathering. Chemical Geology. 151, 259-276.
Ward, D. B. and Brady, P. V. (1998) Effect of Al and Organic Acids on the Surface Chemistry of Kaolinite. Clays and Clay Minerals. 46, 453-465.
Waters, R. D., Brady, P. V., and Borns, D. J. (1998) Natural Attenuation of Metals and Radionuclides - An overview of the Sandia/DOE Approach in Waste Management '98. Tucson, Arizona, Spring.
Huang, F. Y. C., Brady, P. V., Lindgren, E. R., and Guerra, P. (1998) Biodegradation of Uranium-Citrate Complexes: Implications for Extraction of Uranium from Soils. Environmental Science and Technology. 32, 379-382.
Balsley, S. D., Brady, P. V., and Krumhansl, J. L. (1998) Anion Scavengers for Low Level Radioactive Waste Disposal. Journal of Soil Contamination. 7, 125-141.
Westrich, H. R., Brady, P. V., Cygan, R. T., Gruenhagen, S. E., Anderson, H. L., and Nagy, K. L. (1998) Characterization of retardation mechanisms in soil. U.S. Nuclear Regulatory Commission Report, NUREG/CR-6603 and SAND98-0419, 23 pp.
Westrich, H. R., Brady, P. V., Cygan, R. T., Gruenhagen, S. E., Nagy, K. L., and Anderson, H. L. (1998) Cs, Sr, and Ba sorption on clays and Fe-oxides. Proceedings of the Low-Level Radioactive Waste Management Conference, 19, 1-4, 16-23.
Westrich, H. R., Brady, P. V., Cygan, R. T., Nagy, K. L., and Anderson, H. L. (1997) Metal sorption on kaolinite. Proceedings of the Low-Level Radioactive Waste Management Conference, 18, 2.12.
Booher, W. F. Lindgren, E. R. and Brady, P. V. (1997) Electrokinetic removal of uranium from contaminated, unsaturated soils. SAND97-0122.
Cygan R. T., Nagy K. L. and Brady, P. V. (1997) Molecular Models of Cesium Sorption on Kaolinite. In E. A. Jenne, Ed., Sorption of Metals by Earth Materials, Academic Press, New York, 383-398.
Brady, P. V., Cygan, R. T., and Nagy K. L. (1997) Surface Charge and Metal Sorption to Kaolinite. In E. A. Jenne, Ed., Sorption of Metals by Earth Materials, Academic Press, New York, 371-381.
Graveling G., Ragnarsdottir K. V., Allen G. C., Eastman J., Brady, P. V., Skuse D. (1997) Controls on Polyacrylamide Adsorption to Quartz, Kaolinite, and Feldspar. Geochimica et Cosmochimica Acta. 61, 3515-3523.
Brady, P. V. and S. R. Gíslason. (1997) Seafloor weathering controls on atmospheric CO2 and global climate. Geochimica et Cosmochimica Acta. 61, 965-973.
Lindgren, E. R. and Brady, P. V. PATENT - In Situ Removal of Contamination from Soil, patent application sd-5702, approved 3/28/97.
Balsley S. D., Brady, P. V. and Krumhansl. (1997) Iodide retention by metal sulfide surfaces: Cinnabar (HgS) and Chalcocite (Cu2S). J. Environmental Science and Technology. 30, 3025-3027.
Brady, P. V. (1997) Surface-Controlled Reactivity of Metal Carbonates. In Aqueous Chemistry and Geochemistry of Oxides, Oxyhydroxides, and Related Materials. Ed. J. A. Voigt, T. E. Wood, B. C. Bunker, W. H. Casey, L. J. Crossey. MRS Symp. Proc. (432) 53-62.
Brady, P. V., Krumhansl, J. L. and Papenguth, H. W. (1996) Surface Complexation Clues to Dolomite Growth. Geochimica et Cosmochimica Acta. 60, 727-731.
Brady, P. V., Cygan, R. T., and Nagy, K. L. (1996) Molecular Controls on Kaolinite Surface Charge. Journal of Colloid and Interface Science. 183, 356-364.
Brady, P. V. and House, W. A. (1996) Surface-Controlled Dissolution and Growth of Minerals (Chapter 4 in Physics and Chemistry of Mineral Surfaces, CRC Press Ed. P. V. Brady) 221-302.
Brady, P. V. and J. M. Zachara. (1996) Geochemical Applications of Mineral Surface Science. (Chapter 5 in Physics and Chemistry of Mineral Surfaces, CRC Press Ed. P. V. Brady) 303-352.
Brady, P. V. and Kozak, M. W. (1995) Geochemical engineering of low level radioactive waste in cementitious environments. Waste Management. 15, 293-301.
Shields, M. J. and Brady, P. V. (1995) Mass Balance and Fluid Flow Constraints on Regional-Scale Dolomitization, Late Devonian, Western Canada Sedimentary Basin. Bulletin of Canadian Petroleum Geology. 43, 371-392.
Shields, M. J. and Brady, P. V. (1995) Reply to Comment of Hans G. Machel and E. J. Mountjoy on Mass Balance and Fluid Flow Constraints on Regional-Scale Dolomitization, Late Devonian, Western Canada Sedimentary Basin. Bulletin of Canadian Petroleum Geology. 44, 572-573.
Dorn, R. I. and Brady, P. V. (1995) Rock-based Measurement of Temperature-dependent plagioclase weathering. Geochimica et Cosmochimica Acta. 59, 2847-2852.
Lindgren, E. R. and Brady, P. V.. (1995) Electrokinetic control of moisture and nutrients in unsaturated soils. in Applied Bioremediation of Petroleum Hydrocarbons, ed. R. Hinchee, J. Kittel, and H. James Reisinger. 475-481.
Westrich, H. R., Cygan, R. T., Brady, P. V., Nagy, K. L., Anderson, H. L., Kim, Y., and Kirkpatrick, R. J. (1995) The sorption behavior of Cs and Cd onto oxide and clay surfaces. In Proceedings of the Waste Management Conference, WM'95, 24-4.
Fein, J. B. and Brady, P. V. (1995) Mineral surface controls on the transport of oxalate and aluminum during diagenesis. Chemical Geology. 121, 11-18.
Brady, P. V. and Carroll, S. A. (1994) Direct Effects of T and PCO2 on Silicate Weathering: Possible Implications for Climate Control. Geochimica et Cosmochimica Acta. 58 1853-1856.
Brady, P. V. (1994) Alumina Surface Chemistry at 25, 35, and 60oC. Geochimica et Cosmochimica Acta. 58, 1213-1217.
Ulmer-Scholle D., Scholle P. A., and Brady, P. V. (1993) Silicification of evaporites in Permian Guadalupian Back Reef Carbonates of the Delaware Basin, West Texas and New Mexico. Journal of Sedimentary Petrology 63, 955-965.
Brady, P. V. and Walther, J. V. (1992) Surface Chemistry and Silicate Dissolution at Elevated Temperatures. Amer. J. of Science. 292, 639-658.
Brady, P. V. (1992) Silica Surface Chemistry at Elevated Temperatures. Geochimica et Cosmochimica Acta. 56, 2941-2946.
Brady, P. V. (1992) Surface Complexation and Mineral Growth: Sepiolite. In Proceedings of the Seventh International Symposium on Water-Rock Interaction on July 13-22. Park City, Utah. A. A. Balkema Publishing. 85-88.
Brady, P. V. (1991) The Effect of Silicate Weathering on Global Temperature and Atmospheric CO2. Journal of Geophysical Research (96) B11 18101-18106.
Brady, P. V. and Walther, J. V. (1990) Algorithms for Estimating Ion Association in Supercritical H2O Fluids. Geochimica et Cosmochimica Acta (54) 1555-1561.
Brady, P. V. and Walther, J. V. (1990) Kinetics of Quartz Dissolution at Low Temperatures Chemical Geology. 82, 253-264.
Brady, P. V. and Walther, J. V. (1989) Controls on Silicate Dissolution in Neutral and Basic pH Solutions at 25oC. Geochimica et Cosmochimica Acta. 53, 2823-2830.

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