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Person Details

Superfund Research Program

Peggy A. O'Day

University of California-Merced
School of Natural Sciences
5200 N. Lake Road
Merced, CA 95343
Phone: 209-228-4338
Fax: 209-228-4053
Email:

Projects

Superfund Sites

Onondaga Lake

  • University of California-Merced: Sequestration and Immobilization of Metal and Metalloid Contaminants in Sediments

Sulphur Bank Mercury Mine

  • University of California-Merced: Sequestration and Immobilization of Metal and Metalloid Contaminants in Sediments

Publications

2012
  • Bessinger, B., D. Vlassopoulos, S. Serrano, and Peggy A. O'Day. 2012. Reactive Transport Modeling of Subaqueous Sediment Caps and Implications for the Long-Term Fate of Arsenic, Mercury, and Methylmercury. Aquatic Geochemistry. 18:297-326. doi:10.1007/s10498-012-9165-4  
2011
  • Hayes, Sarah M., Peggy A. O'Day, Samuel M. Webb, Raina M. Maier, and Jon Chorover. 2011. Changes in Zinc Speciation with Mine Tailings Acidification in a Semiarid Weathering Environment. Environmental Science & Technology.   45:7166-7172. doi:10.1021/es201006b  
  • O'Day, Peggy A., S. Serrano, T. Stilson, and D. Vlassopoulos. 2011. Mercury distribution and speciation in a seasonal wetland impacted by mine waste. In: Goldschmidt Conference.
  • Serrano, S., D. Vlassopoulos, B. Bessinger, and Peggy A. O'Day. 2011. Hg(II) sequestration by ettringite-type phases. A geochemical modeling and EXAFS study. In: Goldschmidt Conference.
  • Vlassopoulos, D. and Peggy A. O'Day. 2011. Approaches to in situ remediation of mercury and arsenic contaminated soils and sediments using mineral amendments. In: The Mineralogical Society Annual Meeting: Frontiers in Environmental Geoscience.
2010
  • Bessinger, B., D. Vlassopoulos, S. Serrano, and Peggy A. O'Day. 2010. Reactive transport modeling of arsenic and mercury fate at the ground water-surface water interface. In: The National Groundwater Association 2010 Ground Water Summit.
  • O'Day, Peggy A. and D. Vlassopoulos. 2010. Mechanisms of contaminant metal and metalloid sequestration using reactive amendments for soil and sediment remediation. In: The 20th General Meeting of the International Mineralogical Association.
  • O'Day, Peggy A. and D. Vlassopoulos. 2010. Mineral-based amendments for remediation. Elements. 6:375-381. doi:10.2113/gselements.6.6.375  
  • Serrano, S., D. Vlassopoulos, F. Garrido, M.T. Garcia-Gonzalez, and Peggy A. O'Day. 2010. Calibration of a general mineralogy-constrained sorption model for heavy metals and application to evaluation of reactive transport processes in natural soil columns. In: The National Groundwater Association 2010 Ground Water Summit.
  • Serrano, S., D. Vlassopoulos, F. Garrido, M.T. Garcia-Gonzalez, and Peggy A. O'Day. 2010. Calibration of a general mineralogy-constrained sorption model for heavy metals and application to evaluation of reactive transport processes in natural soil columns. In: The National Groundwater Association 2010 Ground Water Summit.
  • Serrano, S., D. Vlassopoulos, F. Garrido, M.T. Garcia-Gonzalez, and Peggy A. O'Day. 2010. Calibration of a general mineralogy-constrained sorption model for heavy metals and application to evaluation of reactive transport processes in natural soil columns. In: The National Groundwater Association 2010 Ground Water Summit.
2009
  • Bessinger, B., D. Vlassopoulos, S. Serrano, and Peggy A. O'Day. 2009. Reactive transport modeling of arsenic and mercury in a chemically amended sediment cap. In: Proceedings of the Fifth International Conference on Remediation of Contaminated Sediments. Battelle, Jacksonville, FL.
  • O'Day, Peggy A., S. Serrano, B. Bessinger, V. Illera, and D. Vlassopoulos. 2009. Sediment remediation of metal and metalloid contaminants with reactive amendments. In: 19th Annual V.M. Goldschmidt Conference. Davos,
  • Vlassopoulos, D., B. Bessinger, V. Illera, and Peggy A. O'Day. 2009. Lithologic, hydrologic, and biogeochemical influences on spatio-temporal variability of As and Hg concentrations in groundwater. In: 19th Annual V.M. Goldschmidt Conference. Davos,
2008
  • O'Day, Peggy A., V. Illera, S. Choi, and D. Vlassopoulos. 2008. Immobilization and natural attenuation of arsenic in surface and subsurface sediments. In: American Geophysical Union, Fall Meeting. San Francisco, CA.
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