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WRD Geochemical Studies at the Norman Landfill

Understanding subsurface transport and biodegradation of contaminants in leachate from the Norman Landfill is applicable to forecasting the fate of contaminants released from the thousands of landfills near rivers across the Midwest. An aspect of evaluating degradation and attenuation reactions requires evaluation of the abundance and reactivity of phases in alluvium contacting the leachate. Ferric oxides and sulfate minerals are reactive constituents in the alluvium that affect terminal electron accepting processes. In addition, clay minerals and carbonates influence the composition of leachate through cation exchange and water-rock reactions. This study will characterize the composition, mineralogy, and reactivity of solid phase constituents of the alluvium down gradient of the landfill. The information will be shared with microbiologists, aqueous geochemists, hydrologists, and other scientists conducting research at the site to collaboratively develop a comprehensive understanding of important processes and their implications for contaminant transport.

Project Chief:

George Breit
Box 25046 Denver Federal Center MS 964
Denver, CO 80225
Phone: (303) 236-4951
Email: gbreit

Products

Task 1 - Evaluation of Reactivity of Solid Phase Forms of Iron and Sulfur in the Canadian River Alluvium

Breit, G.N., Cozzarelli, I.M., Johnson, R.D., and Norvell, J., 1996, Interaction of alluvial sediments and a leachate plume from a landfill near Norman, Oklahoma: Geological Society of America Abstracts with Programs vol. 28, no. 7, p. A258.

Task 2 - Clay Minerals in the Canadian River Alluvium: Influence on Contaminant Transport

King, L.J., Olsen, H.W., and Breit, G.N., 1999, Hydraulic conductivity reductions resulting from clay dispersion within alluvial sediments impacted by sodium-rich water: U.S. Geological Survey Water Resources Investigations Report Report 99-4018C, pp. 557-568.

King, L.J., Breit, G.N., and Olsen, H.W., 1999, Hydraulic conductivity reductions in unconsolidated alluvial sediment resulting from clay dispersion: Geological Society of America Abstracts with Programs, vol. 31, no. 7, p. A-288. View King GSA abstract.

Scholl, M.A., Cozzarelli, I.M., Christenson, S.C., Breit, G.N., and Schlottmann, J.L., 1999, Aquifer Heterogeneity at the Norman, Oklahoma, Landfill and its Effect on Observations of Biodegradation Processes: U.S. Geological Survey Water Resources Investigations Report Report 99-4018C, pp. 569-578.


Mineral Resources	Eastern / Central / Western / Alaska / Minerals Information
Mineral Resources	Crustal Imaging & Characterization / Spatial Data

WRD Geochemical Studies at the Norman Landfill

Project Chief:

Products

Task 1 - Evaluation of Reactivity of Solid Phase Forms of Iron and Sulfur in the Canadian River Alluvium

Task 2 - Clay Minerals in the Canadian River Alluvium: Influence on Contaminant Transport

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