Contamination from Sources with Mixed Wastes
An array of several hundred multilevel wells were installed in an abandoned gravel pit. The array of wells was used to conduct a natural-gradient tracer test. The results of the test provided information on how contaminants are transported in groundwater -- from the Cape Cod Site
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Bibliography 685 Publications
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Many contaminant sources introduce a diverse and complex mixture of organic and inorganic
contaminants into the subsurface, which can complicate characterizations of contaminant transport,
fate and effects. These sources include landfills and wastewater discharges. The resulting
contaminant plumes are difficult to characterize, manage, and remediate. Reactions among dissolved
chemicals, reactions between dissolved chemicals and the aquifer material, and microbial reactions
can significantly accelerate or retard contaminant movement and complicate natural and engineered
cleanup. Ongoing research focuses on defining source mixtures, developing field methods for
characterization, quantifying transport processes and development of simulation modeling
capabilities. Current research focuses on the following three areas:
Landfill Leachate in Alluvial Aquifers --
Norman, Oklahoma
Sewage Contamination in Sand and Gravel
Aquifers -- Cape Cod, Massachusetts
Mixed, Low-level Radioactive and Other Wastes
-- Amargosa Desert Research Site, Nevada
Program Headlines on Mixed Waste Contamination Research
Fact Sheets
Meetings and Conferences
New Publications
Upcoming Publications
- Volatile organic compounds in the unsaturated zone from radioactive wastes: Baker, R.J., Andraski, B.J., Stonestrom, D.A., and Luo, W., Journal of Environmental Quality, doi:10.2135/jeq2011.0480 (IN PRESS).
Newly Published
- Impact of fluorochrome stains used to study bacterial transport in shallow aquifers on motility and chemotaxis of Pseudomonas species: Toepfer, J.A., Ford, R.M., Metge, D., and Harvey, R.W., 2012, FEMS Microbiology Ecology, p. n/a-n/a, doi:10.1111/j.1574-6941.2012.01355.x.
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