Assessment of pathogens and toxicants in New Orleans, LA following Hurricane Katrina

Steven Presley, Thomas R Rainwater, Galen P Austin, S G Platt, John Zak, George Cobb, Eric J Marsland, K Tian, Boahong Zhang, Todd Anderson, Stephen Cox, Mike T Abel, Blair D Leftwich, J R Huddleston, Randall Jeter, Ronald J. Kendall

Research output: Contribution to journalArticle

Abstract

Storm surge associated with Hurricane Katrina and the breach of levees protecting New Orleans, Louisiana allowed floodwaters from Lake Pontchartrain to inundate 80% of the city. Environmental samples were collected during September 16-18, 2005 to determine immediate human and wildlife health hazards from pathogens and toxicants in the floodwaters. Baseline information on potential long-term environmental damage resulting from contaminants in water and sediments pumped into Lake Pontchartrain was also collected. Concentrations of aldrin, arsenic, lead, and seven semivolatile organic compounds in sediments/soils exceeded one or more United States Environmental Protection Agency (USEPA) thresholds for human health soil screening levels and high priority bright line screening levels. High numbers of Aeromonas spp., pathogenic Vibrio spp., and other coliform bacteria were found in floodwater samples. Alligator and snake tissues did not contain excessive toxicant concentrations. Initial fin
Original languageEnglish
Pages (from-to)468-474
JournalEnvironmental Science and Technology/American Chemical Society
StatePublished - Jan 2006

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    Presley, S., Rainwater, T. R., Austin, G. P., Platt, S. G., Zak, J., Cobb, G., Marsland, E. J., Tian, K., Zhang, B., Anderson, T., Cox, S., Abel, M. T., Leftwich, B. D., Huddleston, J. R., Jeter, R., & Kendall, R. J. (2006). Assessment of pathogens and toxicants in New Orleans, LA following Hurricane Katrina. Environmental Science and Technology/American Chemical Society, 468-474.