Pesticide Contamination in Varied Pesticide-Use Settings
New pesticides are developed continually, and increasingly, degradation byproducts of legacy and current-use pesticides are discovered. Information on the environmental occurrence of these chemicals is needed to evaluate their potential environmental and human health significance. This project activity has two-fold objectives: (1) develop methods to measure new pesticides and their byproducts in samples of various environmental media at concentrations relevant to assessing their persistence, transport, and fate; and (2) gather information on the environmental occurrence of these chemicals in sensitive and/or susceptible ecosystems near areas of common use of the pesticide, such as areas of similar land use, crop types, and/or farming practices. Pesticide-use studies in selected settings include:
Herbicides and other Agricultural Chemicals -- Midwest Cornbelt
Cotton Agriculture -- Southern United States
Agricultural Chemicals in Ground Water -- Plains, Georgia [Completed]
Transport of Herbicides in Streams and Shallow Ground Water , Cedar River, Iowa [Completed]
Program Headlines Related to Pesticide Research
Fact Sheets
New Publications
- The occurrence of glyphosate, atrazine, and other pesticides in vernal pools and adjacent streams in Washington, DC, Maryland, Iowa, and Wyoming, 2005Ð2006: Battaglin, W.A., Rice, K.C., Focazio, M.J., Salmons, S., and Barry, R.X., 2008, Environmental Monitoring and Assessment, doi:10.1007/s10661-008-0435-y (Advanced Web release).
- Occurrence of pyrethroids in bed and suspended sediments in California: Hladik, M.L., and Kuivila, K.M., 2008, in Gan, J.J., Spurlock, F., Hendley, P., and Weston, D., eds., Synthetic Pyrethroids--Occurrence and Behavior in Aquatic Environments: ACS Symposium Series 991, p. 55-71.
- A decade of measuring, monitoring, and studying the fate and transport of triazine herbicides in groundwater, surface water, reservoirs, and precipitation by the U.S. Geological Survey (Chapter 30): Thurman, E.M., and Scribner, E.A., 2008 in LeBaron, H.M., McFarland, J., and Burnside, O., eds., The Triazine Herbicides, Amsterdam, The Netherlands, Elsevier Science, ISBN:978-0-444-51167-6.
- Analysis of chlorothalonil and three degradates in sediment and soil: Hladik, M.L., and Kuivila, K.M., 2008, Journal of Agricultural and Food Chemistry, v. 56, no. 7, p. 2310-2314, doi:10.1021/jf703695s.
- Occurrence of chlorothalonil, its transformation products, and selected other pesticides in Texas and Oklahoma streams, 2003-2004: Battaglin, W.A., Kuivila, K., Winton, K., and Meyer, M., 2008, U.S. Geological Survey Scientific Investigations Report 2008–5016, 9 p.
- A multi-residue method for the analysis of pesticides and pesticide degradates in water using HLB solid-phase extraction and gas chromatography--ion trap mass spectrometry: Hladik, M.L., Smalling, K.L., and Kuivila, K.M., 2008, Bulletin of Environmental Contamination and Toxicology, v. 80, no. 2, p. 139-144, doi:10.1007/s00128-007-9332-2.
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