Open-File Report 2011–1102
High-density row crop production occurs in three areas of Alabama that are underlain by productive aquifers, northern Alabama, southeastern Alabama, and Baldwin County in southwestern Alabama. The U.S. Geological Survey collected five groundwater samples from each of these three areas during 2009 for analysis of selected pesticides. Results of these analyses showed detections for 37 of 152 analytes. The three most frequently detected compounds were atrazine, 2-Chloro-4-isopropylamino-6-amino-triazine (CIAT), and metolachlor. The highest concentration for any analyte was 4.08 micrograms per liter for metolachlor.
First posted November 10, 2011
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Moreland, R.S., 2011, Pesticide occurrence in groundwater in areas of high-density row crop production in Alabama, 2009: U.S. Geological Survey Open-File Report 2011–1102, 17 p.
Purpose and Scope