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Article: Distribution and occurrence of selected pesticides in urban and agricultural areas: a comparison between central Alabama and national data sets.
- Article from:
- Journal of the Alabama Academy of Science
- Article date:
- July 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 Alabama Academy of Science. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT
The distribution and occurrence of selected pesticides in ground-water sampled from 30 wells located in urban areas and 29 wells in agricultural areas of central Alabama were compared to national data sets ranging in size from 600 to over 1,400 samples. The central Alabama wells were completed in sand and gravel deposits underlying the flood plains of the Alabama, Black Warrior, Coosa, and Tallapoosa Rivers. These sediments overlie and recharge the Cretaceous aquifer system in central Alabama, an important source of public and private water-supply.
The depth of the urban wells ranged from 5.6 to 29.8 meters with a median depth of 11.9 meters. ...