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Pesticides in ground water: Do atrazine metabolites matter?

Journal of the American Water Resources Association

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Abstract

Atrazine and atrazinc-residue (atrazine + two metabolites -deethylatrazine and deisopropylatrazine) concentrations were examined to determine if consideration of these atrazine metabolites substantially adds to our understanding of the distribution of this pesticide in groundwater of the midcontinental United States. The mean of atrazine-residue concentrations was 53 percent greater than that of atrazine alone for those observations above the detection limit (> 0.05 ??g/l). Furthermore, a censored regression analysis using atrazine-residue concentrations revealed significant factors not identified when only atrazine concentrations were used. Thus, knowledge of concentrations of these atrazine metabolites is required to obtain a true estimation of risk of using these aquifers as sources for drinking water, and such knowledge also provides information that ultimately may be important for future management policies designed to reduce atrazine concentrations in ground water.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Pesticides in ground water: Do atrazine metabolites matter?
Series title:
Journal of the American Water Resources Association
Volume
32
Issue:
4
Year Published:
1996
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of the American Water Resources Association
First page:
845
Last page:
853
Number of Pages:
9