by Donald A. Goolsby, William A. Battaglin, and E. Michael Thurman
Foreword
Abstract
Introduction
Purpose and scope
Sources and properties of selected agricultural chemicals
Drinking-water standards and aquatic-life guidelines
Previous studies of agricultural chemicals in the Mississippi River Basin
Occurrence and transport of agricultural chemicals during the 1993 flood
Data-collection methods
Occurrence and distribution of herbicides and nitrate-nitrogen
Relation to drinking-water standards
Transport of herbicides and nitrate-nitrogen
Calculation methods
Transport of herbicides
Transport of nitrate
Summary
References
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