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Atrazine, Central Kansas Croplands

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Contents

Abstract

Statement of the problem

Purpose and objectives

Related research

Atrazine

Nitrate

Site selection and instrumentation

Methodology

Installation and calibration procedures

Observation wells

Neutron-probe access tubes

Tensiometers

Suction lysimeters

Soil-temperature thermistors

Chemical formulation of applied solutions

Chemical analysis methodology

Vadose zone and Pleistocene aquifer profiles

Site 6

Soil profile and physical and chemical characteristics

Water chemistry

Water and chemical flooding

Site 7

Soil profile and physical and chemical characteristics

Water chemistry

Chemical flooding

Site 10

Soil profile and physical and chemical characteristics

Water chemistry

Transport modeling

Conclusions and recommendations

Appendix A: Literature review on atrazine and nitrate

Atrazine

Nitrate

Appendix B: Chemical analysis methodology

Determination of atrazine in soil

Determination of atrazine in water

Determination of atrazine and its two dealkylated metabolites (G-30033 and G-28279) in soil

Determination of hydroxyatrazine (G-34048) in soil

Bromide determination

Inorganic analyses

Sample collection

Appendix C: Water chemistry analyses

Appendix D: Atrazine analyses in soil and water

Appendix E: Determination of atrazine degradation byproducts

References


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Kansas Geological Survey, Geohydrology
Placed on web Aug. 23, 2010; originally published 1990.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/Publications/Bulletins/GW12/01_contents.html