SSSAJ Journal of Natural Resources and Life Sciences Education
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Published in Soil Sci Soc Am J 50:263-265 (1986)
© 1986 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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A Stainless-Steel Soil Solution Sampler for Monitoring Pesticides in the Vadose Zone1

C. N. Smith and R. F. Carsel2

ABSTRACT

A design for an in situ soil solution sampler (suction lysimeter), consisting of a stainless steel tube with a 0.1 MPa (–1.0 bar), high-flow, porous ceramic cup, is presented for use in monitoring pesticide or other dissolved chemical leaching in the vadose (unsaturated) zone. The sampler is of one piece construction with the porous ceramic cup attached by epoxy adhesive. The design permits collection of a total volume of up to 0.5 L of soil solution per sample. Laboratory studies indicated that pesticide sorption on the sampler was insignificant and no analytical interference problems were observed. The samplers were designed to monitor leaching of pesticides and inorganic tracers in an on-going field study in southwest Georgia. Successful field performance of 60 installed samplers (depths of 1.5, 2.1, and 2.7 m) was demonstrated during the 1984 cropping year. Soil solution sample volumes of 10 to 500 mL were obtained during one 24-h sampling period with vacuums of 0.015 and 0.020 MPa.

NOTES

1 Contribution from U. S. Environmental Protection Agency, Environmental Research Laboratory, Athens, GA 30613.

2 Soil Scientist and Microbiologist, U. S. Environmental Protection Agency, Environmental Research Laboratory, College Station Road, Athens, GA 30613.

Received for publication June 25, 1985. Accepted for publication August 27, 1985.






HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1986 by the Soil Science Society of America.