Effects of Soil pH and Treatment Level on Persistence and Plant Uptake of 2,4,6-Trinitrotoluene
Abstract
Two studies were conducted to measure uptake of 2,4,6-trinitrotoluene (TNT) by the ubiquitous yellow nutsedge (Cyperus esculentus). The initial study was conducted with three soils treated at low levels of TNT, 20 and 40 micro TNT/g of soil on an oven dry weight (ODW) basis. One of the principal objectives of the initial study was to assess methods for soil treatment, extraction, and analysis. Dry mixing of TNT into the soils resulted in a nonhomogeneous distribution of the compound. Ultrasonic extraction of spiked soils with 200 ml of benzene produced fairly good recoveries of TNT, an average of 80 percent, but coefficients of variation were relatively high. Concentrations of TNT and two of its degradation products, 4-amino-2,6-dinitrotoluene (4ADNT) and 2-amino-4,6- dinitrotoluene (2ADNT), in plants were low. Concentrations of all three compounds were limited to a few micrograms per gram of plant material. The principal objective of the second study was to determine the effects of soil pH on plant uptake of TNT. Cyperus, Munitions compounds, Plant uptake, Soils, TNT.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1988
- Accession Number
- ADA203144
Entities
People
- Bobby L. Folsom Jr.
- Cynthia L. Teeter
- Joycie A. Bright
- Judith C. Pennington
- Martha R. Barton
Organizations
- United States Army Biological Warfare Laboratories