After
comparison of the
initial and final soil nitroaromatics content, the quantification of leachate export, and the
nitroaromatics content of trees, a mass balance lack of approx. 85
% was found.
This substantial
balance lack appears, with the mentioned fluctuations in all, also in the
unplanted variants,
and thus possesses general validity and is not explainable with measurement inaccuracies.
The
balance lack, and the fact that the soil contamination inhomogeneity could not
be excluded, demanded extended
investigations to the TNT fate, in order to determine whether actually such high TNT losses in the soil/tree system
or possible under defined pollutant input conditions.
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