Abstract
THE study of various soils by gas chromatography has made it possible to identify several aromatic hydrocarbons as well as thiophene in their aqueous extracts. This report describes the identification of benzene, toluene, ethyl-benzene, p/m-xylene, o-xylene and naphthalene in the soil. Four different types of soil, originating from the AO horizon, have been investigated; meadow soil, cultivated soil, forest soil and podsol. Each of these soils contains all the identified substances, but their concentrations which range from 1 to 5 p.p.m. vary from one soil to another.
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