Research Article

Effects of Nonaqueous Phase Liquids Pollution on the Permeability and Microstructure of In-Filed and Laboratory Soaked Contaminated Clay Soils

Figure 3

The picture of preparation of indoor soaking contaminated samples by TCE. (a) 2 cm ring knife soaked sample. (b) 4 cm ring knife soaked sample. (c) Sealed and stored away from light.
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(b)
(c)