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

Table 7

Detected value of volatile organic pollutants and is there a free phase in the contaminated clay samples?

soil samples	Soil layer			Kd (L/kg)	(mg/L)	Csoil (mg/kg)	Detected value (mg/kg)	Have free phase?
The field contaminated soil samples of vinyl chloride	Layer (2)	0.496	1.375	7.94	2920	24238	143	No
	Layer (3)	0.562	1.197	12.62		38221	315	No
	Layer (4)	0.586	1.139	13.35		40484	981	No
	Layer (5)	0.544	1.254	14.09		42409	668	No
The field contaminated soil samples of CH2ClCHCl2	Layer (2)	0.496	1.375	7.94	4360	36191	143	No
	Layer (3)	0.562	1.197	12.62		57070	315	No
	Layer (4)	0.586	1.139	13.35		60449	981	No
	Layer (5)	0.544	1.254	14.09		63323	668	No
Indoor soaked contaminated clay of TCE	Layer (3)	0.531	1.286	12.62	1368	46209	2588	No
	Layer (4)	0.567	1.177	13.35		18922	4915	No