Integrated Nanozero Valent Iron and Biosurfactant-Aided Remediation of PCB-Contaminated Soil

Table 3

Metal substances in the soil sample determined by ICP-MS.

Metals	Concentration in soil (mg/kg)
Arsenic	5.306
Barium	643.918
Cadmium	0.146
Chromium	16.815
Copper	13.727
Iron	33,562.114
Lead	17.681
Mercury	<LDL
Nickel	9.142
Selenium	<LDL
Thallium	0.444
Uranium	1.675
Vanadium	46.084
Zinc	71.958

Note: LDL = lower detection limit.