Research Article

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

Figure 2

GC-MS SIM spectra of PCBs in contaminated soil sample spiked with bipenyl-d10 and EPA 525,525.1 PCBs standard. (1) Biphenyl-d10. (2) 2,2′,4,4′-Tetrachlorobiphenyl. (3) 2,2′,3′,4,6-Pentachlorobiphenyl. (4) Biphenyl. (5) Tetra-15.6. (6) Tetra-16.3. (7) Penta-17.8. (8) Penta-18.7. (9) Penta-20.0. (10) Hexa-20.8. (11) Hexa-21.8. (12) Hexa-22.8.