ISCO was tested with Na2S2O8, K2S2O8, CaO2 and H2O2 catalyzed by iron in oxisol.
Ethanol-blended gasoline intensifies the hazards due to high TOC and BTEX content.
Oxidants in the presence of natural iron in oxisol lead to radical production.
Intermediates formation suggest different remediation pathways for the oxidants.