The science of environmental remediation is an evolving indusrty with its foundations in chemistry microbiology, agriculture, engineering and geosciences. Groundwash is unique and specific multi-disciplinary approach for in-situ remediation. In-situ surfactant remediation is the injection of aqueous solutions into zones of contaminated soil and groundwater, followed by a gradient extraction. It has application in the remediation of a variety of organic and inorganic contaminants, including: petroleum hydrocarbons, PCB’s, halogenated pesticides, dioxins/ furans, volatile organic compounds, corrosives and radionuclides. Ontario Ministry of the Environment Certificate of Approval, for in-situ contaminant remediation.