Environmental Site Assessments (Phase I). Preliminary Environmental Site Characterization (Phase II). Exhaustive Environmental Characterization (Phase III). Environmental Remediation of contaminated soil (Phase IV). Risk Analysis: Bioremediation of soils and groundwater contaminated by hydrocarbons. Biological decontamination procedures (in-situ). Biopile decontamination procedures (ex-situ). Contaminated soils and hazardous solid waste management. Biogas migration assessments Hydrogeological studies. Groundwater resource assessments. Technico-legal expertise.