Ecolog`s Environmental group activities are diverse and include: treatment of contaminated soils, monitoring pollutants in the soil, groundwater and air, performing historical surveys and soil surveys, IRBCA risk assessments, Environmental Health and Safety assessments (EHS), Pollutant Release and Transfer Register (PRTR), environmental regulation of hazardous and solid waste treatment and landfill sites, environmental impact assessment (EIA), and preparation of environmental documents for water supply systems, various infrastructures and for gas and oil transmission systems.