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Vapor intrusion occurs when volatile chemicals from contaminated soil or groundwater migrate into the indoor air of a building. Concerns include assessing the risk to occupants, determining the source and extent of contamination, and implementing mitigation measures (e.g., ventilation, sealing floors).

Soil remediation involves the removal of contaminants or pollution from soil to restore it to a safe condition. In projects, concerns may involve selecting the appropriate technique (e.g., bioremediation, thermal treatment) based on the site condition and pollutants, ensuring the process is cost-effective, and compliance with environmental regulations.

Slope stability is the assessment of the potential for landslides and slope failures. Projects may concern identifying risk factors like soil composition, water content, and loading conditions, and designing appropriate slope stabilization measures.

Groundwater remediation entails the process of cleaning contaminated groundwater to make it safe for use. Project concerns include the assessment of contamination levels, selection of appropriate treatment methods (e.g., pump and treat, in-situ bioremediation), and ensuring the treatment meets regulatory standards.

Geosynthetic materials are synthetic products used to enhance the geotechnical properties of soil. They are often used in environmental projects for containment, reinforcement, or drainage. Concerns include the material's durability, compatibility with waste, and long-term performance.

Waste containment systems are engineered solutions designed to contain hazardous materials and prevent their migration into the environment. Project concerns include the selection of appropriate barrier materials, system integrity over time, and potential leakage pathways.

Landfill design involves creating a facility for the safe disposal of waste. Concerns in projects include the site selection considering hydrogeology, the design of the liner and leachate collection systems to prevent contamination, and the monitoring and maintenance of the landfill post-closure.

Hydraulic conductivity testing measures the rate at which water can flow through soil or rock. In projects, concerns include determining the suitability of materials for barriers or filters, designing dewatering systems, and predicting the flow of contaminants in groundwater.

Erosion control involves the implementation of practices and structures to prevent soil loss due to water or wind action. In projects, concerns include the analysis of site conditions to identify erosion risks, selection and installation of effective control measures (e.g., silt fences, riprap), and maintenance of those measures over time.