Services
Mitigation System Design
Custom vapor intrusion mitigation systems — designed by our specialists, tailored to your site's specific conditions and regulatory requirements.
Vapor intrusion occurs when volatile chemicals in contaminated soil or groundwater migrate into overlying buildings — posing health risks to occupants and regulatory challenges for property owners and developers.
Tetra designs site-specific mitigation systems to interrupt the vapor intrusion pathway, using sub-slab depressurization, passive venting, building pressurization, or a combination of approaches depending on site conditions and regulatory requirements.
We prepare complete contractor-ready design packages and can provide installation oversight to ensure the system performs as designed. Post-install performance testing confirms that indoor air quality meets applicable standards.
Services Provided
- Vapor intrusion pathway assessment
- Sub-slab depressurization (SSD) system design
- Building pressurization system design
- Passive ventilation system specifications
- Contractor-ready design drawings and specifications
- Installation oversight and quality assurance
- Post-installation performance verification testing
- Ongoing O&M support and monitoring