Soil Vapor Extraction & Vapor Intrusion Mitigation Services
North America’s Soil Vapor Extraction and Remediation Specialist
Envent Corporation is a leading environmental contractor focusing on the installation, deployment, and tracking of powerful soil vapor extraction (SVE) systems and vapor intrusion mitigation units. We support remediation contractors, geotechnical consultants, and vapor barrier engineers with technical expertise. As a fast-acting emergency response contractor available for 24/7 response, we provide complete solutions for commercial, industrial, and residential projects across North America.
The Critical Need for Subsurface Vapor Remediation
Professional soil remediation is vital to handle Hazardous Air Pollutants found underground that pose serious risks to human health and property value. Without effective vapor extraction, contaminants such as VOCs, PCE, TCE, and Benzene can migrate through the subsurface, leading to dangerous vapor intrusion in occupied buildings. Using controlled vacuum pressure to remove these toxic compounds from the ground’s unsaturated zone is the only way to guarantee air quality, restore site integrity, and maintain regulatory compliance.
Why Choose Envent for Soil Vapor Extraction
- Engineering & Fabrication Quality
Envent fabricates, installs, rents, and operates dedicated SVE units capable of treating high-flow volumes to 2000 CFM+. - Engineering Experience
We use a range of proven methods to guarantee the total destruction of vapors, including activated carbon, liquid scrubbers, and thermal oxidation technologies. - Rapid 24/7 Mobilization
Our status as an emergency response contractor means our engineers and technicians can deploy immediately to solve your most pressing vapor intrusion or extraction problems. - Dedicated Contaminant Removal
We specialize in the remediation of difficult underground substances, including BTEX compounds and chlorinated hydrocarbons. - Full-Cycle Project Support
From initial design to long-term tracking, our team helps you boost project outcomes while staying in full alignment with environmental standards.
Vapor Intrusion Mitigation Systems
Vapor intrusion is the movement of Volatile Organic Compounds (VOCs) including BTEX compounds (benzene, toluene, ethylbenzene, and xylene), as well as chlorinated hydrocarbons and PFAS, from contaminated soil or groundwater into indoor air. These hazardous vapors can migrate through cracks, utility penetrations, and foundation joints, posing health risks to building occupants.
Envent Corporation provides the specialized design and installation of vapor intrusion mitigation systems that protect buildings from these harmful subsurface gases. Our systems are engineered to reduce the risk of chemical vapors entering occupied spaces.
Mitigation solutions can be installed ahead of time, where vapor intrusion may occur in the future, or reactively, where subsurface contamination is already present. By using advanced vapor extraction and emission control technologies, Envent guarantees safe indoor environments are maintained while meeting all state and federal environmental standards
Featured case study
The Problem: A contractor needed to remove BTEX and PCE from soil within 2,000 feet of a school. The project required strict SCAQMD Rule 1166 compliance, with a zero-tolerance policy for odors or detectable emissions.
What We Did: Envent deployed a complete, pre-permitted mobile SVE trailer. We managed the extraction using dual carbon vessels and performed daily emissions monitoring to verify non-detect levels and maintain 100% regulatory standing.
The Result: The 90-day pilot achieved 100% non-detect samples with zero complaints. This approach shortened the permitting phase and saved the client over $500K in capital costs by proving the design before permanent installation.
Soil Vapor Extraction (SVE)
Soil Vapor Extraction (SVE) is the process of removing contaminated vapors, such as Volatile Organic Compounds (VOCs), BTEX, chlorinated hydrocarbons, and PFAS, from deep within the ground’s unsaturated zone using controlled vacuum pressure. This environmental remediation technique involves drilling extraction wells into VOC-contaminated soil above the water table to pull harmful vapors trapped in the subsurface.
Envent’s SVE remediation service uses high-performance vacuum blowers and vapor extraction wells to pull gas flow through the subsurface, efficiently capturing and treating contaminated vapors. For compounds with low volatility, thermal enhancement techniques can be applied to heat the soil, increasing vapor pressure and improving removal results.
Envent’s engineered SVE systems deliver reliable, regulatory-compliant solutions for soil remediation, protecting air quality and restoring site integrity. By using advanced vacuum technology, we guarantee that subsurface pollutants are handled with technical precision while worker safety is maintained.
Featured case study
The Problem: Dangerous VOC Emissions During Soil Remediation An urgent soil agitation project triggered a sudden release of high-concentration VOCs, creating an immediate safety hazard and risking a complete regulatory shutdown.
What We Did: Envent deployed a complete turnkey SVE trailer that was pre-permitted for immediate use. We handled the extraction using high-capacity carbon filtration and 14-foot vent stacks to guarantee safe dispersion and non-detectable stack levels.
The Result: The project maintained 100% compliance with zero complaints or safety incidents. By utilizing our rental fleet, the client shortened their timeline and validated their permanent system design, saving over $100K in potential redesign costs.
RECENT SOIL VAPOR EXTRACTION PROJECTS
Envent provides complete SVE systems across North America to stabilize industrial, residential, and commercial sites. Our specialized fleet ensures your project maintains regulatory compliance and stays on schedule.
Soil Vapor Extraction & Remediation FAQs
When should I contact Envent for Soil Vapor Control Services
Contact Envent if any vapor-forming chemicals (VOCs, BTEX, PFAS, H2S, or Mercury) are present in your building’s subsurface. We guarantee your project remains compliant with state and federal environmental standards.
How fast can you mobilize?
Does Envent handle the environmental permitting?
Yes. Our in-house engineering team helps in securing all necessary air and building permits. In many regions, our mobile vapor extraction units are already pre-permitted, which helps shorten project timelines.
What is the primary goal of Soil Vapor Extraction (SVE)?
The goal of SVE is to remove contaminated vapors, such as VOCs and BTEX, from the ground’s unsaturated zone using controlled vacuum pressure. This process pulls harmful vapors trapped in the subsurface to protect air quality and restore site integrity.
How does vapor intrusion affect building occupants?
Vapor intrusion occurs when volatile organic compounds (VOCs) migrate from contaminated soil or groundwater into indoor air through cracks or foundation joints. This movement poses significant health risks to building occupants and can impact property value.
What specific contaminants can Envent’s SVE systems remediate?
What equipment capacities are available for extraction projects?
Envent fabricates and operates dedicated SVE units capable of treating high-flow volumes in excess of 2,000+ CFM. Our high-performance vacuum blowers are engineered to handle gas flow through the subsurface with technical precision.
How do you destroy the vapors once they are extracted?
To guarantee total destruction of captured vapors, we use a range of proven methods, including activated carbon, liquid scrubbers, and thermal oxidation technologies.
Can mitigation systems be installed before contamination is present?
Yes. Mitigation solutions can be installed proactively where vapor intrusion may occur in the future, or reactively to manage existing subsurface contamination. This ensures safe indoor environments are maintained from the start.
Secure with Advanced Subsurface Vapor Control
Protect your building’s occupants and restore site integrity with Envent’s complete soil remediation solutions. Whether you require a planned SVE installation or 24/7 emergency response for vapor intrusion, our engineering team guarantees technical precision and full regulatory compliance. We handle the most difficult contaminants to provide a safe environment for commercial, industrial, and residential projects.
