Preemptive Vapor Intrusion Mitigation Paves the Way for Long Island Housing Redevelopment

Project snapshot highlights:

  • Redevelopment of a former industrial site into a multi‑building affordable housing complex prompted proactive evaluation of vapor intrusion risks linked to historical contamination.
  • Subsurface soil and soil gas investigations identified potential pathways requiring mitigation to safeguard future occupants.
  • A preemptive vapor intrusion mitigation system was installed beneath building foundations, ensuring safe construction progress and supporting long‑term community revitalization.

Mixed-Use Redevelopment Safeguarded with TerraShield

Project highlights:

  • Over 30,000 Square Feet of TerraShield Installed
  • Development protected from potential chlorinated VOC vapor intrusion
  • Passive SSDS installed utilizing TerraVent, a low-profile passive venting system

Environmental assessments for a Northern Michigan redevelopment project identified residual volatile organic compounds (VOCs)—primarily perchloroethylene (PCE), trichloroethylene (TCE), and dichloroethylene (DCE)—within subsurface soils and groundwater on land slated for a downtown redevelopment initiative. The potential for vapor intrusion prompted the development team to integrate a proven vapor mitigation system into the new construction design.

Nitra-Seal Protects Youth Development Center From Potential Vapor Intrusion Risks

Project highlights:

  • Underlying soil and groundwater contained cVOCs, posing a potential vapor intrusion risk at the site
  • 40,000 square feet of Nitra-Seal installed to protect youth development center from potential VI risks.
  • Fast installation by certified applicators ensured regulatory compliance and kept the project on schedule.

A newly constructed youth development center in the Mid-Atlantic region required a vapor intrusion mitigation solution to safeguard children, families, and staff from potential subsurface vapor intrusion. The site’s urban history carried the potential for vapor intrusion from chlorinated volatile organic compounds (cVOCs) present in underlying soil and groundwater. To ensure occupant protection and regulatory compliance without delaying construction, the project team selected Nitra-Seal, Land Science’s advanced nitrile composite vapor barrier system.

vapor intrusion mitigation

Nitra-Seal Protects Affordable Housing Development from Radon

Project highlights:

  • Reliable vapor mitigation ensures safe living environment in Texas residential complex
  • Nitra-Seal® vapor barrier chosen for its proven effectiveness in radon resistance, ease of installation, and long-term reliability in protecting against vapor intrusion risks

An affordable housing project in a highly populated Texas region required effective radon mitigation measures for its multi-building, 90,000-square-foot apartment development. Radon, a naturally occurring radioactive gas, posed potential health risks, necessitating a proactive mitigation approach to ensure resident safety and compliance with environmental regulations. Buckeye Elm Contracting, a Land Science Certified Applicator with extensive experience in vapor intrusion mitigation systems, successfully installed the Nitra-Seal barrier across the apartment buildings in the development. Installation procedures included careful sealing of foundation interfaces, utility penetrations, and seams, followed by stringent construction quality assurance (CQA) protocols such as smoke testing to confirm system integrity.

MonoShield Protects Logistics Facility from Methane Vapor Risks

Project snapshot highlights:

  • The installation followed strict manufacturer-recommended construction quality assurance (CQA) procedures
  • MonoShield and the integrated methane venting and monitoring systems successfully installed, the logistics facility is effectively safeguarded against methane risks

An 86,000 square-foot logistics facility was constructed in south Florida, adjacent to a former landfill site. Due to the site’s proximity to the landfill, the potential for methane vapor intrusion was identified as a significant risk factor for future building occupants and operations. To proactively manage and mitigate the risk, MonoShield® vapor barrier was selected as the optimal solution due to its superior chemical resistance, durability, ease of installation, and compatibility with sub-slab venting and monitoring systems.

MonoShield Ensures Vapor Protection for Warehouse Project

Project snapshot highlights:

  • MonoShield offered superior installation efficiency to meet tight budget and construction schedule
  • MonoShield successfully installed, the project has met environmental safety standards, enabling construction to proceed without delays

In Northern California, a new 650,000 square-foot industrial warehouse development is poised to bolster regional economic growth and streamline logistics for an e-commerce company. Given potential vapor intrusion risks from historic industrial activities, the project required a robust vapor barrier solution. MonoShield® was chosen by the development team for its durability, chemical resistance, and ease of installation, complemented by the TerraVent venting system, ensuring effective vapor intrusion mitigation.

Retro-Coat

Retro-Coat Applied at New Logistics Hub

Case study highlights:

  • Project Awarded First Brownfield Redevelopment Area Grant in Tennessee
  • Effective Mitigation of Chlorinated Solvents and Petroleum Contamination

The former Plumley Tire site in Morristown, Tennessee, once impacted by historic manufacturing operations, is currently undergoing significant redevelopment. This initiative is funded by Tennessee’s BRAG grant, representing a crucial element of Governor Bill Lee’s campaign to revitalize brownfield locations throughout the state. The site was impacted by petroleum hydrocarbon and chlorinated solvent contaminants due to historic rubber manufacturing operations dating back to the 1960’s. As the first site awarded a BRAG grant for remediation in the state of Tennessee, the application of Retro-Coat at the Plumley Tire site has met the stringent requirements for indoor air quality protection, protecting future building workers and occupants.

TerraShield Protects Critical Aircraft Maintenance Facility at Naval Station Norfolk

Project highlights:

  • Advanced vapor barrier provides long-term protection for Navy’s new corrosion control and paint hangar
  • TerraShield was chosen for its proven chemical resistance, high durability, ease of installation, and ability to meet rigorous military construction standards.

The U.S. Navy planned the construction of a new Corrosion Control and Paint Facility (Building P-1035) at Naval Station Norfolk in Virginia. The facility, strategically located in the heart of the naval base, provides critical maintenance capabilities for MH-60R/MH-60S and V-22 aircraft. The single-story hangar includes three specialized bays—a plastic media blasting bay, a painting bay, and a wash rack bay—supported by mission-essential spaces. Due to potential vapor intrusion concerns associated with historic Navy maintenance activities and known contaminants in the area, the project team proactively selected Land Science’s TerraShield® Metallized Contaminant Vapor Barrier.