vapor intrusion webinar

Effective Design and Implementation of Vapor Intrusion Mitigation Systems for New Construction

In this webinar we are pleased to have special guest speaker Tom Hatton, CEO of Clean Vapor LLC. His presentation will discuss successfully designing and implementing Vapor Intrusion Mitigation Systems (VIMS) for new construction. He will be joined by Jordan Knight, National Sales Manager for Land Science, who will discuss advanced vapor intrusion mitigation system technologies.

Topics covered in this free webinar:

  • Stages of designing and installing an effective VIMS, including pre-emptive mitigation, conveyance plenums, and sampling probes
  • Investigation process needed to determine the contaminants of concern
  • Complying with local, state, and federal regulatory requirements
  • Achieving timely construction installation and regulatory compliance by finding the right design/build partner

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Recording now available

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Nitra-Seal Ensures Healthy Work Environment at New Electric Vehicle Plant

Project snapshot highlights:

  • Major automaker trusts Land Science to proactively address potential vapor intrusion risk
  • Nitra-Seal selected because it offered the best economic value for the level of vapor intrusion protection provided
  • The new technologically advanced facility creates hundreds of new jobs for Southeast Michigan residents

A leading automobile manufacturer built a new 520,000-square-foot electric vehicle facility on the site of one of its former plants in Detroit, Michigan. The former site had a long history of automotive manufacturing. Considering the site’s history, and the potential for lingering solvent, fuel, or other subsurface chemical impacts, the auto company was proactive in applying a proven and effective contaminant vapor intrusion solution to ensure a healthy working environment for its employees. Ultimately, Nitra Seal® Nitrile-Advanced Contaminant Vapor Barrier with TerraVent™ Low Profile Venting System, was selected by the construction project team, offering the best economic value for the level of VI protection provided. MTN, Inc., a Land Science Certified Applicator, completed the installation with high efficiency, working directly with the concrete subcontractor to meet the scheduled production rate of the Nitra-Seal system installation. Quality assurance and control testing were completed per manufacturer’s specifications, verifying the integrity and proper installation of the contaminant vapor barrier system.

risk-based closure webinar

The Anatomy of a Risk-Based Closure and Litigation Risks

In this webinar we were pleased to have special guest speaker leading environmental law expert David Gillay, Partner at Barnes & Thornburg, LLP. His presentation discussed the anatomy of a risk-based closure and litigation risks. He was joined by Jordan Knight, National Sales Manager at Land Science, who discussed innovative vapor intrusion mitigation system technologies.

Learn the following in this free webinar:

    • Key components and decision points in developing and successfully implementing an integrated source reduction and risk management closure strategy
    • Litigation updates regarding TCE toxicity and exposure issues
    • What constitutes and imminent and substantial endangerment and expert battles related to chlorinated VOCs
    • Contaminant vapor mitigation industry’s most advanced barrier technologies

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January 2023 Land Science Newsletter

Project Snapshot | TerraShield Chosen as Most Protective Economical Vapor Intrusion Mitigation Solution for Large Logistics Facility

A long-vacant San Francisco Bay Area brownfield was once the site of a former chemical plant that produced chlorofluorocarbons, fuel additive anti-knock compounds, and titanium dioxide from 1956 to 1997. With onsite rail service and more than three million households within 50 miles, the property was considered a prime location for a new 2.2 million square foot logistics development. However, the site’s prior industrial history left residual volatile organic compounds (VOCs) in the subsurface and posed a potential vapor intrusion risk. Following a cost-benefit analysis and thorough evaluation of contaminant vapor barrier systems available, TerraShield® Metalized Nitrile Contaminant Vapor Barrier was selected for the new logistics building

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Featured Brochure | Superior Chemical Resistance Over any Vapor Barrier on the Market

The Land Science research and development team of scientists have invested years in developing the TerraShield vapor barrier system, which delivers orders of magnitude higher vapor intrusion protection as compared to the leading vapor barrier system. The new, innovative, metalized material and multiple layers of protection are key to the increased performance. The R&D team also improved on the core material, incorporating nitrile, known for its chemical resistance, as a key component. The result is a 100 times more effective protection as compared to existing vapor barriers in recent laboratory tests.

Newly Patented Vapor Barrier System Incorporates Metalized Film to Offer 100x Chemical Resistance 

Land Science was recently awarded a U.S. patent for the innovative use of a reinforced geomembrane comprised of an encapsulated, metalized layer and installed with Nitra-Core, a spray-applied nitrile-modified asphalt. This patented innovation is integral to the enhanced protection built into MonoShield and TerraShield. As part of the U.S. patent process, Land Science scientists presented lab testing data that compared the design of the new vapor intrusion barrier technology to commonly used high-density polyethylene (HDPE) systems, and found that TerraBase+ provided 100 times more protection from TCE vs. the HDPE tested.

Client Spotlight | Glenn Burks

When it comes to utilizing a skill set that includes operational leadership, teamworking and mentoring, Glenn Burks, Principal Environmental Engineer and Director of Environmental Services for Group Delta Consultants, appears to be checking all the right boxes. Burks joined Group Delta nearly 10 years ago after working as a Project Manager and Sr. Project Manager for several environmental remediation firms. In his current role at Delta, he manages the Environmental Division, and is responsible for overall division finances, recruiting, business development and final technical QA/QC of work products.

Spotlight on Experience | Rick Gillespie, Senior Vice President 

Rick Gillespie serves as Senior Vice President North America for REGENESIS and Land Science, directing a team of technical sales consultants and engineers across North America and providing industry-leading support to REGENESIS and Land Science customers. He has over 20 years of experience in the environmental remediation industry. He joined REGENESIS after a successful career as a Research Scientist at Battelle Memorial Institute. His work experience has been focused on innovative remediation technologies for the treatment of chlorinated solvents, petroleum hydrocarbons, and PFAS in soils and groundwater.

Welcome to the Team, Chris Medvetz! 

Land Science is excited to announce that Chris Medvetz has joined our team and accepted the role of Technical Sales Manager for the Northeast District. Based in the greater Boston area, Chris is ready to support your next Vapor Intrusion Mitigation project. He brings with him several years of experience in environmental consulting, where he was involved in vapor intrusion assessments, vapor barrier installation oversight, construction oversight, and site assessment and remediation. If you would like to speak with Chris to discuss your upcoming project or join us in welcoming him to our growing team, you can contact him at the information below.

Visit our Vapor Intrusion Training Library

At Land Science, we know many environmental firms are investing time to focus on staff training to get up-to-date on new technologies and regulations. We have prepared a library of pre-recorded webinars available on our website at no charge. Topics include vapor intrusion regulations and mitigation. We will also provide certificates of attendance for any webinar viewed upon request by emailing

Have a Vapor Intrusion Project? Get Started Today!

To receive a custom vapor intrusion solution, please call 949.481.8118 or visit One of our Technical Solutions Managers will review your project details and provide you with a customized vapor intrusion solution designed to achieve your site goals.