Vapor-Intrusion, Soil-Gas, Indoor Air2024-05-02T17:34:33-04:00



Assisting with vapor intrusion (VI) pathway investigations and remediation efforts for over 20 years. We offer a wide range of analytical support including petroleum contaminates (BTEX, Naphthalene) and chlorinated solvents (dry cleaning solvents including perchloroethylene and daughter products) with superior throughput and critical on-time reporting.

Enthalpy professionals have been assisting vapor intrusion testing (VI), pathway investigations, and remediation efforts for more than 15 years. Our researchers have the ability to screen and analyze petroleum contaminates (BTEX, naphthalene) and chlorinated solvents (dry cleaning solvents including perchloroethylene and daughter products) over a wide calibration range. This wide range allows Enthalpy to have superior sample throughput resulting in on-time reports. This may be critical for initial VI investigations when trying to pinpoint the source of contamination and mapping the contamination plume.

We also offer custom reporting solutions for TO-14A and TO-15 compound lists. Enthalpy provides electronic data deliverables (EDD) that save time and money especially for programs with large compound lists. With advanced planning, data can be reported in custom EDD formats that will allow for quicker data review and easier data management.

Enthalpy is a trusted partner of engineering firms working on contaminated sites and can provide the support needed from site assessment through the remediation process including BTEX contamination testing and soil gas testing.

EPA Test Methods

  • TO-14A
  • TO-15
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View Our Recent Blog Post

Breaking Down California’s Multi-Agency Update to Vapor Intrusion Guidance

In February 2023, an update to the 2011 DTSC Soil Vapor Intrusion guidance was released with input from DTSC, CalEPA, and Regional and State Water Quality Control Boards. This comprehensive, long-awaited, revised guidance provides updates on vapor intrusion concepts and practices and will expand their application from regional to statewide in California.

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