EarthSoft announced today a new Vapor Intrusion module for EQuIS, consisting of a Vapor Intrusion (VI) EDD, schema additions and VI reports.

The VI EDD was developed under the guidance of New York State Department of Environmental Conservation. This EDD was designed by several state staff and consultants. The VI EDD is part of NYSDEC’s EDD format. Information about NYSDEC’s EDD can be found on their website at One round of extensive reviews is complete and the EDD is available for further review at this time.

The purpose of Vapor Intrusion data collection is to evaluate the presence of volatile chemicals which move from a subsurface source into the indoor air of overlying or adjacent buildings. The subsurface source can be either contaminated groundwater or contaminated soil which releases vapors into the pore spaces in the soil. Vapor Intrusion information and guidance documentation can be found on NYSDEC’s website at

The Vapor Intrusion format includes data related to structures and buildings at the sampling site, vapor sampling, sampling methods, field data and the conditions at the time of the sampling events. Test and result information is stored in the Lab sections of the format. Vapor Intrusion sampling includes data about floor materials, slab thickness, sealants, PID readings, heating systems, heating fuel, vacuum gauges and other relevant information.

If you would like to review this EDD, please contact Kristin Garboski at EarthSoft,

EQuIS demonstration videos for our products are available at EarthSoft’s Community Center and YouTube channel –  and

Learn More