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New Technical Guides Released by EPA to Support Vapor Intrusion Assessments

Cinnaminson, NJ – WEBWIRE

In June, the U.S. Environmental Protection Agency (EPA) released two new technical guides addressing issues associated with vapor intrusion. Vapor intrusion describes the process by which chemical vapors from contaminated soil or groundwater seep into a building.  These chemicals can cause short or long-term health concerns for building occupants.
The Technical Guide for Assessing and Mitigating the Vapor Intrusion Pathway from Subsurface Vapor Sources to Indoor Air applies to all sites being evaluated under federal land cleanup statutes by EPA, other federal agencies, state and tribal governments and brownfield grantees.  A companion document, the Technical Guide for Addressing Petroleum Vapor Intrusion at Leaking Underground Storage Tank Sites addresses any sites where vapor intrusion related to petroleum contamination from underground storage tanks is a potential concern. Both guides are applicable to residential and non-residential settings.
There are many locations across North America that have contaminated soil or groundwater due to manmade pollution.  Some of these sites have been a problem for decades and as communities have expanded, a growing number of residential and commercial developments have been built above or near these areas.
One of North America’s leading vapor intrusion testing laboratories is EMSL Analytical, Inc.  “Sometimes vapor intrusion issues are readily evident with noticeable odors, but many potentially harmful chemicals may not be detectable without advanced scientific testing and analyses,” said Joseph Frasca, Senior Vice President of Marketing at EMSL Analytical, Inc.  “EMSL has a network of laboratories across the U.S. and Canada that can help with sampling supplies and advanced analytical techniques for assessing vapor intrusion issues.”
EMSL Analytical has sponsored an online educational video about the dangers associated with vapor intrusion.  It can be seen at:
To learn more about testing for vapor intrusion or other indoor air quality (IAQ) services, please visit, call (800)220-3675 or email .
About EMSL Analytical, Inc.
EMSL Analytical is a nationally recognized and locally focused provider of indoor air quality, environmental and materials testing services and products to professionals and the general public.  The company has an extensive list of accreditations from leading organizations as well as state and federal regulating bodies. 


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