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Vapor Intrusion

  
 
C&G Vapor Intrusion with Biodegradation Conceptual Model (Spot Photo)

Vapor Intrusion refers to the migration of vapors from subsurface contaminant sources to buildings such as a homes or workplaces. API conducts research towards improving the screening process for vapor intrusion at sites where petroleum releases have occurred.

API is Compiling and Analyzing Petroleum VI Data
In July 2006, API began analyzing the available high quality soil gas and groundwater datasets to determine if there are reliable and easy to measure site characteristics that indicate conditions both favorable and unfavorable to bioattenuation. More...
 

Publications
 API has produced several publications on developing screening criteria, site assessment and vapor biodegradation:


Collecting and Interpreting Soil Gas Samples from the Vadose Zone
Summary | Download Now

Identification of Critical Parameters for the Johnson and Ettinger (1991) Vapor Intrusion Model
API Soil and Groundwater Research Bulletin Number 17
May 2002
Vadose Zone Natural Attenuation of Hydrocarbon Vapors
An Empirical Assessment Of Soil Gas Vertical Profile Data

API Soil and Groundwater Research Bulletin Number 15
December 2001
Determining Vapor Attenuation Factors Using a Screening-Level Model and Field Data from the CDOT-MTL
Summary API Soil and Groundwater Research Bulletin Number 16
April 2002
Assessing the Significance of Subsurface Contaminant Vapor Migration to Enclosed Spaces: Site-Specific Alternatives to Generic Estimates

Site-Specific Alternative to Generic Estimates

API Publication 4674
December 1998

  

Presentations:

Contaminated Property Transactions: Mitigating the Risks of Redevelopment
April 11-13, 2007
Washington, DC

Vapor Intrusion Session In Focus
Featuring presentations by leaders in the VI practice from government, industry and consulting. Go to conference agenda.

Vapor Intrusion: The Next Great Environmental Challenge - An Update
Presented by The Air and Waste Management Association
September 13-15, 2006
Los Angeles, CA

Session 4: Petroleum Vapor Intrusion Issues

Abstracts:

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File Size: 1.3 MB
OS: PC/Mac | License: Free

Presentations (.zip file):

Zip FileDownload
File Size: 4.3 MB
OS: PC/Mac | License: Free
NGWA/API Petroleum Vapor Intrusion Workshop
August 17, 2005
Costa Mesa, CA

Regulators, consultants and industry representatives participated in a workshop to gain a better understanding about the potential for vapor intrusion from subsurface petroleum hydrocarbon sources. Click here for a summary. Click below to download workshop presentations (.zip file).

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File Size: 5.7 MB
OS: PC/Mac
License: Free

 

  
 

 
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Updated:December 4, 2007
    
   
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