Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

An Approach for Developing Site-Specific Lateral and Vertical Inclusion Zones within which Structures Should be Evaluated for Petroleum Vapor Intrusion due to Releases of Motor Fuel from Underground Storage Tanks

This EPA Office of Research and Development Issue Paper presents a graphical, data-driven approach to screen buildings for vulnerability to petroleum vapor intrusion. The accompanying spreadsheet for the ORD Issue Paper (xlsx) (134.9 KB) Free Viewers is intended to facilitate application of the concepts illustrated in the paper.

An Approach for Developing Site-Specific Lateral and Vertical Inclusion Zones within which Structures Should be Evaluated for Petroleum Vapor Intrusion due to Releases of Motor Fuel from Underground Storage Tanks (pdf) (2.87 MB, December 2012, 600-R-13-047)

An Approach for Developing Site-Specific Lateral and Vertical Inclusion Zones within which Structures Should be Evaluated for Petroleum Vapor Intrusion due to Releases of Motor Fuel from Underground Storage Tanks

Underground Storage Tanks (USTs)