NJDEP Vapor Intrusion Technical Guidance
NOTICE:
Please be aware that information provided in this Web page may be affected by a DEP Compliance Advisory that was posted on October 4, 2010 at Notice of Proposed Rule Changes Concerning Site Remediation Compliance Timeframes and Vapor IEC Requirements [pdf]. Please refer to the Compliance Advisory for more information.
The NJDEP has finalized the Vapor Intrusion Technical Guidance (January 2012) document to provide assistance in the evaluation of contaminated sites.
Due to routine updates to the screening level tables, it is recommended that the user refer to the NJDEP Vapor Intrusion web site at Vapor Intrusion Pathway for the latest information. A notice will be placed on the web site to indicate future changes to this guidance.
The Guidance Document
- Main Vapor Intrusion Technical Guidance Document [pdf]
Note: This file does NOT include the tables. You will also need the file below. - Vapor Intrusion Technical Guidance Document Appendices [pdf]
- Tables for the Vapor Intrusion Technical Guidance Document March 2007 Edition [pdf]
Tip for using the links inside the PDF documents: If you use a link to go another site and find that your browser brings you back to the first page of the PDF when you return from the linked site, you can jump to the page you were at by entering the page’s number at the bottom of the PDF viewer’s window. Example, replacing the 1 of 300 with 78 to jump to page 78.
Additional Vapor Intrusion Information
- Vapor Intrusion Pathway Archives
- DEP Contacts for Vapor Intrusion
- Vapor Intrusion Technical Guidance
- Vapor Intrusion Template Letters & Results Tables
- Community Outreach Guidance [pdf]
- Fact Sheet: Evaluating Indoor Air Near VOC Contaminated Sites
- Fact Sheet: Subsurface Depressurization Systems
- Common Household Sources of Background Indoor Air Contamination [pdf]
- NJDOH’s Fact Sheet: Potential Health Risks Associated with Exposures to Trichloroethylene (TCE) in the Indoor Air [pdf] Posted 1 June 2016