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Greenbaum, Rowe, Smith & Davis LLP Client Alert

On January 16, 2013, the New Jersey Department of Environmental Protection (DEP) issued updated vapor intrusion screening levels and a revised vapor intrusion (VI) technical guidance.

The New VI Guidance follows revisions to the Technical Requirements for Site Remediation (N.J.A.C. 7:26E) and Administrative Requirements for the Remediation of Contaminated Sites (N.J.A.C. 7:26C) that DEP issued on May 7, 2012.

Changes to the technical guidance for vapor intrusion include the following key revisions:

The New VI Guidance is posted on the DEP’s Site Remediation Program website page at

DEP has also posted the following additional information to assist with the interpretation and implementation of the New VI Guidance:

Please contact the authors of this Alert, David A. Roth and Maura E. Blau, for additional information on the DEP’s updated technical guidance for vapor intrusion.