In February 2011 the US EPA issued a request for public input on the inclusion of Vapor Intrusion in the HRS scoring for NPL Site Listing. The document can be found at:

The Interstate Technology and Regulatory Council will be offering its two day course, Vapor Intrusion Pathway: A Practical Guideline, in Princeton, New Jersey on April 18-19, 2011. Information on the course is found at:

The EPA Vapor Intrusion Workshop on March 15, 2011 will be held in conjunction with the Association for Environmental Health and Sciences West Coast Conference held March 14-17, 2011 in San Diego. This workshop is free on-line and the link to register for the webinar is https://www2.gotomeeting.com/register/161445171. Other meeting sessions will focus on petroleum vapor intrusion and other VI issues. The EPA workshop agenda is available for review at:

Massachusetts has issued draft updated Vapor Intrusion Guidance for comment. It can be found at:

The Minnesota Pollution Control Agency provides an update to two earlier MPCA vapor intrusion program documents. Information can be found at:

The presentations and Proceedings of the 2010 Air and Waste Management Association Vapor Intrusion Conference in Chicago, IL on September 29-30, 2010 are available at:

This summer US EPA OSWER initiated a new vapor intrusion website that provides links to guidance documents and updates on EPA activities in the vapor intrusion field. The website can be found at: