Begin forwarded message:

From: Department of Toxic Substances Control <vaporintrusion@dtsc.ca.gov>

Subject: CalEPA Draft Supplemental Vapor Intrusion Guidance

Date: February 14, 2020 at 9:30:17 AM PST

To: lsiegel@cpeo.org

Reply-To: vaporintrusion@dtsc.ca.gov

Dear Stakeholder: Department of Toxic Substances Control (DTSC), State Water Board, and San Francisco Bay Regional Water Quality Control Board have developed supplemental vapor intrusion guidance for conducting vapor intrusion evaluations in California. The draft Supplemental Guidance: Screening and Evaluating Vapor Intrusion (Draft Guidance) is available for review and public comment from February 14 to April 30, 2020. Availability of Draft Guidance Electronic Copies Department of Toxic Substances Control Vapor Intrusion Website https://dtsc.ca.gov/vapor-intrusion/ State Water Resources Control Board Vapor Intrusion Website https://www.waterboards.ca.gov/water_issues/programs/site_cleanup_program/vapor_intrusion/   Hard Copies   Hard copies of the Draft Guidance are available for review at various locations. Please see the Public Notice (English version; Spanish version) for details.   Public Meetings & Webinars DTSC and State Water Board will host a series of informational public meetings and webinars state-wide to answer questions and solicit public comments/feedback in April 2020. See the Public Notice (English version; Spanish version) for details regarding the public meetings and webinars. For questions or assistance, please contact Mr. Dan Gallagher at (916) 255-6536 or send email to VaporIntrusion@dtsc.ca.gov.

Department of Toxic Substances Control | PO Box 806, Sacramento, CA 95812-0806