Terra- Petra is pleased to continue partnering with a major property developer to provide Vapor Intrusion Mitigation System (VIMS) Design Assistance in Hayward, CA. The scope of work involves mitigation of VOCs that could pose a potential vapor intrusion concern into a future occupied structure at the site.
This includes document review, conducting a Human Health Risk Assessment (HHRA) and submission of a Basis of Design report complete with Construction Quality Control procedures and an Operation, Maintenance and Monitoring plan (OM&M).
The vapor intrusion mitigation system will be designed in accordance with the Alameda County Department of Environmental Health’s Local Oversight Program (ACDEH) and in general accordance with the Vapor Intrusion Mitigation Advisory published by the C.A. EPA Department of Toxic Substances Control (DTSC) dated October 2011 (Cal/EPA 2011a, 2011b).