Geo-Seal® and Vapor-Vent™ Approved to Protect Urban School Complex from Harmful PHC and cVOC Contaminants
- Geo-Seal® applied to 40,000 square feet of new construction
- Geo-Seal and Vapor Vent™ approved by California Department of Toxic Substances Control
A former manufacturing facility site in Oakland, California was contaminated due to years of engine repair, vehicle maintenance and fuel storage that took place on the property. The site is currently being used as a school complex and the Oakland Board of Education approved construction of a modern facility. However, after a site assessment was completed, it was determined that high levels of petroleum hydrocarbons, PAHs and chlorinated solvents were present.
Ninyo and Moore prepared a Removal Action Work Plan and Operation and Maintenance plan for approval by the California Department of Toxic Substances Control. An excavation remediation plan was implemented on-site to dispose of the majority of the contaminated soil and groundwater. A vapor mitigation system was utilized to avoid any potential inhalation risk that remained. Geo-Seal and Vapor-Vent were applied to 40,000 square feet of new construction to mitigate the vapor intrusion risk and meet regulatory requirements.
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