Remediation Gasoline Release Vapor extraction tests and pump tests were performed to design a full- scale remediation system including soil vapor extraction with thermal off-gas treatment. The Challenge A 2,500-gallon gasoline release created significant vapor problems in homes and businesses throughout a two-city block of downtown Dover, NJ. Indoor air concentrations in nearby buildings required extended evacuation of occupants. Of particular concern were a tavern/restaurant, a 4-story nursing home and an office/bank building, all of which were immediately down gradient of the release. The New Jersey Department of Environmental Protection (DEP) activated Handex as consultant and contractor to mitigate these problems under the State’s Subsurface Remediation Contract.The Solution We immedia

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