API PUBL 4775 pdf download Simulating the Effect of Aerobic Biodegradation on Soil Vapor Intrusion into Buildings Evaluation of Low Strength Sources Associated with Dissolved Gasoline Plumes 3.1.2 Depth of Source Below the Building Foundation The depth of the source below the building foundation ranged from 1 to 10 meters (m). This encompasses a range of shallow source depths that...