Categories Underground Oil Tanks How can you check under asphalt driveways and concrete patio slabs? Post date May 16, 2018 Ground penetrating radar can penetrate asphalt and concrete to locate underground oil storage tanks. By regulating the frequency of the GPR antenna, the operator can detect objects such as underground oil tanks at a variety of depths. ← Is a GPR scan the same thing as an X-Ray scan for underground storage tanks? → How deep can GPR penetrate or see below the ground?