There is no way to see or know what is located under ground. Through extensive training and experience and the use of Ground penetrating radar it is possible to know more about the depth and size of an under ground objects. This will help identify if a storage tank exists where other professional equipment fail due to limitations and interference. At check Master Home Inspections we use the state of the art Swedish technology Mala easy locator to help locate and verify if an oil tank exists on the property.