UNDERGROUND STORAGE LEAKAGES

underground storage tank (UST) is a tank or piping network that has at least 10% of its volume underground. they often contains substances like petroleum, that are harmful to the environment if it is released to the environment. many UST that are built before 1980, are made of steel and are directly exposed to the environment, as time pass the steel will corrode and cause leakages. hence, harmful substances will leak out, affecting surrounding soil and groundwater.