Accidental spillage or improper disposal of products such as gasoline, diesel fuel, fuel oil, jet fuels, coal tars, waste oil, and chlorinated solvents has caused a variety of organic chemicals to enter into the subsurface. These organic chemicals are classified as hydrocarbons that often known as non$-$aqueous phase liquids $($NAPL$)$ have been encountered at numerous contaminated sites. Recommend the non$-$aqueous phase liquids $($NAPL$)$ distribution in the soils.