The transition unit includes an outer cylinder that is cylindrically shaped and made of steel. A foundation for supporting the outer cylinder is provided. The foundation contains no metal reinforcements. Grounding rods are connected to the outer cylinder. The grounding rods extend to a water table. A lower support structure made preferably of wood is located within the outer cylinder. An inner cylinder is supported by the lower support structure. A canister is located within the inner cylinder. A cover is located on the outer cylinder for enclosing the transition unit.