posed on the internal surface 152 of the tank 112 to be in contact with a consumable cargo 105 to prevent adversely affecting the taste of wine, juices, dairy or other consumable liquids or foods, which might occur due to oxygen permeation of PE without a layer 158.As shown in FIG. 2, the layer 158 is between about 0.001 millimeters to about 5 millimeters to meet more or less stringent permeation