Patent ID: 8919391

Claim:
An apparatus for containment of collected materials, the apparatus comprising: at least one storage tank, the storage tank having a hollow interior region; a multilayered bladder disposed within the hollow interior region, the bladder being operable to contain the material therewithin, the bladder comprising a single barrier layer that is impervious to permeation by the collected materials and at least a pair of wear layer that are resistant to tearing, the single barrier layer being disposed between the wear layers and contacting the wear layers, and wherein at least one of the wear layers is coated with an anti-static material; at least one opening formed in the bladder to allow the materials to enter or exit the bladder; an access port disposed on the storage tank and accessible to the hollow interior region of the tank; and a vacuum pump attachable to the access port and operable to regulate the pressure of the hollow interior region of the tank, external to the bladder.