Snyder's revolutionary Captor Double Wall Tanks and Containment Systems are designed to alleviate the ever-changing environmental and safety concerns regarding bulk chemical storage and containment for the 21st century. The Captor double wall tanks unique tank-in-a-tank design enables users and specifiers to incorporate advance performance and safety features on a bulk-handling system, which provides total containment protection. Captor's double wall tank construction is completely enclosed so that external matter, such as dust, rain and snow is prevented from collecting in the outer containment tank.