Hazmat personnel have identified a need for a lightweight, no assemble, no inflation, portable two ore three stage ddecond berm for hot, warm and cold zone containment applications. The patent pending design offers a one-piece design with separate compartmetns to isolate and contain various contaminated solutions. The new 8-inch walls and optional elevated grates allows the responder easy entrance and exit from each compartment without standing in contaminatged solutions. Available in standard adn custom sized two or three compartment configurations.