Kit "SB" Sulfur Dioxide Emergency Kit for SO2 One Ton Containers Kit "SB" includes devices and tools to contain leaks in and around the ton container valves and in the side wall of ton containers. All items are labeled with a part number, color coded yellow and are stored inside a durable polyethylene tool box. Sulfur Dioxide Emergency Kits are standard Chlorine Institute Emergency Kits with sulfur dioxide compatible gaskets in place of the standard chlorine compatible gaskets in a sulfur dioxide labeled polyethylene kit box. Kit "SB" Design Features Device #4: Clamping device for containing leaks in and around the ton container fusible plugs. Device #12: Designed to contain leaks in and around the ton container valves. Device #9: Patching device designed for sealing leaks in the ton container side walls. Tools: Kit "SB" also includes a variety of hand tools, inspection seals and additional sealing devices. All items are labeled with a part number, color coded yellow and are stored inside a durable polyethylene tool box. The US DOT has approved the shipment of leaking cylinders & ton containers, under stated circumstances, without a DOT exemption when contained within a recovery vessel or emergency kit manufactured to the design specifications of the Chlorine Institute.