The leaks in Chlorine Tonner or Cylinder are the leaks around Valves and take-off Flexible Copper Tube Connectors, Passing, Shearing Breakdown of Valves, puncture on the wall of the Tonner. The common leaks at Valves or Copper Tubing can be met with standard Emergency Kits, but the others will be grave in nature and may suddenly and expectedly happen. It can be extensive and heavy.