A plant experienced a piping leak and could not shutdown to properly repair it. Using their leak clamp procedure, they consulted the required experts and approved use of a temporary clamp for 6 months. After that time, the status of the clamp was to be reviewed,...

A company decided to stop making a chemical product. One of the input materials was toxic and corrosive phosphorus trichloride (PCl3). The lines to the storage tank and the process area were cleared of PCl3 . A few years later, an operator found a leak outdoors. The...

On May 3, 2019, operators at a plant in Waukegan, Illinois were performing a batch operation, manually adding and mixing chemicals in a tank inside a building. An operator pumped an incorrect chemical into the tank. That chemical was incompatible with a chemical...