Choking agents. GlobalSecurity.org website. 2011. . Accessed February 26, 2014. US Department of Health and Human Services. Choking agents.
[…] men with gas, when all were prepared to admit that it was allowable to blow the bottom out of an ironclad at midnight, throwing four or five hundred men into the sea to be choked
It is a choking agent that irritates the eyes, nose, and respiratory tract. Symptoms of chlorine poisoning appear as runny nose, coughing, choking, and chest pain.