Sarin: a man-made deadly toxin

Sarin is a human-made chemical warfare agent classified as a nerve agent, according to the US Center for Disease Control and Prevention.
Nerve agents are the most toxic and rapidly acting of the known chemical warfare agents.
They are similar to certain kinds of insecticides -insect killers - called organophosphates in terms of how they work and what kind of harmful effects they cause.
However, nerve agents are much more potent than organophosphate pesticides.
Sarin originally was developed in 1938 in Germany as a pesticide.
Sarin is a clear, colourless, and tasteless liquid that has no odour in its pure form.

However, sarin can evaporate into a vapour (gas) and spread into the environment.

Sarin is also known as GB, according to CDC.
Sarin is not found naturally in the environment. It is a man-made toxin.
Sarin was used in two terrorist attacks in Japan in 1994 and 1995.
Following release of sarin into the air, people can be exposed through skin contact or eye contact.
They also can be exposed by breathing air that contains sarin.
Sarin mixes easily with water.
Following release of sarin into water, people can be exposed by touching or drinking water that contains sarin.
Following contamination of food with sarin, people can be exposed by eating the contaminated food.

A person's clothing can release sarin after it has come in contact with sarin vapour, which can lead to exposure of other people.