“When you’re playing in the water around boats, especially if it’s a calm day without any wind blowing, CO can sit on top of the water’s surface. This puts people in the water around boats at greater risk because their mouth is typically at the same level that CO sits on top of the water. In high enough concentrations of CO, only a few breaths can cause someone to pass out, and if they’re in the water, and not wearing a properly-fitted life jacket, they drown quickly and silently. Besides wearing a properly-fitted life jacket when playing in the water around boats, these are some other things that you need to know about CO poisoning when boating…”

https://www.dvidshub.net/news/387425/stop-carbon-monoxide-water-related-deaths?fbclid=IwAR3szCzOLG0ovArZgG09LXcUhW1nclLpP4QlHr72L_54fgrvMM0eKm9IDIE#.YJ_OjNYX7bI.facebook