There are many potential hazards when attempting a confined space rescue in an oil storage tank. Because of the nature of most oil storage tanks, their nearly complete enclosure and extremely limited access, they are some of the most hazardous confined spaces in which to perform a confined space rescue.
One of the most serious potential hazards is that of asphyxiation. Oil storage tanks have very limited entry points and therefore limited air supply. If proper precautions are not taken to ensure that the access point is kept open at all times to allow air to circulate through the tank,...
