Humans cannot detect pure propane gas. It has no odor and no color. To provide warning of a propane hazard, suppliers may add other chemicals to the propane gas. A common warning method is adding odorous gases like hydrogen sulfide to the propane to create a rotten egg smell. According to Illinois State University, the additional odors fade away eventually, which is important to know if a propane container was stored for a long time.
Propane sinks in air, since it is denser than air. This means that it will concentrate on the ground in quantities that can easily ignite. Propane buildup is a greater risk in areas that are at a lower elevation than their surroundings. Propane may also explode if a large amount of the gas is exposed to fire. Never operate the propane lantern near other flammable materials such as gasoline tanks.
Burning propane in a lantern produces carbon monoxide. Like propane, carbon monoxide cannot be detected by humans, and unlike propane, there are no odorants in the carbon monoxide to warn campers of its presence. Campers should store propane lanterns outside their tents to prevent carbon monoxide poisoning. The lantern also consumes oxygen in the air when in use, which is another reason not to use it in an enclosed space.
Campers should perform all propane lantern maintenance outside of any tent, camper or enclosure. This includes filling up a propane lantern, as well as checking fittings for any leaks. Parts of the lantern may become loose while traveling to a campsite, according to the state of Michigan. Additional propane storage tanks for the lantern should also be stored outside the tent or camper.
The lantern should be stored properly when not in use. According to Illinois State University, if the lantern is stored in an out-of-the-way location like an attic or a garage, it's best to place the lantern in a plastic bag or other container to protect it from dust and spider webs. If the propane tanks are also stored in this location, make sure they do not reach a temperature of 120 degrees Fahrenheit or higher, to prevent the propane gas in the tanks from expanding or leaking.
