Propane Has no Smell
	Colorless, Odorless, and tasteless
	Odorant is added

Propane As Liquid
	Boiling point at -44 farenheit
	To stay as liquid, it needs to be stored under pressure
	Propane is lighter than water

Propane As vapor
	Propane vapor is one half times heavier than air
	It settles into low-lying areas
	When Released into the air it expands 270 times its original volume

Miscellaneous
	Liquid propane expands 17 times more than water with temperature changes
	Propane vapor is heavier than air, but propane liquid is lighter than water
	Achieves stability in tanks