“Propane” means a 3-carbon alkane gas (C3H8), that when stored under pressure inside a tank, is a colorless, odorless liquid. It is obtained as a by-product from the refining of petroleum or from natural gas processing. Propane is the main component of liquefied petroleum gas.

Source. #10753, INTERIM, eff 1-1-15, EXPIRED: 6-30-15 New. #10890, eff 7-16-15 ss by #13186, eff 4-7-21 (formerly Saf-C 302.27); ss by #13186, eff 4-7-21 (formerly Saf-C 302.27)