This specification covers those products commonly referred to as liquefied petroleum gases
consisting of propane, propene (propylene), butane and mixtures of those materials. Three basic
types of liquefied petroleum gases are provided to cover the common use applications.
This specification is applicable to products intended for use as domestic, commercial and
industrial heating and engine fuels.
The values stated in SI units are to be regarded as the standard. The imperial values are given for
This standard does not purport to address all of the safety concerns, if any, associated with its
use. It is the responsibility of the user of this standard to establish appropriate health and safety
practices and determine the applicability of regulatory limitations prior to use.