This standard applies to liquefied petroleum gas (LPG) consisting essentially of butane and/or butylenes.

The liquefied petroleum gas is intended or use in gas burning equipment in the generation of heat for domestic and industrial purposes where a low volatility liquefied petroleum gas is required.

This standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.

Time-dated standard