TS 11939

TS 11939 is a service standard addressing the safety rules applicable to liquefied petroleum gas (LPG) refueling stations intended for road vehicles. Its subject is the safe arrangement, operation, and basic protection measures for stations where automobiles are fueled with LPG.

Safety focus in LPG refueling stations

LPG is a fuel made up mainly of propane, butane, or blends of these gases, stored as a liquid under pressure and released back into vapor form during use. That physical behavior makes leakage control, vapor accumulation, ignition sources, and pressure-system handling central safety concerns. The scope of this standard is limited to safety rules for LPG refueling stations established for road vehicles, so its emphasis is the safe operation of this type of fueling facility rather than fuel composition or product quality.

Technical context of the document

• Covers LPG refueling stations used for road vehicles.
• Centers on safety rules; it is not a fuel specification or composition standard.
• Addresses the risks associated with pressurized storage and transfer of LPG.
• Issued as TS 11939:1998 and later withdrawn.

In general technical practice, the value of a standard like this is to align personnel safety, equipment layout, and operating discipline within one common framework. LPG stations differ from conventional liquid-fuel stations because vapor behavior and pressurized systems require a distinct safety approach, so standards in this area help establish a shared safety language for both facility design and day-to-day operation.