EVS-EN 589:2018

This document specifies requirements and test methods for marketed and delivered automotive
liquefied petroleum gas (LPG), with LPG defined as low pressure liquefied gas composed of one or more
light hydrocarbons which are assigned to UN 1011, 1075, 1965, 1969 or 1978 only and which consists
mainly of propane, propene, butane, butane isomers, butenes with traces of other hydrocarbon gases.
This standard is applicable to automotive LPG for use in LPG engine vehicles designed to run on
automotive LPG.
NOTE For the purposes of this European Standard, the terms “% (m/m)” and “% (V/V)” are used to represent
respectively the mass fraction, μ, and the volume fraction, φ.
WARNING — Attention is drawn to the risk of fire and explosion when handling LPG and to the
hazard to health arising through inhalation of excessive amounts of LPG.
LPG is a highly volatile hydrocarbon liquid which is normally stored under pressure. If the
pressure is released large volumes of gas will be produced which form flammable mixtures with
air over the range of approximately 2 % (V/V) to 10 % (V/V). This European Standard involves
the sampling, handling and testing of LPG. Naked flames, unprotected electrical equipment
electrostatic hazards etc. are sources of ignition for LPG.
LPG in liquid form can cause cold burns to the skin. The national health and safety regulations
apply.
LPG is heavier than air and accumulates in cavities. There is a danger of suffocation when
inhaling high concentrations of LPG.
CAUTION — One of the tests described in this European Standard involves the operator inhaling a
mixture of air and LPG vapour. Particular attention is drawn to the cautionary statement provided in
A.1, where this method is referred to.