This document specifies a test method that is designed to measure the explosion pressure and the maximum explosion pressure, the rate of explosion pressure rise and the maximum rate of explosion pressure rise of a quiescent flammable gas/air/inert mixture in closed volume at ambient temperature and pressure. In this document, the term "gas" includes vapours but not mists. Detonation and decomposition phenomena are not considered in this document.All current amendments available at time of purchase are included with the purchase of this document.