This standard covers the handling, mixing, and conditioning procedures required to ensure that a representative sample of the liquid petroleum or petroleum product isdelivered from the primary sample container/receiver into the analytical test apparatus or in intermediate containers. For sampling procedures, refer to MPMS Chapters 8.1 and 8.2. MPMS Chapter 8.4 should be referred to for the mixing and handling of light fuels for volatility measurement. Throughout this standard, the term 'petroleum' will be used to denote petroleum and petroleum products normally associated with the petroleum industry.