• Apr 5, 2026 Expressing Natural Gas Parameters In Volume Rather Than Mass In Compliance To The Requirements Of Iso 13686 Quality Designation For The Trading Of Natural Gas Worldwide meters and pressuretemperature sensors Predictable Behavior The behavior of gases is highly influenced by temperature and pressure Expressing natural gas parameters in terms of volume at standard conditions typically 15C and 1013 kPa accounts for these variations providing a consistent and co By Felicity Hamill