Informational Postings
Gas Quality
Gas Quality Methodology
StandardDescription
A.G.A. Report No. 3ORIFICE METERING OF NATURAL GAS AND OTHER RELATED HYDROCARBON FLUIDS, latest revision
A.G.A. Report No. 8Compressibility Factors of Natural Gas and Other Related Hydrocarbon Gases, latest revision [compressibility in all volume calculations, included by reference in AGA 3, 7, 9 and 11]
GPA Standard 214Table of Physical Constants for Hydrocarbons and Other Compounds of Interest to the Natural Gas Industry, latest revision [constants for calculation of heating value and specific gravity, all meters]
GPA Standard 2166Obtaining Natural Gas Samples for Analysis by Gas Chromatography, latest revision
GPA Standard 217Calculation of Gross Heating Value, Relative Density and Compressibility Factor for Natural Gas Mixtures from Compositional Analysis, latest revision [Calculation of Heating Value and Relative Density Analysis for Natural Gas and Similar Gaseous Mixtures by Gas Chromatography]
GPA Standard 2261Analysis for Natural Gas and Similar Gaseous Mixtures by Gas Chromatography, latest revision
GPA Standard 2286METHOD FOR THE EXTENDED ANALYSIS OF HYDROCARBON LIQUID MIXTURES CONTAINING NITROGEN AND CARBON DIOXIDE BY TEMPERATURE
API 14.1Collecting and Handling of Natural Gas Samples for Custody Transfer, latest revision
ASTM-D550Standard Test Method for Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Chemiluminescence
ASTM-D7493Standard Test Method for Online Measurement of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatograph and Electrochemical Detection
ASTM-5454Standard Test Method for Determination of H20 Vapor Content of Gaseous Fuels Using Electronic Moisture Analyzers
Hydrocarbon Dew PointPeng Robinson Equation of State