Standardization of sampling and analysis methods and related thermophysical property calculations for: natural gas, natural gas substitutes, liquefied natural gas (LNG), mixtures of natural gas with gaseous fuels (such as unconventional gases and renewable gases), in all its facets from production to delivery to all possible end users across national boundaries.

Quick links


Published ISO standards *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 193/SC 1/WG 13   Thermodynamic properties Working group
ISO/TC 193/SC 1/WG 17   Analysis with Associated Uncertainty Working group
ISO/TC 193/SC 1/WG 18   Revision of ISO 6976 Working group
ISO/TC 193/SC 1/WG 20   Revision of ISO 10715 Working group
ISO/TC 193/SC 1/WG 21   Revision of ISO 10101 Working group
ISO/TC 193/SC 1/WG 24   Sulfur and odorant analysis Working group
ISO/TC 193/SC 1/WG 25   Biomethane Working group
ISO/TC 193/SC 1/WG 26   Coalbed methane and coal based synthetic natural gas Working group
Liaison Committees to ISO/TC 193/SC 1

The committees below can access the documents of ISO/TC 193/SC 1:

Reference Title ISO/IEC
ISO/TC 28/SC 5 Measurement of refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels ISO
ISO/TC 158 Analysis of gases ISO


Organizations in liaison (Category A and B)
Acronym Title Category
OIML International Organization of Legal Metrology A

ISO/TC 193/SC 1 - Secretariat

NEN [Netherlands]

Royal Netherlands Standardization Institute
Vlinderweg 6
NL-2623 AX Delft

Tel: +31 15 2 690 390