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ISO 13686:2013
Natural gas - Quality designation
ISO 13686:2013 specifies the parameters required to describe finally processed and, where required, blended natural gas.
The main text of ISO 13686:2013 contains a list of these parameters, their units and references to measurement standards. Informative annexes give examples of typical values for these parameters, with the main emphasis on health and safety.
International Organization for Standardization [iso]