prEN 16723

This document specifies for
-  renewable and low-carbon methane rich gases for injection in the gas network
-  natural gas, renewable and low-carbon methane rich gases and mixtures thereof as fuel for engines
This documents also specifies necessary related methods for sampling, analysis, and testing.
This document applies to the previously mentioned gases irrespective of the storage state (compressed or liquefied). To check compliance with some requirements set by the standard, LNG or liquefied biomethane should be re-gasified prior to testing.