Published
ISO 10773:2011 specifies a method for measuring gas flow through a clay geosynthetic barrier. 
As clay geosynthetic barriers are used to contain gases in long-term applications, this test especially focuses on the steady state of the phenomenon.
                    PUBLISHED
                    SRPS EN ISO 10773:2013
                    60.60
                                        Standard published
                    Feb 28, 2013