This International Standard definesThe characteristics and use of a standard atmosphere for conditioning, for determiningThe physical and mechanical properties of textiles and a standard alternative atmosphere that may be used if agreed between parties.
EN ISO 139:2005 history
2011EN ISO 139:2005/A1:2011 Textiles - Standard atmospheres for conditioning and testing - Amendment 1 (ISO 139:2005/AMD 1:2011)
2005EN ISO 139:2005 Textiles - Standard atmospheres for conditioning and testing (ISO 139:2005)