Globally Harmonized System of Classification and Labelling of Chemicals (GHS) / GHS United Nations. Economic Commission for Europe. Secretariat. United Nations. Hazardous substances Classification. Hazardous substances Health aspects. Hazardous substances Labeling. 540 UNG Issue published in 2005 also called 1st rev. ed. or Rev. 1 (and so on). 2003 Text Collection volumes : http://www.unece.org/trans/danger/publi/dg_publications.html eng Online access available in an electronic version via the World Wide Web on the UNECE website. Address as at 20.07.2011: http://www.unece.org/trans/danger/publi/dg_publications.html Online access available in an electronic version via the World Wide Web on the UNECE website. Address as at 20.07.2011: http://www.unece.org/trans/danger/publi/dg_publications.html