User Guide to Thresholds and Classification - Environmental ...

49User Guide for Thresholds and Classificationsare generally listed in the UN Dangerous Goods List with an indication of the highest concentration that stillexcludes them from class 1. In some cases, the concentration below which it is no longer considered to beeven a desensitised explosive and so subject to the UN Model Regulations is also listed.The only entries for liquid desensitised explosives in the Dangerous Goods List in chapter 3.2 of the UNModel Regulations are listed in Table 5.1.Table 5.1: Entries for liquid desensitised explosives in the Dangerous Goods List in the United Nations (UN) ModelRegulationsUN Number Name and description UN Packing Group12042059306433433357Nitroglycerin solution in alcohol (with not more than 1%nitroglycerin)Nitrocellulose solution, flammable (with not more than 12.6%nitrogen, by dry mass, and not more than 55% nitrocellulose)Nitroglycerin solution in alcohol (with more than 1% but not morethan 5% nitroglycerin)Nitroglycerin mixture, desensitised, liquid, flammable, nototherwise specified (with not more than 30% nitroglycerin, bymass)Nitroglycerin mixture, desensitised, liquid, not otherwisespecified (with not more than 30% nitroglycerin, by mass)III, II, IIIIIIISource: United Nations (1999b, chapter 3.2).ReferencesGmehling J, Rasmussen, P 1982. Flash points of flammable liquid mixtures using UNIFAC. Industrial andEngineering Chemistry Fundamentals 21, 186–188.United Nations 1999a. Recommendations on the Transport of Dangerous Goods Manual of Tests andCriteria, 3rd revised edition. United Nations, New York and Geneva. (Note: Equivalent material can be foundin more recent versions of this document, for example, the 4th revised edition. Some material is available forpurchasing and downloading from http://www.unece.org/trans/danger/danger.htm.)United Nations 1999b. Recommendations on the Transport of Dangerous Goods Model Regulations, 11threvised edition. United Nations, New York and Geneva. (Note: Equivalent material can be found in morerecent versions of this document, for example, the 15th revised edition. Some material is available forpurchasing and downloading from http://www.unece.org/trans/danger/danger.htm.)United Nations 2007. Globally Harmonized System of Classification and Labelling of Chemicals (GHS), 2ndrevised edition. United Nations, Geneva.January 2012 EPA0109