Structure of the Dangerous Goods List
The Dangerous Goods List is divided into 18 columns as follows: Column 1 UN No. - this column contains the United Nations Number assigned to a dangerous good by the United Nations Committee of Experts on the Transport of Dangerous Goods (UN List). Column 2 Proper Shipping Name (PSN) - this column contains the Proper Shipping Names in upper-case characters, which may have to be followed by additional descriptive text in lower-case characters (see 3.1.2). Proper Shipping Names may be shown in plural where isomers of similar classification exist. Hydrates may be included under the Proper Shipping Name for the anhydrous substances. Unless otherwise indicated for an entry in the Dangerous Goods List, the word "SOLUTION" in a Proper Shipping Name means one or more named dangerous goods dissolved in a liquid that is not otherwise subject to this Code. When a flashpoint is mentioned in this column, the data is based on closed-cup (c.c) methods. Column 3 Class or division - this column contains the class and, in the case of class 1, the division and the compatibility group assigned to the substance or article according to the classification system described in part 2, chapter 2.1. Column 4 Subsidiary risk(s) - this column contains the class number(s) of any subsidiary risk(s) which have been identified by applying the classification system described in part 2. This column also identifies a dangerous good as a marine pollutant or a severe marine pollutant as follows: P - Marine pollutant PP - Severe marine pollutant • - Marine pollutant only when containing 10% or more substance(s) identified with 'P' or 1% or more substance(s) identified with 'PP' in this column or in the Index Column 5 Packing group - this column contains the packing group number (i.e. I, II or III) where assigned to the substance or article. If more than one packing group is indicated for the entry, the packing group of the substance or formulation to be transported shall be determined, based on its properties, through application of the hazard grouping criteria as provided in part 2. Column 6 Special provisions - this column contains a number referring to any special provision(s) indicated in chapter 3.3 that is relevant to the substance or article. Special provisions apply to all packing groups permitted for a particular substance or article unless the wording makes it otherwise apparent. The special provision numbers specific to the sea mode start from 900. Note: When a special provision is no longer needed, this special provision is deleted but the special provision number is not allocated again, in order not to confuse the users of this Code. For this reason, some of the numbers are missing. Column 7 Limited quantities - this column provides the maximum quantity per inner packaging authorized for transport of the substance or article concerned according to the provisions for limited quantities in chapter 3.4 (for Marine Pollutants, see also 3.4.8). The word "None" in this column means that the substance or article is not permitted to be transported under the provisions of chapter 3.4. Column 8 Packing instructions - this column contains alpha-numeric codes which refer to the relevant packing instruction(s) in 4.1.4. The packing instructions indicate the packagings (including large packagings) which may be used for the transport of substances and articles. A code including the letter "P" refers to packing instructions for the use of packagings described in chapter 6.1, 6.2 or 6.3. A code including the letters "LP" refers to packing instructions for the use of large packagings described in chapter 6.6. When a code including the letter(s) "P" or "LP" is not provided, it means that the substance is not allowed in that type of packaging. Column 9 Special packing provisions - this column contains alpha-numeric codes which refer to the relevant special packing provisions specified in 4.1.4. The special packing provisions indicate the packagings (including large packagings). A special packing provision including the letters "PP" refers to a special packing provision applicable to the use of a packing instruction bearing the Code "P" in 4.1.4.1. A special packing provision including the letter "L" refers to a special packing provision applicable to a packing instruction bearing the code "LP" in 4.1.4.3. Column 10 IBC packing instructions - this column contains alpha-numeric codes that refer to the relevant IBC instruction, which indicates the type of IBC that shall be used for the transport of the substance under reference. A code including the letters "IBC" refers to packing instructions for the use of IBCs described in chapter 6.5. When a code is not provided, it means the substance is not authorized in IBC. Column 11 IBC special provisions - this column contains an alpha-numeric code, including the letter "B", which refers to special packing provisions applicable to the use of packing instructions bearing the code "IBC" in 4.1.4.2. Column 12 IMO Tank instructions - this column only applies to IMO portable tanks and road tank vehicles constructed in accordance with the requirements of Amendment 29 of the Code consistent with the transitional provision in 4.2.0. The provisions of this column may be used instead of the provisions of column 13 until 2010. This column contains T codes (see 4.2.5.2.6) and in some instances TP notes (see 4.2.5.3). When no T code is provided in this column, the T code provided in column 13 shall apply. Column 13 UN tank and Bulk container instructions - this column contains T codes (see 4.2.5.2.6) applicable to the transport of dangerous goods in portable tanks and road tank vehicles. When a T code is not provided in this column, it means that the dangerous goods are not authorized for transport in tanks unless specifically approved by the competent authority. Bulk container code - The code "BK2" refers to closed bulk containers used for the transport of bulk goods described in chapter 6.9. When a bulk container code is not provided, it means that the substance is not permitted in a bulk container. Transport in sheeted bulk containers is not permitted in this Code. Column 14 Tank special provisions - this column contains TP notes (see 4.2.5.3) applicable to the transport of dangerous goods in portable tanks and road tank vehicles. The TP notes specified in this column apply to the portable tanks specified in both columns 12 and 13. Column 15 EmS - this column refers to the relevant emergency schedules for FIRE and SPILLAGE in the "The EmS Guide - Emergency Response Procedures for Ships Carrying Dangerous Goods". The first EmS code refers to the relevant Fire Schedule (e.g. Fire Schedule Alfa "F-A" General Fire Schedule). The second EmS code refers to the relevant Spillage Schedule (e.g. Spillage Schedule Alfa "S-A" Toxic Substances). Underlined EmS codes (special cases) indicate a substance, material or article for which additional advice is given in the emergency response procedures. For dangerous goods offered for transport under N.O.S. entries or other generic entries, the most relevant emergency response procedures may vary with the properties of the hazardous constituents. As a consequence, shippers may have to declare different EmS codes from those indicated, if, to their knowledge, such codes are more appropriate. The provisions in this column are not mandatory. Column 16 Stowage and segregation - this column contains the stowage and segregation provisions as prescribed in part 7. Column 17 Properties and Observations - this column contains properties of and observations on the dangerous goods listed. The provisions in this column are not mandatory. Properties of most gases include an indication of its density in relation to air. The figures in brackets give the density relative to air. .1 "lighter than air" when the vapour density is down to half that of air; .2 "much lighter than air" when the vapour density is less than half that of air; .3 "heavier than air" when the vapour density is up to twice that of air; and .4 "much heavier than air" when the vapour density is more than twice that of air. When explosive limits are given, these refer to the volume percentage of the vapour of the substance when mixed with air. The ease and extent to which different liquids mix with water varies greatly and most entries have included an indication of miscibility. In these cases "miscible with water" normally means capable of being mixed with water in all proportions to form a completely homogeneous liquid. Column 18 UN No. see column 1. 3.2.2 Abbreviations and symbols The following abbreviations and symbols are used in the Dangerous Goods List and have the meanings shown:
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