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International Maritime DangerousGoods (IMDG) Code, 2018 EditionAmendment 39-18CorrigendaDecember 2019This corrigenda makes editorial corrections to the English version of the IMDG Code (Amendment 39-18, as adoptedby resolution MSC.442(99)).Volume 1PreambleIn paragraph 14, replace “(MSC.1/Circ.1025 as amended by MSC.1/Circ.1025/Add.1, MSC.1/Circ.1262, MSC.1/Circ.1360,MSC.1/Circ.1438, MSC.1/Circ.1476, MSC.1/Circ.1522 and MSC.1/Circ.1588” with “(MSC.1/Circ.1588)”.PART 2 – CLASSIFICATIONChapter 2.2 Class 2 – Gases2.2.1 Definitions and general provisions2.2.1.2.3At the end of paragraph 2.2.1.2.3, delete “or”.Chapter 2.4 Class 4 – Flammable solids; substances liable tospontaneous combustion; substances which, in contact with water,emit flammable gases2.4.2 Class 4.1 – Flammable solids, self-reactive substances,solid desensitized explosives and polymerizing substances2.4.2.3Class 4.1 Self-reactive substances2.4.2.3.1Definitions and properties2.4.2.3.1.2.5   Replace “aromatic sulphohydrazides” with “aromatic sulphonylhydrazides”.Chapter 2.5 Class 5 – Oxidizing substances and organic peroxides2.5.3Class 5.2 – Organic peroxides2.5.3.2Classification of organic peroxides2.5.3.2.4List of currently assigned organic peroxides in packagings the UN 3109 entry, for “1-PHENYLETHYL HYDROPEROXIDE”, move “ 62” from column “DiluentIntype A (%)” to column “Diluent type B (%)”.Copyright International Maritime Organization 2019 (Sales number IL200E)

Chapter 2.8 Class 8 – Corrosive substances2.8.3Packing group assignment for substances and mixtures2.8.3.2 Replace “In the absence of human experience the grouping shall be based” with “In the absence of humanexperience, the assignment shall be based”.2.8.4 Alternative packing group assignment methods for mixtures:step-wise approach2.8.4.3Calculation method based on the classification of the substances2.8.4.3.3After the existing text, add the following: “For this calculation method, generic concentration limits apply where 1% is used in the first step for theassessment of the packing group I substances, and where 5% is used for the other steps respectively.”2.8.4.3.4Delete the last sentence.Chapter 2.9 Miscellaneous dangerous substances and articles (class 9)and environmentally hazardous substances2.9.2Assignment to class 92.9.2.2 Under Lithium batteries, at the end of the UN entry “3536 LITHIUM BATTERIES INSTALLED IN CARGOTRANSPORT UNIT”, insert “lithium ion batteries or lithium metal batteries”.2.9.4Lithium batteries ove the note from the end to the end of sub-paragraph .5 and apply indent to denote that the noteMbelongs to sub-paragraph .5.PART 4 – PACKING AND TANK PROVISIONSChapter 4.1 Use of packagings, including intermediate bulkcontainers (IBCs) and large packagings4.1.1 General provisions for the packing of dangerous goods in packagings,including IBCs and large packagings4.1.1.2At the end of sub-paragraph .1, delete “and”.4.1.4List of packing instructions4.1.4.1Packing instructions concerning the use of packagings (except IBCs and large packagings)P200 In Table 2: LIQUEFIED GASES AND DISSOLVED GASES, with regard to the UN 1082 entry, in thecolumn Proper shipping name, after the word “STABILIZED”, add “(REFRIGERANT GAS R 1113)”.P206Amend paragraph (3) as follows:In the first paragraph, replace “liquefied gas” with “liquid”.In sub-paragraph (a), replace “liquefied gas” with “liquid”.In sub-paragraph (d), replace “liquefied gas” with “liquid”.In sub-paragraph (e), replace “liquefied gas” with “liquid”.P407Under Outer packagings, in the second line, replace “4H1,4 H2” with “4H1, 4H2”.P504Under Combination packagings, in sub-paragraph (4), add “1B1” before “1B2”.P621 In paragraph (2), indent the sentence “Composite packagings (6HA1, 6HB1, 6HG1, 6HH1, 6HD1, 6HA2,6HB2, 6HC, 6HD2, 6HG2, 6HH2, 6PA1, 6PB1, 6PG1, 6PD1, 6PH1, 6PH2, 6PA2, 6PB2, 6PC, 6PG2 or 6PD2).”2 IMDG Code 2018 Edition (Amendment 39-18) – Corrigenda – December 2019

P907In the second paragraph, second sentence, replace “filling density” with “filling ratio”.P909 Under Additional requirements, paragraph 2, fourth indent, replace “the use of a non-conductive andnon-combustible” with “the use of an electrically non-conductive and a non-combustible” and paragraph 3,replace “non-conductive” with “an electrically non-conductive”.P910 Under Additional requirements, fourth indent, replace “the use of a non-conductive and non-combustible”with “the use of an electrically non-conductive and a non-combustible”.4.1.4.2Packing instructions concerning the use of IBCsIBC08 Under Special packing provisions, in B21, replace “For substances, UN Nos. 1374, 2590 and 3535 inIBCs other than metal or rigid plastics IBCs,” with “For solid substances in IBCs other than metal or rigidplastics IBCs,”.IBC520In the UN 3109 entry, in the column for Organic peroxide, amend the entries as follows: In the entry for “tert-Butyl peroxyacetate, not more than 32% in diluent type A”, add “31A” in “Type of IBC”column and add “1250” in “Maximum quantity (litres)” column. In the entry for ane not more than 27% in diluent type A”, add“,” after “-triperoxonane”.In the UN 3119 entry, replace the sequence of the first two entries as follows:UNNo.Organic perature 15 CEmergencytemperature 20 C31A1250 10 C 15 CType ofIBC3119 tert-Amyl peroxy-2-ethylhexanoate, not more than 62% indiluent type Atert-Amyl peroxypivalate, not more than 32% in diluent type A4.1.4.3Packing instructions concerning the use of large packagingsLP903In the second sentence, delete the words “cells or”.LP905In the introductive sentence, replace “cells and batteries” with “cells or batteries” (twice).In paragraph (2), after the word “equipment”, add the words “containing cells or batteries”.LP906In the second sentence, after the first paragraph, delete the words “cells or”.Chapter 4.2 Use of portable tanks and multiple-elementgas containers (MEGCs)4.2.5Portable tank instructions and special provisions4.2.5.3Portable tank special provisionsTP10In the second sentence, replace “beyond the date of expiry of the last testing” with “beyond that date”.4.2.6 Additional provisions for the use of road tank vehicles and road gaselements vehicles4.2.6.2In the second sentence, replace “and 8” with “, 8 and 9”.PART 5 – CONSIGNMENT PROCEDURESChapter 5.1 General provisions5.1.1Application and general provisions5.1.1.6Move the Note to the end of 5.1.1.2.IMDG Code 2018 Edition (Amendment 39-18) – Corrigenda – December 2019 3

5.1.5General provisions for class 75.1.5.1Approval of shipments and notification5.1.5.1.2Shipment approvalsIn paragraph .4, replace “7.1.4.5.7” with “7.1.4.5.8,”.5.1.5.3Determination of transport index (TI) and criticality safety index (CSI)5.1.5.3.4 In Table 5.1.5.3.4 – Categories of packages, overpacks and freight containers, in footnote “b”, replace“(see table 7.1.4.5.3)” with “(see table in 7.1.4.5.3.1)”.Chapter 5.2 Marking and labelling of packages including IBCs5.2.2Labelling of packages including IBCs5.2.2.1Labelling provisions5.2.2.1.12 Special provisions for the labelling of radioactive material5.2.2.1.12.1 Delete the third sentence “Each overpack the outside of the overpack.”.5.2.2.2Provisions for labels5.2.2.2.2Specimen labelsClass 2: GasesLabel model no. 2.1In second column, delete “(except as provided for in 5.2.2.2.1.6.4)”;in third column, under “Flame: black or white”, add “(except as provided for in 5.2.2.2.1.6.4)”; andin fifth column, under “(black or white)”, add “(except as provided for in 5.2.2.2.1.6.4)”. Class 4: Flammable solids; substances liable to spontaneous combustion; substances which, incontact with water, emit flammable gasesLabel model no. 4.1 second column, replace “Flammable solids, self-reactive substances, solid desensitized explosives andInpolymerizing substances” with “Flammable solids, self-reactive substances, polymerizing substances andsolid desensitized explosives”.Class 7: Radioactive materialLabel model no. 7AIn second column, replace “Category I” with “Category I – WHITE”.Label model no. 7BIn second column, replace “Category II” with “Category II – YELLOW”.Label model no. 7CIn second column, replace “Category III” with “Category III – YELLOW”.Chapter 5.4 Documentation5.4.1Dangerous goods transport information5.4.1.5Information required in addition to the dangerous goods description5.4.1.5.11 Special provisions for segregation5.4.1.5.11.1 Replace the text in paragraph to read as follows: “Forsubstances, mixtures, solutions or preparations classified under N.O.S. entries not included in thesegregation groups listed in 3.1.4.4 but belonging, in the opinion of the consignor, to one of these groups(see 3.1.4.2), the appropriate segregation group name or segregation group code (SGG) listed in 7.2.5.24 IMDG Code 2018 Edition (Amendment 39-18) – Corrigenda – December 2019

preceded by the phrase “IMDG Code segregation group” shall be included in the transport document afterthe dangerous goods description.For example:–UN 1760 CORROSIVE LIQUID, N.O.S. (phosphoric acid, acetic acid) 8 III IMDG Code segregationgroup 1 – Acids; or–UN 1760 CORROSIVE LIQUID, N.O.S. (phosphoric acid, acetic acid) 8 III IMDG Code segregationgroup SGG1.”.5.4.1.5.11.3 Replace “7.2.6.4” with “7.2.6.5” (twice).5.4.5Multimodal Dangerous Goods Form5.4.5.1In the third sentence, replace “container packing certificate” with “container/vehicle packing certificate”.PART 6 – CONSTRUCTION AND TESTING OF PACKAGINGS,INTERMEDIATE BULK CONTAINERS (IBCs), LARGE PACKAGINGS,PORTABLE TANKS, MULTIPLE-ELEMENT GAS CONTAINERS (MEGCs)AND ROAD TANK VEHICLESChapter 6.2 Provisions for the construction and testing of pressure receptacles,aerosol dispensers, small receptacles containing gas (gas cartridges)and fuel cell cartridges containing liquefied flammable gas6.2.2Provisions for UN pressure receptacles6.2.2.1Design, construction and initial inspection and test6.2.2.1.8For reference “ISO 18172-1:2007”, in column Applicable for manufacture, add “Until further notice”.6.2.2.4Periodic inspection and test6.2.2.4 In the tables of standards, move reference “ISO 16111:2008” from the first table to the second table andmove reference “ISO 10460:2005” to the first table as second row.6.2.2.7Marking of refillable UN pressure receptacles6.2.2.7.2In sub-paragraph (c), after “as”, insert “indicated by”.6.2.2.7.4In sub-paragraph (n), after “the country of manufacture as”, insert “indicated by”.6.2.2.7.7In sub-paragraph (a), after “as”, insert “indicated by”.6.2.2.9Marking of UN metal hydride storage systems6.2.2.9.2 In sub-paragraph (c), after “as”, insert “indicated by” and in sub-paragraph (h), after “country of manufactureas”, insert “indicated by”.6.2.2.9.4In sub-paragraph (a), in the first sentence, after “as”, insert “indicated by”.Chapter 6.7 Provisions for the design, construction, inspection and testingof portable tanks and multiple-element gas containers (MEGCs)6.7.2 Provisions for the design, construction, inspection and testingof portable tanks intended for the transport of substancesof class 1 and classes 3 to 96.7.2.3Design criteria6.7.2.3.2In the second sentence, replace “4.2.5” with “4.2.5.2.6”.IMDG Code 2018 Edition (Amendment 39-18) – Corrigenda – December 2019 5