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5 IMPORTANT STEPS FOR SHIPPING DANGEROUS
GOODS BY SEA
Classify Pack Dangerous Mark, label or Load/ Unload
Dangerous Goods Goods placard Cargo Transport
Dangerous Goods Unit
Shashi Kallada Prepare Transport
Consulting &Training Document
- Dangerous Goods by
Rail, Road, River & Sea Chemicals (GHS).
1. Classify dangerous Goods A mistake made in classification may change the
packing group or proper shipping name or even a
First step is to classify the goods under the criteria wrong class which can cause wrong stowage on
of IMDG Code. Chapter 2.0 of IMDG Code lays board ships and wrong application of emergency
down general provisions of classification, chapters response thus endangering lives at sea.
2.1 to 2.9 are specific criteria for classification of
goods under Class 1 to Class 9 and chapter 10 for Personnel involved in classifying dangerous
marine pollutants. goods and assigning proper shipping name shall
be trained in:
Classification includes assignment of UN Number,
Proper Shipping name and Packing Group. Most – the structure of the description of substances
commonly transported substances and solutions
are already assigned to specific UN Number – the classes of dangerous goods and the
and packing group which can be found in the principles of their classification
Alphabetical index.
– the nature of the dangerous substances and
For the selection of appropriate packaging articles transported (their physical, chemical
dangerous goods substances are divided into and toxicological properties)
packing groups
– the procedure for classifying solutions and
Packing Group I: high danger mixtures
Packing Group II: medium danger – identification by proper shipping name
Packing Group III: low danger – use of Dangerous Goods List
Classes 1, 2, 5.2, 6.2, 7 and self-reactive substances 2. Pack dangerous goods
of class 4.1 and articles are not assigned to packing
groups. Options of packagings are listed through Packing,
IBC and Tank instructions. These instructions
UN Manual of Tests and Criteria, 6th edition sets provide a wide range in size and types of
out the test procedures for determining whether packagings from smallest to largest, IBCs and
the goods are dangerous, packing groups and tanks. Depending on the packing group maximum
compatibility groups for explosives. Further these quantity permitted in specific packages or type of
criteria meet the classification and assignment of IBCs may differ. Certain goods when packed in
packing group as set out in Globally Harmonized plastics packages will differ in stowage category
System of Classification and Labelling of
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