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UN Number
UN 2011
The four-digit number assigned by the United Nations to identify hazardous substances in international transport.
Proper Shipping Name
MAGNESIUM PHOSPHIDE
The official and specific name of a hazardous substance as listed in dangerous goods regulations.
MARPOL
International Convention for the Prevention of Pollution from Ships.
Class
4.3
The designation for hazardous materials based on the type of danger they present.
– Substances which, in contact with water, emit flammable gases
Packing Group
I
A classification based on the degree of danger of a substance (I: great danger, II: medium danger, III: minor danger).
– Substances presenting high danger
Classification Code
WT2
A code that provides more specific information about the properties and hazards of a substance within its class.
– Substances which, in contact with water, emit flammable gases, toxic: Solid
Hazard identification number (Kemler No.)
A two or three-digit number that indicates the level and type of danger posed by a substance.
Tunnel Restriction Code
(E)
A code assigned to dangerous goods that indicates if and how they can be transported through tunnels with specific restrictions.
– Passage forbidden through tunnels of category E
Environmentally hazardous substances
No
A substance that poses a danger to the aquatic environment or causes other environmental damage.
Special Provisions
Specific rules or exceptions that apply to the transport of certain dangerous goods.
Limited Quantities
Dangerous goods packed in small quantities with less stringent transport requirements.
Excepted Quantities
E0
Very small quantities of dangerous goods not subject to certain provisions of the ADR regulations.
– Excepted quantities are not permitted for this substance.
Packing Instructions
P403
A set of provisions specifying the type of packaging, materials, and methods to be used for a particular dangerous good.
Special Packing Provisions
Specific rules or exceptions related to the packaging of certain dangerous goods.
Mixed Packing Provisions
MP2
The specific rules regarding the packing of different dangerous goods or of dangerous goods with non-dangerous goods in the same outer packaging.
Portable Tank and Bulk Container Instructions
A set of provisions specifying the type of portable tank and bulk container for a particular substance.
Portable Tank and Bulk Container Special Provisions
Specific rules or exceptions that apply to the transport of portable tanks and bulk containers.
Tank Code
A code that specifies the type of tank required for a particular dangerous substance.
Vehicle for Tank Carriage
A vehicle specifically designed or adapted for the transport of tanks containing dangerous goods.
Transport Category
1
A category assigned to dangerous goods to determine the maximum total quantity that can be carried.
Special Provisions for Carriage - Packages
Specific rules that apply to the carriage of packaged dangerous goods.
Special Provisions for Carriage - Operation
S20
Specific rules that apply to the operation of a transport unit carrying dangerous goods.
Special Provisions for Carriage - Bulk
Specific rules that apply to the bulk carriage of certain dangerous goods.
Special Provisions for Carriage - Loading, Unloading and Handling
CV23; CV28
Specific rules that apply to the loading, unloading, and handling of dangerous goods.
Orange Plate
2011
A plate with hazard and UN numbers used to mark vehicles carrying dangerous goods.
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