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Definitions
Classified Goods & Substances
Every classified substance is allocated to one of nine classes depending on the Primary hazard of the substance.
Each class has a specific warning diamond applicable to the class
Consignee
The person who accepts dangerous goods in excess of the exempt quantity that have been transported by road
Consignor
A person who offers dangerous goods in excess of the exempt quantity for transport in a vehicle, and includes the manufacturer or an agent duly appointed as such.
Dangerous Goods Placard
Placards to be displayed on the sides and rear of the cargo containment area of any vehicle transporting dangerous goods in excess of the exempt quantity.
Designated Space
An orange container mounted in the cab of a dangerous goods vehicle, which will be used to store the documents of the load being transported. (Regulation 281, SANS 10232 – Part 1).
Emergency response guide (ERG)
An indication of potential hazards and appropriate emergency responses associated with a classified substance applicable in the case of an incident.
Exempt Quantity
Quantity of dangerous goods which, if not exceeded in the total load, is exempt from the requirements in the legislation for the transport of dangerous goods. Those quantities that are exempt are stipulated in code of practice SANS 10232-1 “Transportation of dangerous goods – Emergency information systems” - Table C.1. Exempt quantities are based on the hazard and risk of the goods or substances transported and differs from substance to substance.
Incident
Unplanned event during the transport or storage of dangerous goods which includes incidents such as leakage, spillage, fire or other unplanned events.
Multi-Load/Mixed Load
Dangerous goods of more than one hazard class carried together, or a load that contains goods of the same hazard class but with different ERG's.
Multi-Load/Mixed Load warning diamond
A hazard class diamond with the word “DANGEROUS” displayed across the centre of the diamond, identifying that the load contains goods of more than one hazard class or of the same hazard class but with different ERG’s.
Operator
The person responsible for the use of a motor vehicle and who is registered as the operator of the vehicle.
Operator Advice Number
The 24 HR telephone number where the operator/transporters can be contacted.
Operator Registration
The process undertaken to register a vehicle as a dangerous goods operator.
Professional Driving Permit
A document required in terms of the NRTA to be obtained by a driver to authorise the driver to drive a motor vehicle in respect of which an operator is registered on a public road.
Qualified person
A person trained to perform any specific task, nominated by the operator, consignor or consignee. under Regulation 277
Road Tanker (Bulk)
A freight carrier chassis fitted with a fixed, permanently mounted tank or with a body adapted to carry a demountable tank or tank container.
Route Instruction
A planned and formulated route to be followed during conveyance of dangerous goods.
Specialist Advice Number
The telephone number where specific technical advice and specialist advice regarding the hazards and dangers of dangerous goods that is transported or stored can be obtained.
United Nations Number/UN Number
The unique four digit number allocated to an item of dangerous goods in accordance with the United Nations recommendations on the transportation of dangerous goods, every classified substance is identified by a four-digit number allocated by the United Nations. (Also called S.I.N number)
Abbreviations
DGD: Dangerous Goods Declaration
ERG: Emergency Response Guide
GVM: gross vehicle mass
IBC: Intermediate Bulk Container
MSDS: Material Safety Data Sheet
NRTA: National Road Traffic Act
PrDP-D: Professional Driving Permit Dangerous Goods
SANS: South African National Standards
SIN: Substance Identification Number
TREC: Transport Emergency Card in accordance with SANS 10232-4
TREMCARD: Transport Emergency Card, generated from the European Council of Chemical Manufactures’ Federation (CEFIC) system
UN No: United Nations Number
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Terms used on a Tremcard
Absorb: to soak in
Accelerate: to make something move faster or happen quicker.
Ambient Temperature: surrounding temperature.
Colourless: without colour.
Combustible: Capable of burning – flammable.
Contain: Keeping secure without leakage, as in a tanker or pack. Prevent from spreading, in the case of spillage having occurred.
Contaminate: Pollute-infect.
Corrosive: Destroys or eats into road surfaces, many metals, clothing or skin.
Contact: Condition or state of touching.
Dilute: To add water (or other solvent) to reduce the strength of the solution.
Discolouration: Change of colour.
Disperse: Send in different directions.
Dispose: Get rid of.
Dyke: To contain.
Eliminate: Remove or get rid of.
Evacuate: Remove all people from the area.
Evaporate: To change from liquid to vapour, e.g. Boling water.
Expose: Leave uncovered or unprotected.
Extinguish: Cause flame to die out.
Flammable: Burns easily.
Flashback: Vapour ignites at a distance from source.
Flash point: The temperature at which sufficient vapour is being given off to form a flammable gas mixture above the liquid.
Flush: Cleanse with water.
Generate: Produce or bring into existence.
Ignite: Set fire/to catch fire.
Ignition: Mechanism to start combustion.
Inert: Non reactive. Does not react with other dangerous goods and substances. It could be dangerous by itself e.g. replacing oxygen in the air
Inhalation: To breathe in.
Invisible: Cannot be seen.
Isolate: Place apart.
Non Flammable: Does not burn.
Odourless: Does not smell.
Perceptible odour: Noticeable smell.
Poisonous: A substance that when introduced or absorbed can cause injury or death.
Pollution: environmental destruction.
Pressure: Exertion of continuous force atmospheric pressure.
Prevent: Stop from happening.
Purge: To clean or purify a tank or drum.
Rinse: Wash out with clean water.
Scatter: See disperse.
Suffocate: Stop breathing – to choke.
Surge: The movement of liquid in a tank, this can be forward or back ward which will push or pull the truck.
Upwind: Vapours or smoke blowing away from you.
Vapour: Gases coming from a substance.
Volatile: A liquid that can easily and rapidly change from a liquid to a vapour.
