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The ADR plate should be displayed at the rear and both sides, with a plain orange plate at the front. Where one substance only is carried it is permissible to display plates at front and rear only, provided the front plate also carries the HI Number and UN Number.
- THE EMERGENCY ACTION CODE (EAC) In the UK, the Hazchem Emergency Action Codes (EAC) must be used. This system of marking must not be confused or combined with international ADR marking, which uses Hazard Identification Numbers (HIN), also known as the Kemler/Kemmler Code, which all other vehicles must use.
- ADR HI NUMBERS. The ADR Hazard Identification Number HIN, also known as the Kemler Code, is carried on road and rail vehicles with tanks etc carrying bulk loads of dangerous substances.
- PLACARDING AND MARKING OF VEHICLES. Placarding refers to the ‘hazard warning diamonds’ that are required for tankers carrying bulk quantities of hazardous substances and other vehicles carrying class 1 or class 7 goods in packages.
- VEHICLES CARRYING PACKAGES. Vehicles carrying packages of dangerous goods must display the plain orange ADR plates, as described in ADR at 5.3.2.1.1. A plain orange plate must be fixed at the front and back of the transport unit.
A plain orange plate is fixed to the front and rear of the ‘transport unit’ – see image below. Note the extra requirement for vehicles carrying class 1 (explosives) and class 7 (radio-active substances) to display placards (hazard diamonds) on both sides and the rear of the vehicle (ADR 5.3.1.5).
Vehicle markings. Vehicle markings used, including large goods vehicle rear markings, hazard warning plates, projection markers and other markings. Download ‘Vehicle markings’ (PDF, 537KB)
ADR requires the UN Number and Hazard Identification Number (HIN - sometimes known as the "Kemler" code) on the orange plate (as illustrated in 5.3.2.2.3 of ADR) on at least two sides. IMDG...
21 Plates should be displayed at the rear and both sides, with a plain orange plate at the front. Where one substance only is carried it is permissible to display plates at front and rear...
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The class number of each placard is located at the bottom, while the division number is positioned in the middle. This system ensures clear and efficient identification of the type and level of hazard associated with the transported materials.
