Warning signs – Chemical labelling and packaging

GHS Hazard Pictograms

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Firefighting signs

Intrinsic features:
(a) rectangular or square shape;
(b) white pictogram on a red background (the red part to take up at least 50% of
the area of the sign).

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Emergency escape or first-aid signs

Intrinsic features:
(a) Rectangular or square shape;
(b) White pictogram on a green background (the green part to take up at least
50% of the area of the sign).

FIRST AID SIGNS

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Mandatory signs

Intrinsic features:
(a) Round shape;
(b) White pictogram on a blue background (the blue part to take up at least 50%
of the area of the sign).

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Warning signs – General

Harmful or irritant material’ warning sign
(black cross on a yellow triangle warning sign)

Intrinsic features:
(a) Triangular shape;
(b) Black pictogram on a yellow background with black edging (the yellow part to
take up at least 50% of the area of the sign).

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Prohibitory signs - Safety Signs

Intrinsic features:

• Round shape;
• Black Pictogram on white background, red edging and diagonal line (the red part to take up at least 35% of the area of the sign).

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Safety Sign Colours - POSHE

Colour	Meaning or purpose	Instruction and information
Red	Prohibition Sign Danger alarm	Dangerous behaviour; stop; shutdown; emergency cut-out devices; evacuate
Yellow Amber	Warning sign	Be careful; take precautions; examine
Blue	Mandatory sign	Specific behaviour or action, eg wear protective equipment
Green	Emergency escape First-aid sign No danger	Doors; exits; escape routes; equipment and facilities Return to normal

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